🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.43 AU - 0.69 AU

Year: 271 Days

Day: 22 Hours

Environment

Temp: -131 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,161,362 km

• M1: 559,646 km (0.055 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.52 AU - 0.64 AU

Year: 285 Days

Day: 46.1 Hours

Environment

Temp: -123 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.44 AU - 0.74 AU

Year: 293 Days

Day: 47.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 41.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,161,362 km

• M1: 125,213 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.5

Radius: 11.9

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.69 AU - 0.69 AU

Year: 370 Days

Day: 14.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 28,161,362 km

• M1: 150,944 km (0.099 R)
• M2: 243,994 km (0.11 R)
• M3: 330,611 km (0.045 R)
• M4: 411,095 km (0.113 R)
• M5: 491,279 km (0.098 R)
• M6: 578,345 km (0.108 R)
• M7: 767,287 km (0.072 R)
• M8: 936,632 km (0.073 R)
• M9: 1,041,201 km (0.117 R)
• M10: 1,127,818 km (0.087 R)
• M11: 1,244,355 km (0.082 R)
• M12: 1,332,319 km (0.056 R)
• M13: 1,432,100 km (0.105 R)
• M14: 1,584,241 km (0.062 R)
• M15: 1,659,938 km (0.08 R)
• M16: 1,846,636 km (0.094 R)
• M17: 1,980,526 km (0.092 R)
• M18: 2,067,891 km (0.104 R)
• M19: 2,167,823 km (0.111 R)
• M20: 2,477,640 km (0.055 R)
• M21: 2,596,121 km (0.119 R)
• M22: 2,698,297 km (0.071 R)
• M23: 2,801,968 km (0.053 R)
• M24: 3,082,763 km (0.08 R)
• M25: 3,191,222 km (0.092 R)
• M26: 3,314,042 km (0.11 R)
• M27: 3,418,611 km (0.035 R)
• M28: 3,597,829 km (0.077 R)
• M29: 3,698,658 km (0.116 R)
• M30: 3,834,792 km (0.078 R)
• M31: 3,917,220 km (0.106 R)
• M32: 4,014,160 km (0.107 R)
• M33: 4,161,065 km (0.083 R)
• M34: 4,316,946 km (0.117 R)
• M35: 4,424,357 km (0.099 R)
• M36: 4,737,316 km (0.064 R)
• M37: 4,959,917 km (0.066 R)
• M38: 5,065,085 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.8

Radius: 10.7

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.87 AU - 0.89 AU

Year: 533 Days

Day: 14.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 28,161,362 km

• M1: 135,236 km (0.101 R)
• M2: 204,051 km (0.117 R)
• M3: 306,975 km (0.084 R)
• M4: 389,403 km (0.115 R)
• M5: 460,013 km (0.104 R)
• M6: 533,765 km (0.11 R)
• M7: 639,680 km (0.113 R)
• M8: 785,987 km (0.075 R)
• M9: 909,256 km (0.091 R)
• M10: 1,030,281 km (0.09 R)
• M11: 1,204,861 km (0.096 R)
• M12: 1,305,989 km (0.066 R)
• M13: 1,420,133 km (0.065 R)
• M14: 1,495,979 km (0.086 R)
• M15: 1,622,987 km (0.104 R)
• M16: 1,794,426 km (0.081 R)
• M17: 1,918,443 km (0.032 R)
• M18: 1,991,297 km (0.104 R)
• M19: 2,112,023 km (0.086 R)
• M20: 2,195,349 km (0.115 R)
• M21: 2,279,722 km (0.071 R)
• M22: 2,435,154 km (0.091 R)
• M23: 2,543,762 km (0.068 R)
• M24: 2,632,474 km (0.097 R)
• M25: 2,735,397 km (0.062 R)
• M26: 2,804,661 km (0.059 R)
• M27: 2,892,176 km (0.062 R)
• M28: 2,980,588 km (0.084 R)
• M29: 3,087,850 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.2

Radius: 14.4

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.96 AU - 1.58 AU

Year: 924 Days

Day: 5.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 28,161,362 km

• M1: 190,288 km (0.088 R)
• M2: 284,236 km (0.055 R)
• M3: 454,179 km (0.085 R)
• M4: 552,465 km (0.114 R)
• M5: 736,919 km (0.09 R)
• M6: 913,594 km (0.091 R)
• M7: 1,105,827 km (0.089 R)
• M8: 1,263,055 km (0.091 R)
• M9: 1,577,958 km (0.045 R)
• M10: 1,717,384 km (0.043 R)
• M11: 1,992,793 km (0.073 R)
• M12: 2,222,127 km (0.091 R)
• M13: 2,424,383 km (0.116 R)
• M14: 2,614,522 km (0.086 R)
• M15: 2,744,223 km (0.092 R)
• M16: 2,866,594 km (0.109 R)
• M17: 3,146,193 km (0.046 R)
• M18: 3,294,444 km (0.079 R)
• M19: 3,414,871 km (0.105 R)
• M20: 3,649,739 km (0.118 R)
• M21: 3,753,560 km (0.062 R)
• M22: 3,921,708 km (0.095 R)
• M23: 4,276,554 km (0.112 R)
• M24: 4,597,292 km (0.113 R)
• M25: 4,732,229 km (0.049 R)
• M26: 4,845,774 km (0.03 R)
• M27: 4,937,328 km (0.032 R)
• M28: 5,029,331 km (0.101 R)
• M29: 5,320,897 km (0.111 R)
• M30: 5,427,261 km (0.093 R)
• M31: 5,594,212 km (0.11 R)
• M32: 5,811,279 km (0.04 R)
• M33: 5,957,436 km (0.101 R)
• M34: 6,117,356 km (0.114 R)
• M35: 6,241,373 km (0.064 R)
• M36: 6,491,800 km (0.095 R)
• M37: 6,745,667 km (0.086 R)
• M38: 6,912,469 km (0.075 R)
• M39: 7,355,129 km (0.079 R)
• M40: 7,473,910 km (0.089 R)
• M41: 7,700,102 km (0.048 R)
• M42: 8,077,387 km (0.116 R)
• M43: 8,213,671 km (0.107 R)
• M44: 8,419,518 km (0.107 R)
• M45: 8,710,486 km (0.055 R)
• M46: 9,047,230 km (0.112 R)
• M47: 9,259,959 km (0.084 R)
• M48: 9,431,248 km (0.104 R)
• M49: 9,733,735 km (0.064 R)
• M50: 9,835,162 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.6

Radius: 11.6

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.74 AU - 2.62 AU

Year: 2078 Days

Day: 11 Hours

Environment

Temp: -200 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 28,161,362 km

• M1: 145,260 km (0.119 R)
• M2: 296,952 km (0.116 R)
• M3: 407,804 km (0.099 R)
• M4: 509,979 km (0.119 R)
• M5: 646,263 km (0.051 R)
• M6: 719,715 km (0.114 R)
• M7: 924,066 km (0.116 R)
• M8: 1,178,532 km (0.115 R)
• M9: 1,342,192 km (0.045 R)
• M10: 1,439,281 km (0.11 R)
• M11: 1,623,735 km (0.102 R)
• M12: 1,906,176 km (0.097 R)
• M13: 2,007,155 km (0.098 R)
• M14: 2,128,628 km (0.098 R)
• M15: 2,281,816 km (0.102 R)
• M16: 2,538,526 km (0.041 R)
• M17: 2,639,804 km (0.041 R)
• M18: 2,732,106 km (0.095 R)
• M19: 2,804,810 km (0.077 R)
• M20: 3,047,907 km (0.095 R)
• M21: 3,342,316 km (0.052 R)
• M22: 3,498,795 km (0.098 R)
• M23: 4,148,499 km (0.088 R)
• M24: 4,232,273 km (0.116 R)
• M25: 4,304,679 km (0.112 R)
• M26: 4,377,383 km (0.084 R)
• M27: 4,598,339 km (0.087 R)
• M28: 4,735,072 km (0.091 R)
• M29: 4,835,452 km (0.097 R)
• M30: 5,166,512 km (0.072 R)
• M31: 5,491,887 km (0.078 R)
• M32: 5,584,189 km (0.077 R)
• M33: 5,690,254 km (0.072 R)
• M34: 5,877,700 km (0.079 R)
• M35: 6,039,864 km (0.091 R)
• M36: 7,015,991 km (0.098 R)
• M37: 7,159,455 km (0.062 R)
• M38: 7,245,922 km (0.052 R)
• M39: 7,405,543 km (0.119 R)
• M40: 7,595,682 km (0.119 R)
• M41: 7,713,565 km (0.117 R)
• M42: 8,070,656 km (0.085 R)
• M43: 8,417,872 km (0.067 R)
• M44: 8,693,132 km (0.1 R)
• M45: 8,847,368 km (0.108 R)
• M46: 9,127,265 km (0.116 R)
• M47: 9,315,459 km (0.056 R)
• M48: 9,632,158 km (0.104 R)
• M49: 9,743,758 km (0.072 R)
• M50: 10,016,774 km (0.025 R)
• M51: 10,097,557 km (0.098 R)
• M52: 10,227,258 km (0.114 R)
• M53: 10,390,021 km (0.101 R)
• M54: 10,488,157 km (0.056 R)
• M55: 10,570,286 km (0.105 R)
• M56: 11,167,182 km (0.045 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.8

Radius: 12.1

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.41 AU - 3.67 AU

Year: 4301 Days

Day: 6.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 28,161,362 km

• M1: 200,910 km (0.101 R)
• M2: 533,915 km (0.092 R)
• M3: 637,137 km (0.09 R)
• M4: 771,476 km (0.064 R)
• M5: 866,920 km (0.106 R)
• M6: 954,135 km (0.104 R)
• M7: 1,044,492 km (0.076 R)
• M8: 1,262,905 km (0.038 R)
• M9: 1,348,924 km (0.074 R)
• M10: 1,496,727 km (0.073 R)
• M11: 1,681,630 km (0.077 R)
• M12: 2,006,706 km (0.107 R)
• M13: 2,334,325 km (0.075 R)
• M14: 2,423,486 km (0.079 R)
• M15: 2,605,247 km (0.078 R)
• M16: 2,886,641 km (0.082 R)
• M17: 2,963,235 km (0.115 R)
• M18: 3,237,298 km (0.097 R)
• M19: 3,894,481 km (0.1 R)
• M20: 4,282,389 km (0.091 R)
• M21: 4,370,352 km (0.116 R)
• M22: 4,728,041 km (0.059 R)
• M23: 4,864,773 km (0.101 R)
• M24: 5,329,723 km (0.09 R)
• M25: 6,227,610 km (0.099 R)
• M26: 7,119,811 km (0.096 R)
• M27: 7,701,149 km (0.109 R)
• M28: 7,916,420 km (0.117 R)
• M29: 8,769,128 km (0.112 R)
• M30: 9,078,646 km (0.11 R)
• M31: 9,478,072 km (0.075 R)
• M32: 9,854,012 km (0.032 R)
• M33: 10,234,888 km (0.113 R)
• M34: 10,590,781 km (0.104 R)
• M35: 11,930,430 km (0.119 R)
• M36: 12,023,630 km (0.113 R)
• M37: 12,367,854 km (0.036 R)
• M38: 12,842,379 km (0.106 R)
• M39: 13,226,247 km (0.107 R)
• M40: 13,355,051 km (0.087 R)
• M41: 13,874,604 km (0.116 R)
• M42: 14,235,584 km (0.109 R)
• M43: 14,533,284 km (0.098 R)
• M44: 15,472,609 km (0.087 R)
• M45: 16,258,895 km (0.045 R)
• M46: 16,396,974 km (0.11 R)
• M47: 16,709,035 km (0.071 R)
• M48: 17,058,047 km (0.084 R)
• M49: 18,012,631 km (0.07 R)
• M50: 18,694,797 km (0.102 R)
• M51: 19,752,155 km (0.041 R)
• M52: 19,936,459 km (0.085 R)
• M53: 20,084,262 km (0.083 R)
• M54: 20,866,509 km (0.065 R)
• M55: 21,317,846 km (0.116 R)
• M56: 21,582,784 km (0.102 R)
• M57: 22,153,949 km (0.074 R)
• M58: 22,345,434 km (0.109 R)
• M59: 22,422,178 km (0.106 R)
• M60: 22,575,964 km (0.117 R)
• M61: 22,691,454 km (0.105 R)
• M62: 22,768,646 km (0.057 R)
• M63: 23,350,133 km (0.118 R)
• M64: 23,818,823 km (0.099 R)
• M65: 23,975,602 km (0.119 R)
• M66: 24,567,112 km (0.074 R)
• M67: 24,646,399 km (0.109 R)
• M68: 25,403,364 km (0.089 R)
• M69: 25,603,825 km (0.113 R)
• M70: 26,087,176 km (0.062 R)
• M71: 26,208,350 km (0.112 R)
• M72: 27,062,704 km (0.048 R)
• M73: 27,267,503 km (0.098 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.9

Radius: 10.1

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.36 AU - 4.34 AU

Year: 4878 Days

Day: 13.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 28,161,362 km

• M1: 157,975 km (0.105 R)
• M2: 375,640 km (0.099 R)
• M3: 467,643 km (0.027 R)
• M4: 701,464 km (0.092 R)
• M5: 959,521 km (0.052 R)
• M6: 1,148,463 km (0.093 R)
• M7: 1,233,285 km (0.093 R)
• M8: 1,500,766 km (0.114 R)
• M9: 1,803,402 km (0.078 R)
• M10: 1,970,653 km (0.085 R)
• M11: 2,213,300 km (0.093 R)
• M12: 2,447,571 km (0.117 R)
• M13: 2,595,673 km (0.081 R)
• M14: 2,689,770 km (0.063 R)
• M15: 2,862,256 km (0.063 R)
• M16: 2,940,047 km (0.117 R)
• M17: 3,421,902 km (0.096 R)
• M18: 3,651,086 km (0.084 R)
• M19: 3,735,758 km (0.087 R)
• M20: 4,190,685 km (0.104 R)
• M21: 4,279,397 km (0.112 R)
• M22: 4,391,146 km (0.115 R)
• M23: 4,458,765 km (0.108 R)
• M24: 4,709,341 km (0.107 R)
• M25: 5,011,529 km (0.073 R)
• M26: 5,200,620 km (0.12 R)
• M27: 5,344,085 km (0.086 R)
• M28: 5,416,191 km (0.088 R)
• M29: 5,537,216 km (0.113 R)
• M30: 5,782,107 km (0.042 R)
• M31: 5,856,308 km (0.081 R)
• M32: 6,206,516 km (0.101 R)
• M33: 6,409,820 km (0.084 R)
• M34: 7,059,224 km (0.115 R)
• M35: 7,244,726 km (0.047 R)
• M36: 8,280,392 km (0.064 R)
• M37: 8,391,992 km (0.114 R)
• M38: 8,504,190 km (0.07 R)
• M39: 8,843,927 km (0.099 R)
• M40: 9,101,534 km (0.097 R)
• M41: 9,507,393 km (0.081 R)
• M42: 9,859,846 km (0.047 R)
• M43: 10,216,637 km (0.11 R)
• M44: 10,336,614 km (0.062 R)
• M45: 10,547,547 km (0.099 R)
• M46: 12,285,875 km (0.075 R)
• M47: 13,515,420 km (0.053 R)
• M48: 13,647,066 km (0.116 R)
• M49: 14,278,518 km (0.096 R)
• M50: 14,412,708 km (0.086 R)
• M51: 14,513,537 km (0.086 R)
• M52: 14,783,710 km (0.098 R)
• M53: 15,294,886 km (0.088 R)
• M54: 15,742,483 km (0.093 R)
• M55: 16,229,424 km (0.101 R)
• M56: 16,545,076 km (0.085 R)
• M57: 16,862,822 km (0.042 R)
• M58: 17,004,640 km (0.071 R)
• M59: 17,325,229 km (0.041 R)
• M60: 17,432,490 km (0.089 R)
• M61: 18,590,827 km (0.102 R)
• M62: 18,957,940 km (0.114 R)
• M63: 19,031,692 km (0.05 R)
• M64: 19,364,547 km (0.094 R)
• M65: 19,662,097 km (0.032 R)
• M66: 20,601,572 km (0.12 R)
• M67: 21,172,287 km (0.115 R)
• M68: 21,248,732 km (0.027 R)
• M69: 21,401,920 km (0.091 R)
• M70: 22,563,099 km (0.058 R)
• M71: 22,758,474 km (0.098 R)
• M72: 23,190,662 km (0.093 R)
• M73: 23,427,475 km (0.064 R)
• M74: 24,262,680 km (0.093 R)
• M75: 25,310,314 km (0.118 R)
• M76: 25,432,087 km (0.092 R)
• M77: 25,921,421 km (0.067 R)
• M78: 27,449,564 km (0.106 R)
• M79: 28,077,276 km (0.091 R)
• M80: 28,161,350 km (0.103 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 14,524 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit