🌌 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 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.7

Radius: 13.2

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.47 AU - 0.73 AU

Year: 310 Days

Day: 11.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,900,202 km

• M1: 164,408 km (0.11 R)
• M2: 598,391 km (0.079 R)
• M3: 1,186,760 km (0.108 R)
• M4: 1,885,681 km (0.118 R)
• M5: 2,309,642 km (0.092 R)
• M6: 3,006,618 km (0.067 R)
• M7: 3,962,249 km (0.083 R)
• M8: 4,450,985 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.7

Radius: 8.1

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.55 AU - 1.63 AU

Year: 1337 Days

Day: 14.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,900,202 km

• M1: 100,679 km (0.104 R)
• M2: 491,579 km (0.102 R)
• M3: 756,516 km (0.048 R)
• M4: 1,166,564 km (0.106 R)
• M5: 4,212,676 km (0.082 R)
• M6: 4,466,095 km (0.09 R)
• M7: 4,801,792 km (0.109 R)
• M8: 5,745,755 km (0.069 R)
• M9: 7,230,065 km (0.083 R)
• M10: 8,022,485 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.1

Radius: 8.3

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.33 AU - 1.97 AU

Year: 1413 Days

Day: 5.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,900,202 km

• M1: 104,719 km (0.055 R)
• M2: 413,638 km (0.115 R)
• M3: 689,796 km (0.11 R)
• M4: 966,701 km (0.099 R)
• M5: 1,545,346 km (0.082 R)
• M6: 1,908,420 km (0.094 R)
• M7: 2,327,892 km (0.076 R)
• M8: 2,819,022 km (0.079 R)
• M9: 3,455,711 km (0.09 R)
• M10: 4,095,691 km (0.075 R)
• M11: 5,646,871 km (0.092 R)
• M12: 7,246,970 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.2

Radius: 11.9

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.61 AU - 2.53 AU

Year: 1986 Days

Day: 5.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,900,202 km

• M1: 149,299 km (0.105 R)
• M2: 604,076 km (0.108 R)
• M3: 1,213,688 km (0.088 R)
• M4: 2,473,750 km (0.111 R)
• M5: 2,958,747 km (0.118 R)
• M6: 3,975,414 km (0.108 R)
• M7: 4,426,751 km (0.107 R)
• M8: 5,277,514 km (0.104 R)
• M9: 5,824,144 km (0.069 R)
• M10: 6,845,599 km (0.093 R)
• M11: 7,837,732 km (0.09 R)
• M12: 8,248,527 km (0.109 R)
• M13: 8,860,383 km (0.091 R)
• M14: 9,601,341 km (0.096 R)
• M15: 11,729,071 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.9

Radius: 13.7

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.14 AU - 2.42 AU

Year: 2296 Days

Day: 9.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,900,202 km

• M1: 170,392 km (0.093 R)
• M2: 862,282 km (0.089 R)
• M3: 1,441,375 km (0.1 R)
• M4: 1,941,631 km (0.109 R)
• M5: 2,427,674 km (0.079 R)
• M6: 3,162,349 km (0.113 R)
• M7: 3,860,523 km (0.086 R)
• M8: 5,077,651 km (0.028 R)
• M9: 6,982,032 km (0.092 R)
• M10: 7,702,346 km (0.055 R)
• M11: 8,718,564 km (0.108 R)
• M12: 10,584,947 km (0.033 R)
• M13: 11,275,042 km (0.061 R)
• M14: 12,947,845 km (0.118 R)
• M15: 13,443,014 km (0.063 R)
• M16: 14,383,536 km (0.095 R)
• M17: 14,825,448 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.3

Radius: 8.5

Gravity: 8.6 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.58 AU - 3.58 AU

Year: 3605 Days

Day: 7 Hours

Environment

Temp: -208 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,900,202 km

• M1: 110,254 km (0.037 R)
• M2: 409,300 km (0.104 R)
• M3: 795,861 km (0.101 R)
• M4: 1,134,700 km (0.061 R)
• M5: 1,504,207 km (0.104 R)
• M6: 1,914,254 km (0.109 R)
• M7: 2,251,747 km (0.065 R)
• M8: 2,709,217 km (0.12 R)
• M9: 3,047,608 km (0.113 R)
• M10: 3,510,314 km (0.091 R)
• M11: 3,830,603 km (0.1 R)
• M12: 5,468,251 km (0.115 R)
• M13: 6,124,238 km (0.056 R)
• M14: 7,364,853 km (0.116 R)
• M15: 8,837,644 km (0.103 R)
• M16: 10,744,568 km (0.109 R)
• M17: 11,994,159 km (0.096 R)
• M18: 13,194,383 km (0.076 R)
• M19: 13,922,326 km (0.077 R)
• M20: 14,271,038 km (0.118 R)
• M21: 14,882,445 km (0.117 R)
• M22: 15,405,140 km (0.086 R)
• M23: 17,793,470 km (0.093 R)
• M24: 19,413,166 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363

Radius: 8

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.48 AU - 3.94 AU

Year: 4765 Days

Day: 7.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,900,202 km

• M1: 101,427 km (0.11 R)
• M2: 558,150 km (0.105 R)
• M3: 969,693 km (0.098 R)
• M4: 1,934,151 km (0.067 R)
• M5: 2,871,830 km (0.119 R)
• M6: 4,149,845 km (0.084 R)
• M7: 5,527,641 km (0.111 R)
• M8: 6,511,547 km (0.099 R)
• M9: 6,782,468 km (0.056 R)
• M10: 7,773,704 km (0.091 R)
• M11: 9,765,300 km (0.079 R)
• M12: 10,815,926 km (0.074 R)
• M13: 13,720,369 km (0.064 R)
• M14: 14,016,872 km (0.1 R)
• M15: 17,393,296 km (0.066 R)
• M16: 21,474,026 km (0.073 R)
• M17: 22,075,709 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.7

Radius: 4.7

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.96 AU - 6.42 AU

Year: 10270 Days

Day: 16.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,900,202 km

• M1: 67,469 km (0.101 R)
• M2: 731,833 km (0.093 R)
• M3: 1,010,085 km (0.076 R)
• M4: 1,192,445 km (0.083 R)
• M5: 1,635,554 km (0.108 R)
• M6: 1,850,974 km (0.103 R)
• M7: 2,924,638 km (0.11 R)
• M8: 3,990,224 km (0.118 R)
• M9: 4,404,161 km (0.095 R)
• M10: 4,846,223 km (0.072 R)
• M11: 5,656,595 km (0.068 R)
• M12: 12,538,695 km (0.114 R)
• M13: 13,233,577 km (0.118 R)
• M14: 15,894,774 km (0.077 R)
• M15: 16,488,677 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.4

Radius: 4.5

Gravity: 35.87 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.7 AU - 7.8 AU

Year: 11695 Days

Day: 18.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,900,202 km

• M1: 55,950 km (0.118 R)
• M2: 221,255 km (0.119 R)
• M3: 377,286 km (0.088 R)
• M4: 1,297,462 km (0.06 R)
• M5: 1,548,787 km (0.094 R)
• M6: 1,815,370 km (0.04 R)
• M7: 2,093,622 km (0.087 R)
• M8: 2,501,426 km (0.026 R)
• M9: 3,077,228 km (0.1 R)
• M10: 4,672,989 km (0.055 R)
• M11: 6,471,753 km (0.103 R)
• M12: 6,912,618 km (0.064 R)
• M13: 7,765,326 km (0.065 R)
• M14: 8,079,631 km (0.114 R)
• M15: 8,496,112 km (0.095 R)
• M16: 8,829,865 km (0.076 R)
• M17: 13,161,920 km (0.074 R)
• M18: 14,197,885 km (0.114 R)
• M19: 14,600,004 km (0.108 R)
• M20: 15,217,245 km (0.099 R)
• M21: 15,426,832 km (0.088 R)
• M22: 18,646,776 km (0.065 R)
• M23: 20,625,208 km (0.035 R)
• M24: 23,197,394 km (0.095 R)
• M25: 23,568,097 km (0.074 R)
• M26: 24,321,472 km (0.086 R)
• M27: 25,776,910 km (0.098 R)
• M28: 28,541,479 km (0.105 R)
• M29: 29,397,029 km (0.098 R)
• M30: 29,831,162 km (0.07 R)
• M31: 33,695,574 km (0.081 R)
• M32: 36,740,938 km (0.086 R)
• M33: 37,625,360 km (0.079 R)
• M34: 39,964,622 km (0.045 R)
• M35: 45,362,114 km (0.048 R)
• M36: 46,967,747 km (0.105 R)
• M37: 47,115,700 km (0.094 R)
• M38: 53,931,977 km (0.056 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.6

Radius: 7.8

Gravity: 14.85 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 7.67 AU - 9.89 AU

Year: 17349 Days

Day: 17.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,900,202 km

• M1: 102,624 km (0.116 R)
• M2: 431,440 km (0.09 R)
• M3: 788,979 km (0.085 R)
• M4: 1,055,862 km (0.071 R)
• M5: 1,413,999 km (0.038 R)
• M6: 2,399,251 km (0.084 R)
• M7: 2,699,194 km (0.054 R)
• M8: 3,155,917 km (0.092 R)
• M9: 3,783,031 km (0.113 R)
• M10: 5,359,793 km (0.115 R)
• M11: 6,466,518 km (0.106 R)
• M12: 6,958,695 km (0.107 R)
• M13: 7,475,406 km (0.098 R)
• M14: 8,532,763 km (0.102 R)
• M15: 9,015,216 km (0.11 R)
• M16: 9,290,925 km (0.075 R)
• M17: 9,744,057 km (0.119 R)
• M18: 13,055,855 km (0.09 R)
• M19: 14,135,204 km (0.101 R)
• M20: 15,586,303 km (0.093 R)
• M21: 16,388,746 km (0.045 R)
• M22: 18,603,692 km (0.074 R)
• M23: 19,598,069 km (0.119 R)
• M24: 19,875,424 km (0.116 R)
• M25: 21,989,391 km (0.09 R)
• M26: 26,885,281 km (0.065 R)
• M27: 29,223,645 km (0.116 R)
• M28: 35,519,022 km (0.101 R)
• M29: 38,762,903 km (0.111 R)
• M30: 42,816,706 km (0.112 R)
• M31: 45,347,603 km (0.057 R)
• M32: 46,649,702 km (0.105 R)
• M33: 50,531,767 km (0.087 R)
• M34: 58,739,903 km (0.105 R)
• M35: 63,259,105 km (0.097 R)
• M36: 66,327,956 km (0.071 R)
• M37: 73,203,923 km (0.078 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: 293 - 16,225 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit