🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.47 AU - 0.73 AU

Year: 300 Days

Day: 23.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.51 AU - 0.77 AU

Year: 331 Days

Day: 16.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.6

Radius: 14.2

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.61 AU - 0.89 AU

Year: 419 Days

Day: 6.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,215,267 km

• M1: 184,005 km (0.091 R)
• M2: 277,803 km (0.062 R)
• M3: 387,010 km (0.047 R)
• M4: 527,781 km (0.068 R)
• M5: 631,153 km (0.116 R)
• M6: 733,778 km (0.117 R)
• M7: 941,270 km (0.091 R)
• M8: 1,047,634 km (0.089 R)
• M9: 1,203,964 km (0.106 R)
• M10: 1,336,657 km (0.04 R)
• M11: 1,437,636 km (0.051 R)
• M12: 1,528,741 km (0.115 R)
• M13: 1,647,821 km (0.11 R)
• M14: 1,765,704 km (0.067 R)
• M15: 1,882,091 km (0.117 R)
• M16: 1,982,621 km (0.059 R)
• M17: 2,122,794 km (0.114 R)
• M18: 2,334,774 km (0.109 R)
• M19: 2,493,348 km (0.087 R)
• M20: 2,594,326 km (0.113 R)
• M21: 2,774,592 km (0.058 R)
• M22: 2,900,553 km (0.025 R)
• M23: 2,996,445 km (0.106 R)
• M24: 3,185,836 km (0.101 R)
• M25: 3,279,335 km (0.074 R)
• M26: 3,384,951 km (0.067 R)
• M27: 3,520,038 km (0.101 R)
• M28: 3,674,124 km (0.105 R)
• M29: 3,900,914 km (0.091 R)
• M30: 4,013,112 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.2

Radius: 10.9

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.86 AU - 0.88 AU

Year: 524 Days

Day: 11 Hours

Environment

Temp: -151 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 62,215,267 km

• M1: 141,071 km (0.107 R)
• M2: 237,113 km (0.083 R)
• M3: 327,470 km (0.081 R)
• M4: 395,537 km (0.072 R)
• M5: 489,933 km (0.116 R)
• M6: 564,882 km (0.067 R)
• M7: 659,577 km (0.045 R)
• M8: 728,691 km (0.097 R)
• M9: 812,915 km (0.086 R)
• M10: 883,675 km (0.063 R)
• M11: 956,828 km (0.067 R)
• M12: 1,059,452 km (0.119 R)
• M13: 1,128,417 km (0.07 R)
• M14: 1,295,667 km (0.114 R)
• M15: 1,466,209 km (0.063 R)
• M16: 1,564,943 km (0.049 R)
• M17: 1,807,741 km (0.114 R)
• M18: 1,902,735 km (0.101 R)
• M19: 2,022,563 km (0.09 R)
• M20: 2,239,779 km (0.116 R)
• M21: 2,440,091 km (0.086 R)
• M22: 2,514,441 km (0.069 R)
• M23: 2,697,250 km (0.085 R)
• M24: 2,858,516 km (0.112 R)
• M25: 2,930,473 km (0.103 R)
• M26: 3,265,422 km (0.113 R)
• M27: 3,430,578 km (0.117 R)
• M28: 3,563,421 km (0.065 R)
• M29: 3,798,140 km (0.067 R)
• M30: 3,928,290 km (0.1 R)
• M31: 4,001,294 km (0.115 R)
• M32: 4,096,887 km (0.112 R)
• M33: 4,200,708 km (0.098 R)
• M34: 4,275,358 km (0.1 R)
• M35: 4,448,741 km (0.108 R)
• M36: 4,563,184 km (0.117 R)
• M37: 4,640,077 km (0.086 R)
• M38: 5,030,677 km (0.104 R)
• M39: 5,262,105 km (0.107 R)
• M40: 5,407,664 km (0.094 R)
• M41: 5,505,351 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.8

Radius: 10.6

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.76 AU - 1.26 AU

Year: 655 Days

Day: 9.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 62,215,267 km

• M1: 137,929 km (0.109 R)
• M2: 207,941 km (0.063 R)
• M3: 314,305 km (0.049 R)
• M4: 403,017 km (0.097 R)
• M5: 590,463 km (0.116 R)
• M6: 842,984 km (0.026 R)
• M7: 1,118,693 km (0.034 R)
• M8: 1,192,295 km (0.089 R)
• M9: 1,261,559 km (0.114 R)
• M10: 1,484,609 km (0.081 R)
• M11: 1,760,019 km (0.112 R)
• M12: 1,893,759 km (0.041 R)
• M13: 1,982,621 km (0.039 R)
• M14: 2,051,884 km (0.073 R)
• M15: 2,228,859 km (0.11 R)
• M16: 2,366,788 km (0.095 R)
• M17: 2,500,080 km (0.102 R)
• M18: 2,658,953 km (0.106 R)
• M19: 2,821,117 km (0.076 R)
• M20: 3,114,927 km (0.073 R)
• M21: 3,236,849 km (0.117 R)
• M22: 3,393,777 km (0.059 R)
• M23: 3,477,253 km (0.118 R)
• M24: 3,603,962 km (0.03 R)
• M25: 3,672,179 km (0.113 R)
• M26: 3,844,516 km (0.118 R)
• M27: 4,046,174 km (0.075 R)
• M28: 4,233,321 km (0.093 R)
• M29: 4,414,184 km (0.084 R)
• M30: 4,662,517 km (0.119 R)
• M31: 4,840,090 km (0.09 R)
• M32: 5,010,332 km (0.035 R)
• M33: 5,279,309 km (0.074 R)
• M34: 5,376,398 km (0.1 R)
• M35: 5,474,235 km (0.102 R)
• M36: 5,543,050 km (0.07 R)
• M37: 5,721,221 km (0.052 R)
• M38: 5,811,129 km (0.113 R)
• M39: 5,891,463 km (0.093 R)
• M40: 6,154,905 km (0.12 R)
• M41: 6,329,187 km (0.082 R)
• M42: 6,463,675 km (0.077 R)
• M43: 6,620,005 km (0.084 R)
• M44: 6,693,458 km (0.11 R)
• M45: 7,312,045 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.2

Radius: 9.5

Gravity: 9.43 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.08 AU - 1.38 AU

Year: 881 Days

Day: 7.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 62,215,267 km

• M1: 167,998 km (0.081 R)
• M2: 227,538 km (0.077 R)
• M3: 312,959 km (0.075 R)
• M4: 480,957 km (0.082 R)
• M5: 579,841 km (0.096 R)
• M6: 680,670 km (0.1 R)
• M7: 806,333 km (0.1 R)
• M8: 888,163 km (0.033 R)
• M9: 953,238 km (0.116 R)
• M10: 1,033,572 km (0.096 R)
• M11: 1,208,751 km (0.112 R)
• M12: 1,636,152 km (0.113 R)
• M13: 1,833,322 km (0.081 R)
• M14: 2,029,594 km (0.093 R)
• M15: 2,099,606 km (0.102 R)
• M16: 2,179,192 km (0.071 R)
• M17: 2,250,850 km (0.091 R)
• M18: 2,314,279 km (0.1 R)
• M19: 2,378,307 km (0.059 R)
• M20: 2,545,707 km (0.069 R)
• M21: 2,630,828 km (0.102 R)
• M22: 2,843,108 km (0.113 R)
• M23: 2,991,209 km (0.106 R)
• M24: 3,202,591 km (0.045 R)
• M25: 3,274,249 km (0.07 R)
• M26: 3,534,399 km (0.052 R)
• M27: 3,640,464 km (0.073 R)
• M28: 3,768,969 km (0.096 R)
• M29: 3,833,894 km (0.102 R)
• M30: 3,953,872 km (0.098 R)
• M31: 4,208,637 km (0.096 R)
• M32: 4,480,307 km (0.118 R)
• M33: 4,606,717 km (0.076 R)
• M34: 4,687,799 km (0.054 R)
• M35: 4,769,330 km (0.086 R)
• M36: 5,196,282 km (0.096 R)
• M37: 5,305,040 km (0.096 R)
• M38: 5,487,848 km (0.104 R)
• M39: 5,648,068 km (0.065 R)
• M40: 6,112,419 km (0.086 R)
• M41: 6,188,864 km (0.036 R)
• M42: 6,291,338 km (0.1 R)
• M43: 6,368,531 km (0.119 R)
• M44: 6,484,918 km (0.074 R)
• M45: 6,602,053 km (0.077 R)
• M46: 6,733,101 km (0.069 R)
• M47: 7,024,218 km (0.116 R)
• M48: 7,455,210 km (0.085 R)
• M49: 7,537,040 km (0.055 R)
• M50: 7,660,309 km (0.073 R)
• M51: 7,922,703 km (0.104 R)
• M52: 8,117,928 km (0.113 R)
• M53: 8,272,313 km (0.104 R)
• M54: 8,357,135 km (0.051 R)
• M55: 8,427,895 km (0.109 R)
• M56: 8,555,801 km (0.117 R)
• M57: 8,698,817 km (0.111 R)
• M58: 8,828,070 km (0.11 R)
• M59: 8,914,687 km (0.106 R)
• M60: 9,015,964 km (0.101 R)
• M61: 9,234,527 km (0.101 R)
• M62: 9,351,812 km (0.05 R)
• M63: 9,528,487 km (0.112 R)
• M64: 9,945,416 km (0.084 R)
• M65: 10,080,653 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.5

Radius: 14.7

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.42 AU - 1.62 AU

Year: 1210 Days

Day: 14.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 62,215,267 km

• M1: 183,108 km (0.06 R)
• M2: 297,401 km (0.102 R)
• M3: 389,254 km (0.036 R)
• M4: 908,508 km (0.084 R)
• M5: 1,040,603 km (0.116 R)
• M6: 1,159,683 km (0.031 R)
• M7: 1,354,609 km (0.116 R)
• M8: 1,486,105 km (0.098 R)
• M9: 1,583,942 km (0.099 R)
• M10: 1,684,023 km (0.113 R)
• M11: 1,899,295 km (0.112 R)
• M12: 2,047,995 km (0.119 R)
• M13: 2,149,422 km (0.063 R)
• M14: 2,384,141 km (0.09 R)
• M15: 2,482,128 km (0.059 R)
• M16: 2,627,387 km (0.041 R)
• M17: 2,766,214 km (0.113 R)
• M18: 2,860,162 km (0.048 R)
• M19: 2,964,731 km (0.109 R)
• M20: 3,660,959 km (0.056 R)
• M21: 3,879,671 km (0.116 R)
• M22: 4,102,871 km (0.093 R)
• M23: 4,210,582 km (0.034 R)
• M24: 4,462,205 km (0.044 R)
• M25: 4,946,005 km (0.108 R)
• M26: 5,083,934 km (0.11 R)
• M27: 5,235,028 km (0.093 R)
• M28: 5,375,799 km (0.056 R)
• M29: 5,541,704 km (0.098 R)
• M30: 5,649,115 km (0.092 R)
• M31: 5,781,509 km (0.029 R)
• M32: 6,271,741 km (0.072 R)
• M33: 6,446,621 km (0.119 R)
• M34: 6,610,431 km (0.069 R)
• M35: 6,711,858 km (0.061 R)
• M36: 6,877,912 km (0.099 R)
• M37: 7,006,566 km (0.093 R)
• M38: 7,266,417 km (0.077 R)
• M39: 7,688,583 km (0.085 R)
• M40: 7,876,029 km (0.092 R)
• M41: 8,037,744 km (0.113 R)
• M42: 8,173,429 km (0.106 R)
• M43: 8,337,239 km (0.056 R)
• M44: 8,543,534 km (0.033 R)
• M45: 8,835,250 km (0.043 R)
• M46: 8,933,237 km (0.1 R)
• M47: 9,158,531 km (0.063 R)
• M48: 9,286,138 km (0.11 R)
• M49: 9,414,344 km (0.065 R)
• M50: 9,543,147 km (0.103 R)
• M51: 9,686,911 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.6

Radius: 14.3

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.75 AU - 2.35 AU

Year: 1895 Days

Day: 8.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 62,215,267 km

• M1: 191,036 km (0.113 R)
• M2: 292,314 km (0.106 R)
• M3: 464,202 km (0.069 R)
• M4: 796,609 km (0.037 R)
• M5: 936,333 km (0.089 R)
• M6: 1,158,187 km (0.115 R)
• M7: 1,280,857 km (0.117 R)
• M8: 1,388,268 km (0.061 R)
• M9: 1,509,293 km (0.076 R)
• M10: 1,613,114 km (0.052 R)
• M11: 1,939,387 km (0.084 R)
• M12: 2,052,932 km (0.118 R)
• M13: 2,157,201 km (0.105 R)
• M14: 2,263,416 km (0.07 R)
• M15: 2,432,162 km (0.103 R)
• M16: 2,530,448 km (0.108 R)
• M17: 2,820,967 km (0.107 R)
• M18: 3,003,177 km (0.119 R)
• M19: 3,175,963 km (0.118 R)
• M20: 3,462,293 km (0.084 R)
• M21: 3,842,870 km (0.045 R)
• M22: 4,192,780 km (0.086 R)
• M23: 4,752,575 km (0.066 R)
• M24: 4,892,299 km (0.088 R)
• M25: 5,144,222 km (0.085 R)
• M26: 5,628,321 km (0.028 R)
• M27: 5,793,028 km (0.091 R)
• M28: 5,959,231 km (0.076 R)
• M29: 6,127,230 km (0.075 R)
• M30: 6,381,995 km (0.089 R)
• M31: 6,502,122 km (0.113 R)
• M32: 6,762,123 km (0.095 R)
• M33: 6,972,607 km (0.061 R)
• M34: 7,382,206 km (0.096 R)
• M35: 8,206,341 km (0.108 R)
• M36: 8,318,390 km (0.119 R)
• M37: 8,412,187 km (0.111 R)
• M38: 8,733,972 km (0.112 R)
• M39: 8,886,712 km (0.105 R)
• M40: 9,021,051 km (0.035 R)
• M41: 9,565,587 km (0.075 R)
• M42: 10,001,066 km (0.111 R)
• M43: 10,341,850 km (0.066 R)
• M44: 10,503,715 km (0.092 R)
• M45: 10,993,948 km (0.091 R)
• M46: 11,304,363 km (0.042 R)
• M47: 11,997,151 km (0.12 R)
• M48: 12,209,879 km (0.06 R)
• M49: 12,402,411 km (0.095 R)
• M50: 12,790,468 km (0.116 R)
• M51: 12,985,993 km (0.108 R)
• M52: 13,116,891 km (0.112 R)
• M53: 13,314,210 km (0.12 R)
• M54: 13,446,156 km (0.107 R)
• M55: 13,711,542 km (0.092 R)
• M56: 14,112,914 km (0.075 R)
• M57: 14,744,815 km (0.114 R)
• M58: 14,949,914 km (0.071 R)
• M59: 15,316,877 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.1

Radius: 4

Gravity: 46.07 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 6.15 AU - 9.59 AU

Year: 14255 Days

Day: 17.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (98)

Outer Limit: 62,215,267 km

• M1: 266,583 km (0.061 R)
• M2: 623,524 km (0.094 R)
• M3: 1,103,733 km (0.106 R)
• M4: 1,201,121 km (0.069 R)
• M5: 1,352,215 km (0.12 R)
• M6: 1,563,148 km (0.08 R)
• M7: 1,728,155 km (0.03 R)
• M8: 1,898,846 km (0.111 R)
• M9: 1,956,890 km (0.072 R)
• M10: 2,164,831 km (0.058 R)
• M11: 3,806,667 km (0.099 R)
• M12: 3,843,319 km (0.102 R)
• M13: 4,330,410 km (0.084 R)
• M14: 5,610,070 km (0.069 R)
• M15: 5,989,450 km (0.11 R)
• M16: 6,247,057 km (0.09 R)
• M17: 6,951,663 km (0.057 R)
• M18: 8,434,328 km (0.051 R)
• M19: 9,359,142 km (0.076 R)
• M20: 9,458,325 km (0.061 R)
• M21: 9,508,141 km (0.119 R)
• M22: 9,758,120 km (0.061 R)
• M23: 9,909,213 km (0.09 R)
• M24: 10,366,833 km (0.092 R)
• M25: 10,469,607 km (0.106 R)
• M26: 10,521,069 km (0.113 R)
• M27: 11,355,675 km (0.118 R)
• M28: 11,514,548 km (0.099 R)
• M29: 11,834,538 km (0.036 R)
• M30: 12,157,370 km (0.105 R)
• M31: 13,421,622 km (0.081 R)
• M32: 13,758,217 km (0.104 R)
• M33: 14,382,489 km (0.089 R)
• M34: 15,132,273 km (0.046 R)
• M35: 15,423,989 km (0.113 R)
• M36: 16,729,530 km (0.115 R)
• M37: 16,849,956 km (0.062 R)
• M38: 17,273,767 km (0.079 R)
• M39: 19,318,171 km (0.06 R)
• M40: 19,761,729 km (0.047 R)
• M41: 19,825,308 km (0.076 R)
• M42: 20,336,783 km (0.12 R)
• M43: 21,307,225 km (0.116 R)
• M44: 22,028,586 km (0.088 R)
• M45: 22,359,047 km (0.114 R)
• M46: 22,691,155 km (0.112 R)
• M47: 23,091,927 km (0.104 R)
• M48: 24,172,024 km (0.088 R)
• M49: 24,308,158 km (0.083 R)
• M50: 26,240,813 km (0.117 R)
• M51: 26,591,171 km (0.12 R)
• M52: 26,802,104 km (0.085 R)
• M53: 27,225,616 km (0.105 R)
• M54: 28,365,701 km (0.102 R)
• M55: 30,692,397 km (0.065 R)
• M56: 31,357,658 km (0.118 R)
• M57: 31,654,909 km (0.097 R)
• M58: 32,552,197 km (0.105 R)
• M59: 33,533,709 km (0.072 R)
• M60: 34,066,128 km (0.119 R)
• M61: 36,301,868 km (0.076 R)
• M62: 36,692,019 km (0.048 R)
• M63: 36,770,259 km (0.055 R)
• M64: 39,302,203 km (0.09 R)
• M65: 39,462,273 km (0.108 R)
• M66: 40,508,261 km (0.071 R)
• M67: 41,156,469 km (0.093 R)
• M68: 41,726,436 km (0.047 R)
• M69: 42,463,056 km (0.096 R)
• M70: 42,791,873 km (0.071 R)
• M71: 43,949,162 km (0.079 R)
• M72: 45,368,397 km (0.113 R)
• M73: 45,620,469 km (0.117 R)
• M74: 46,210,184 km (0.101 R)
• M75: 46,633,097 km (0.066 R)
• M76: 47,653,055 km (0.075 R)
• M77: 48,251,596 km (0.068 R)
• M78: 48,508,755 km (0.079 R)
• M79: 49,024,569 km (0.112 R)
• M80: 49,628,645 km (0.06 R)
• M81: 50,061,731 km (0.07 R)
• M82: 50,235,264 km (0.114 R)
• M83: 50,408,947 km (0.1 R)
• M84: 50,496,013 km (0.108 R)
• M85: 52,685,827 km (0.113 R)
• M86: 53,039,177 km (0.092 R)
• M87: 53,836,833 km (0.089 R)
• M88: 55,085,676 km (0.099 R)
• M89: 55,803,447 km (0.116 R)
• M90: 56,253,736 km (0.04 R)
• M91: 57,248,412 km (0.118 R)
• M92: 57,884,503 km (0.049 R)
• M93: 58,614,241 km (0.111 R)
• M94: 58,980,307 km (0.114 R)
• M95: 61,007,059 km (0.1 R)
• M96: 61,285,161 km (0.09 R)
• M97: 61,377,912 km (0.116 R)
• M98: 61,935,762 km (0.118 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 15,887 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit