🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.51 AU - 0.71 AU

Year: 308 Days

Day: 13.4 Hours

Environment

Temp: -131 °C

Axial Tilt: 17.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 54,327,263 km

• M1: 109,805 km (0.085 R)
• M2: 168,896 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.6

Radius: 8

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.59 AU - 0.81 AU

Year: 378 Days

Day: 13.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 54,327,263 km

• M1: 101,727 km (0.055 R)
• M2: 166,502 km (0.084 R)
• M3: 232,176 km (0.108 R)
• M4: 286,779 km (0.106 R)
• M5: 404,513 km (0.104 R)
• M6: 462,856 km (0.113 R)
• M7: 543,339 km (0.095 R)
• M8: 602,131 km (0.045 R)
• M9: 684,410 km (0.094 R)
• M10: 741,407 km (0.077 R)
• M11: 822,639 km (0.059 R)
• M12: 1,010,833 km (0.063 R)
• M13: 1,195,586 km (0.091 R)
• M14: 1,296,565 km (0.091 R)
• M15: 1,455,737 km (0.109 R)
• M16: 1,540,260 km (0.071 R)
• M17: 1,592,769 km (0.056 R)
• M18: 1,645,726 km (0.101 R)
• M19: 1,828,684 km (0.11 R)
• M20: 1,915,002 km (0.066 R)
• M21: 1,997,580 km (0.117 R)
• M22: 2,055,026 km (0.029 R)
• M23: 2,123,691 km (0.113 R)
• M24: 2,182,334 km (0.103 R)
• M25: 2,274,037 km (0.1 R)
• M26: 2,389,228 km (0.119 R)
• M27: 2,455,948 km (0.092 R)
• M28: 2,591,185 km (0.116 R)
• M29: 2,682,739 km (0.11 R)
• M30: 2,763,821 km (0.107 R)
• M31: 2,851,485 km (0.069 R)
• M32: 2,922,394 km (0.053 R)
• M33: 3,017,838 km (0.12 R)
• M34: 3,102,211 km (0.097 R)
• M35: 3,248,667 km (0.096 R)
• M36: 3,347,552 km (0.08 R)
• M37: 3,422,350 km (0.119 R)
• M38: 3,478,898 km (0.114 R)
• M39: 3,592,892 km (0.107 R)
• M40: 3,714,515 km (0.119 R)
• M41: 3,766,276 km (0.095 R)
• M42: 3,863,664 km (0.027 R)
• M43: 3,935,770 km (0.115 R)
• M44: 4,028,072 km (0.118 R)
• M45: 4,081,180 km (0.084 R)
• M46: 4,241,848 km (0.094 R)
• M47: 4,356,888 km (0.074 R)
• M48: 4,411,492 km (0.096 R)
• M49: 4,514,265 km (0.119 R)
• M50: 4,590,261 km (0.036 R)
• M51: 4,673,587 km (0.092 R)
• M52: 4,778,455 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.8

Radius: 10.6

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.69 AU - 1.09 AU

Year: 542 Days

Day: 9.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,327,263 km

• M1: 141,370 km (0.098 R)
• M2: 241,900 km (0.081 R)
• M3: 375,939 km (0.096 R)
• M4: 478,564 km (0.064 R)
• M5: 544,536 km (0.069 R)
• M6: 623,524 km (0.104 R)
• M7: 740,210 km (0.039 R)
• M8: 836,551 km (0.079 R)
• M9: 915,389 km (0.059 R)
• M10: 1,038,957 km (0.097 R)
• M11: 1,140,385 km (0.039 R)
• M12: 1,282,503 km (0.12 R)
• M13: 1,362,238 km (0.079 R)
• M14: 1,448,107 km (0.05 R)
• M15: 1,544,598 km (0.093 R)
• M16: 1,707,510 km (0.088 R)
• M17: 1,871,619 km (0.115 R)
• M18: 2,026,154 km (0.12 R)
• M19: 2,100,055 km (0.11 R)
• M20: 2,220,332 km (0.063 R)
• M21: 2,358,560 km (0.086 R)
• M22: 2,697,549 km (0.102 R)
• M23: 2,845,202 km (0.102 R)
• M24: 2,939,598 km (0.116 R)
• M25: 3,018,287 km (0.074 R)
• M26: 3,097,574 km (0.079 R)
• M27: 3,188,978 km (0.115 R)
• M28: 3,386,447 km (0.119 R)
• M29: 3,534,250 km (0.089 R)
• M30: 3,605,907 km (0.117 R)
• M31: 3,690,280 km (0.089 R)
• M32: 3,756,851 km (0.057 R)
• M33: 3,836,288 km (0.102 R)
• M34: 3,903,906 km (0.047 R)
• M35: 4,034,056 km (0.108 R)
• M36: 4,146,853 km (0.12 R)
• M37: 4,420,467 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689

Radius: 14.4

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.02 AU - 1.52 AU

Year: 924 Days

Day: 10 Hours

Environment

Temp: -180 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 54,327,263 km

• M1: 206,295 km (0.109 R)
• M2: 310,266 km (0.114 R)
• M3: 479,312 km (0.047 R)
• M4: 625,618 km (0.099 R)
• M5: 744,549 km (0.12 R)
• M6: 927,357 km (0.073 R)
• M7: 1,041,052 km (0.091 R)
• M8: 1,139,786 km (0.116 R)
• M9: 1,283,999 km (0.109 R)
• M10: 1,383,780 km (0.112 R)
• M11: 1,622,239 km (0.093 R)
• M12: 1,972,897 km (0.112 R)
• M13: 2,140,596 km (0.041 R)
• M14: 2,252,046 km (0.078 R)
• M15: 2,580,713 km (0.118 R)
• M16: 2,746,318 km (0.11 R)
• M17: 2,877,665 km (0.088 R)
• M18: 2,991,957 km (0.075 R)
• M19: 3,205,434 km (0.11 R)
• M20: 3,324,065 km (0.055 R)
• M21: 3,484,733 km (0.105 R)
• M22: 3,596,632 km (0.112 R)
• M23: 3,751,316 km (0.092 R)
• M24: 4,110,052 km (0.05 R)
• M25: 4,502,298 km (0.107 R)
• M26: 4,602,229 km (0.098 R)
• M27: 4,703,058 km (0.11 R)
• M28: 5,032,772 km (0.092 R)
• M29: 5,125,073 km (0.099 R)
• M30: 5,323,141 km (0.071 R)
• M31: 5,464,361 km (0.075 R)
• M32: 5,762,959 km (0.071 R)
• M33: 5,944,720 km (0.098 R)
• M34: 6,351,327 km (0.094 R)
• M35: 6,488,957 km (0.1 R)
• M36: 6,779,776 km (0.085 R)
• M37: 6,997,590 km (0.072 R)
• M38: 7,283,023 km (0.035 R)
• M39: 7,519,387 km (0.115 R)
• M40: 8,013,210 km (0.092 R)
• M41: 8,162,060 km (0.084 R)
• M42: 8,257,204 km (0.111 R)
• M43: 8,517,654 km (0.097 R)
• M44: 8,948,197 km (0.12 R)
• M45: 9,074,607 km (0.07 R)
• M46: 9,443,066 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194

Radius: 14

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.11 AU - 1.69 AU

Year: 1070 Days

Day: 7 Hours

Environment

Temp: -169 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 54,327,263 km

• M1: 175,927 km (0.098 R)
• M2: 288,724 km (0.087 R)
• M3: 386,411 km (0.105 R)
• M4: 513,420 km (0.1 R)
• M5: 642,074 km (0.095 R)
• M6: 729,140 km (0.109 R)
• M7: 1,038,957 km (0.092 R)
• M8: 1,133,952 km (0.055 R)
• M9: 1,221,167 km (0.052 R)
• M10: 1,339,499 km (0.109 R)
• M11: 1,473,689 km (0.12 R)
• M12: 1,681,031 km (0.076 R)
• M13: 1,775,577 km (0.11 R)
• M14: 1,944,174 km (0.079 R)
• M15: 2,097,811 km (0.087 R)
• M16: 2,220,930 km (0.082 R)
• M17: 2,346,742 km (0.086 R)
• M18: 2,525,362 km (0.115 R)
• M19: 2,612,876 km (0.102 R)
• M20: 2,768,458 km (0.111 R)
• M21: 3,104,605 km (0.097 R)
• M22: 3,309,554 km (0.055 R)
• M23: 3,405,596 km (0.09 R)
• M24: 3,691,477 km (0.081 R)
• M25: 3,791,408 km (0.112 R)
• M26: 3,917,519 km (0.1 R)
• M27: 4,053,654 km (0.034 R)
• M28: 4,199,960 km (0.12 R)
• M29: 4,330,709 km (0.091 R)
• M30: 4,445,002 km (0.098 R)
• M31: 4,676,878 km (0.061 R)
• M32: 4,894,394 km (0.114 R)
• M33: 5,133,900 km (0.025 R)
• M34: 5,358,446 km (0.12 R)
• M35: 5,462,566 km (0.11 R)
• M36: 5,778,667 km (0.095 R)
• M37: 6,130,521 km (0.114 R)
• M38: 6,249,451 km (0.064 R)
• M39: 6,389,026 km (0.047 R)
• M40: 6,509,602 km (0.033 R)
• M41: 6,620,753 km (0.071 R)
• M42: 6,834,828 km (0.094 R)
• M43: 6,958,246 km (0.103 R)
• M44: 7,051,146 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.3

Radius: 8.1

Gravity: 12.55 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.07 AU - 2.77 AU

Year: 2431 Days

Day: 9.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 54,327,263 km

• M1: 105,766 km (0.09 R)
• M2: 198,217 km (0.042 R)
• M3: 295,605 km (0.064 R)
• M4: 362,476 km (0.107 R)
• M5: 428,000 km (0.082 R)
• M6: 490,232 km (0.048 R)
• M7: 556,055 km (0.05 R)
• M8: 633,996 km (0.114 R)
• M9: 734,675 km (0.032 R)
• M10: 850,913 km (0.057 R)
• M11: 911,500 km (0.061 R)
• M12: 1,005,148 km (0.094 R)
• M13: 1,080,246 km (0.085 R)
• M14: 1,213,837 km (0.09 R)
• M15: 1,521,710 km (0.108 R)
• M16: 1,583,793 km (0.04 R)
• M17: 1,880,445 km (0.096 R)
• M18: 2,236,638 km (0.058 R)
• M19: 2,364,843 km (0.109 R)
• M20: 2,794,787 km (0.093 R)
• M21: 3,042,372 km (0.1 R)
• M22: 3,184,939 km (0.091 R)
• M23: 3,248,967 km (0.114 R)
• M24: 3,394,525 km (0.111 R)
• M25: 3,726,034 km (0.087 R)
• M26: 3,861,570 km (0.09 R)
• M27: 3,998,751 km (0.118 R)
• M28: 4,102,572 km (0.109 R)
• M29: 4,799,997 km (0.101 R)
• M30: 4,929,100 km (0.108 R)
• M31: 5,096,799 km (0.059 R)
• M32: 5,611,117 km (0.084 R)
• M33: 5,708,206 km (0.098 R)
• M34: 6,627,186 km (0.113 R)
• M35: 6,750,454 km (0.118 R)
• M36: 6,833,182 km (0.109 R)
• M37: 7,208,972 km (0.114 R)
• M38: 7,293,495 km (0.11 R)
• M39: 7,357,074 km (0.11 R)
• M40: 7,484,681 km (0.119 R)
• M41: 7,548,858 km (0.051 R)
• M42: 7,634,578 km (0.062 R)
• M43: 8,156,076 km (0.097 R)
• M44: 8,266,180 km (0.077 R)
• M45: 8,577,044 km (0.095 R)
• M46: 9,141,776 km (0.091 R)
• M47: 9,233,181 km (0.093 R)
• M48: 9,301,996 km (0.113 R)
• M49: 9,695,139 km (0.118 R)
• M50: 9,788,488 km (0.091 R)
• M51: 10,450,010 km (0.12 R)
• M52: 10,737,836 km (0.077 R)
• M53: 12,015,551 km (0.082 R)
• M54: 12,115,782 km (0.071 R)
• M55: 12,723,149 km (0.065 R)
• M56: 13,237,018 km (0.034 R)
• M57: 13,574,511 km (0.063 R)
• M58: 13,783,798 km (0.107 R)
• M59: 14,872,422 km (0.104 R)
• M60: 15,196,301 km (0.102 R)
• M61: 15,304,760 km (0.12 R)
• M62: 15,549,651 km (0.052 R)
• M63: 15,768,663 km (0.063 R)
• M64: 16,570,507 km (0.119 R)
• M65: 16,990,578 km (0.095 R)
• M66: 17,074,951 km (0.093 R)
• M67: 17,300,844 km (0.102 R)
• M68: 17,470,787 km (0.099 R)
• M69: 17,556,058 km (0.102 R)
• M70: 17,784,045 km (0.088 R)
• M71: 18,473,691 km (0.108 R)
• M72: 18,705,419 km (0.117 R)
• M73: 18,821,806 km (0.111 R)
• M74: 18,879,999 km (0.111 R)
• M75: 19,113,522 km (0.102 R)
• M76: 19,201,335 km (0.105 R)
• M77: 19,259,978 km (0.082 R)
• M78: 19,731,062 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.8

Radius: 7.8

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 7.07 AU - 11.67 AU

Year: 18519 Days

Day: 16.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 54,327,263 km

• M1: 122,221 km (0.11 R)
• M2: 177,423 km (0.107 R)
• M3: 995,723 km (0.072 R)
• M4: 1,101,340 km (0.084 R)
• M5: 1,233,285 km (0.078 R)
• M6: 1,301,202 km (0.037 R)
• M7: 1,585,737 km (0.07 R)
• M8: 1,635,105 km (0.062 R)
• M9: 1,710,053 km (0.108 R)
• M10: 2,379,504 km (0.078 R)
• M11: 3,342,465 km (0.057 R)
• M12: 3,698,658 km (0.094 R)
• M13: 3,797,991 km (0.105 R)
• M14: 4,412,240 km (0.115 R)
• M15: 6,157,000 km (0.095 R)
• M16: 6,433,307 km (0.095 R)
• M17: 6,875,817 km (0.048 R)
• M18: 7,121,307 km (0.114 R)
• M19: 7,747,674 km (0.112 R)
• M20: 8,304,627 km (0.109 R)
• M21: 8,697,919 km (0.114 R)
• M22: 8,963,456 km (0.073 R)
• M23: 9,141,926 km (0.05 R)
• M24: 9,411,950 km (0.106 R)
• M25: 9,821,848 km (0.114 R)
• M26: 10,330,780 km (0.115 R)
• M27: 11,181,992 km (0.065 R)
• M28: 12,800,342 km (0.111 R)
• M29: 13,001,401 km (0.114 R)
• M30: 13,355,948 km (0.068 R)
• M31: 14,074,317 km (0.065 R)
• M32: 14,858,061 km (0.112 R)
• M33: 16,032,853 km (0.079 R)
• M34: 16,576,641 km (0.035 R)
• M35: 17,682,468 km (0.108 R)
• M36: 17,962,665 km (0.108 R)
• M37: 19,040,667 km (0.06 R)
• M38: 19,443,086 km (0.047 R)
• M39: 22,640,740 km (0.094 R)
• M40: 22,944,873 km (0.098 R)
• M41: 23,557,476 km (0.102 R)
• M42: 23,618,961 km (0.11 R)
• M43: 24,113,232 km (0.058 R)
• M44: 24,175,315 km (0.098 R)
• M45: 25,112,097 km (0.05 R)
• M46: 27,150,069 km (0.115 R)
• M47: 27,408,574 km (0.06 R)
• M48: 28,058,427 km (0.065 R)
• M49: 29,638,330 km (0.088 R)
• M50: 29,971,185 km (0.043 R)
• M51: 30,037,906 km (0.109 R)
• M52: 30,171,497 km (0.118 R)
• M53: 30,305,237 km (0.077 R)
• M54: 31,247,106 km (0.04 R)
• M55: 31,789,548 km (0.091 R)
• M56: 31,925,682 km (0.105 R)
• M57: 32,198,548 km (0.037 R)
• M58: 32,266,765 km (0.11 R)
• M59: 32,952,671 km (0.117 R)
• M60: 34,199,420 km (0.114 R)
• M61: 35,250,195 km (0.084 R)
• M62: 35,320,656 km (0.093 R)
• M63: 36,098,415 km (0.094 R)
• M64: 36,382,501 km (0.08 R)
• M65: 37,454,968 km (0.104 R)
• M66: 37,958,964 km (0.104 R)
• M67: 38,392,798 km (0.099 R)
• M68: 38,900,982 km (0.095 R)
• M69: 41,326,561 km (0.064 R)
• M70: 42,145,909 km (0.025 R)
• M71: 42,445,254 km (0.048 R)
• M72: 43,271,932 km (0.12 R)
• M73: 44,103,846 km (0.062 R)
• M74: 46,014,360 km (0.08 R)
• M75: 46,245,339 km (0.076 R)
• M76: 47,484,159 km (0.099 R)
• M77: 48,029,593 km (0.076 R)
• M78: 48,733,900 km (0.101 R)
• M79: 50,311,260 km (0.115 R)
• M80: 52,950,316 km (0.043 R)
• M81: 53,515,796 km (0.085 R)
• M82: 54,164,602 km (0.084 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 12,333 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit