🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.3

Radius: 13.5

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.67 AU - 0.83 AU

Year: 457 Days

Day: 12.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 91.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,961,078 km

• M1: 167,849 km (0.115 R)
• M2: 637,736 km (0.067 R)
• M3: 1,102,237 km (0.054 R)
• M4: 1,546,244 km (0.115 R)
• M5: 2,404,187 km (0.089 R)
• M6: 3,072,291 km (0.034 R)
• M7: 4,085,817 km (0.087 R)
• M8: 4,532,067 km (0.066 R)
• M9: 5,011,080 km (0.057 R)
• M10: 5,474,235 km (0.081 R)
• M11: 5,983,616 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550

Radius: 8.4

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.92 AU - 1.14 AU

Year: 735 Days

Day: 10.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,961,078 km

• M1: 104,868 km (0.096 R)
• M2: 369,208 km (0.05 R)
• M3: 709,094 km (0.104 R)
• M4: 1,056,909 km (0.06 R)
• M5: 1,458,729 km (0.096 R)
• M6: 1,933,403 km (0.1 R)
• M7: 2,455,051 km (0.108 R)
• M8: 2,887,837 km (0.074 R)
• M9: 3,166,389 km (0.09 R)
• M10: 3,611,143 km (0.101 R)
• M11: 3,906,449 km (0.1 R)
• M12: 4,371,699 km (0.073 R)
• M13: 4,674,933 km (0.116 R)
• M14: 5,377,445 km (0.082 R)
• M15: 6,307,046 km (0.037 R)
• M16: 6,863,102 km (0.111 R)
• M17: 7,563,968 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.3

Radius: 14.2

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.23 AU - 1.45 AU

Year: 1090 Days

Day: 14.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,961,078 km

• M1: 176,974 km (0.091 R)
• M2: 806,781 km (0.069 R)
• M3: 1,385,875 km (0.063 R)
• M4: 1,986,959 km (0.118 R)
• M5: 2,575,028 km (0.043 R)
• M6: 3,198,402 km (0.1 R)
• M7: 4,138,326 km (0.109 R)
• M8: 5,367,871 km (0.08 R)
• M9: 6,286,851 km (0.063 R)
• M10: 7,401,953 km (0.034 R)
• M11: 8,309,264 km (0.097 R)
• M12: 9,399,982 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.2

Radius: 15

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.31 AU - 2.05 AU

Year: 1531 Days

Day: 12.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,961,078 km

• M1: 187,147 km (0.091 R)
• M2: 799,002 km (0.111 R)
• M3: 1,550,432 km (0.109 R)
• M4: 2,763,521 km (0.1 R)
• M5: 3,235,503 km (0.114 R)
• M6: 4,054,701 km (0.048 R)
• M7: 5,976,136 km (0.106 R)
• M8: 6,846,646 km (0.115 R)
• M9: 7,879,320 km (0.086 R)
• M10: 8,364,466 km (0.115 R)
• M11: 9,335,655 km (0.11 R)
• M12: 9,972,344 km (0.093 R)
• M13: 11,400,704 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.7

Radius: 10.8

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.81 AU - 4.47 AU

Year: 4882 Days

Day: 14.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,961,078 km

• M1: 134,339 km (0.113 R)
• M2: 586,274 km (0.1 R)
• M3: 994,826 km (0.069 R)
• M4: 2,231,701 km (0.112 R)
• M5: 2,766,813 km (0.104 R)
• M6: 3,194,962 km (0.093 R)
• M7: 4,230,628 km (0.086 R)
• M8: 5,725,410 km (0.105 R)
• M9: 6,516,034 km (0.047 R)
• M10: 7,082,562 km (0.115 R)
• M11: 7,681,701 km (0.084 R)
• M12: 10,379,848 km (0.107 R)
• M13: 12,103,665 km (0.09 R)
• M14: 12,527,176 km (0.094 R)
• M15: 14,583,249 km (0.086 R)
• M16: 24,024,371 km (0.083 R)
• M17: 25,993,228 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.5

Radius: 11.4

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.46 AU - 4.88 AU

Year: 7094 Days

Day: 10.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,961,078 km

• M1: 141,819 km (0.118 R)
• M2: 747,690 km (0.032 R)
• M3: 1,126,322 km (0.102 R)
• M4: 1,570,778 km (0.102 R)
• M5: 2,118,306 km (0.08 R)
• M6: 2,521,173 km (0.074 R)
• M7: 2,958,298 km (0.08 R)
• M8: 3,944,597 km (0.053 R)
• M9: 4,377,982 km (0.119 R)
• M10: 4,915,636 km (0.114 R)
• M11: 5,709,702 km (0.097 R)
• M12: 6,095,515 km (0.085 R)
• M13: 6,646,933 km (0.105 R)
• M14: 7,043,367 km (0.082 R)
• M15: 7,487,822 km (0.064 R)
• M16: 7,849,999 km (0.087 R)
• M17: 9,008,036 km (0.094 R)
• M18: 10,196,292 km (0.08 R)
• M19: 13,939,530 km (0.117 R)
• M20: 14,388,323 km (0.083 R)
• M21: 17,401,224 km (0.112 R)
• M22: 18,097,752 km (0.071 R)
• M23: 22,879,349 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.4

Radius: 9.8

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.21 AU - 5.47 AU

Year: 7485 Days

Day: 10.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,961,078 km

• M1: 129,103 km (0.093 R)
• M2: 478,564 km (0.04 R)
• M3: 806,482 km (0.092 R)
• M4: 1,409,661 km (0.112 R)
• M5: 2,189,066 km (0.112 R)
• M6: 3,210,670 km (0.048 R)
• M7: 3,766,725 km (0.064 R)
• M8: 5,011,828 km (0.05 R)
• M9: 6,441,385 km (0.07 R)
• M10: 6,801,018 km (0.068 R)
• M11: 8,250,173 km (0.104 R)
• M12: 8,892,696 km (0.089 R)
• M13: 11,801,178 km (0.083 R)
• M14: 12,395,979 km (0.088 R)
• M15: 13,586,628 km (0.063 R)
• M16: 14,482,570 km (0.111 R)
• M17: 18,249,295 km (0.11 R)
• M18: 18,825,546 km (0.103 R)
• M19: 19,938,554 km (0.1 R)
• M20: 20,395,874 km (0.079 R)
• M21: 22,788,094 km (0.109 R)
• M22: 25,450,487 km (0.097 R)
• M23: 26,626,177 km (0.118 R)
• M24: 29,281,090 km (0.044 R)
• M25: 30,976,333 km (0.091 R)
• M26: 33,586,816 km (0.11 R)
• M27: 36,453,860 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 508.7

Radius: 3.2

Gravity: 49.68 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.45 AU - 5.65 AU

Year: 9191 Days

Day: 23.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 44,961,078 km

• M1: 39,793 km (0.05 R)
• M2: 234,121 km (0.075 R)
• M3: 367,712 km (0.116 R)
• M4: 558,299 km (0.04 R)
• M5: 703,708 km (0.111 R)
• M6: 959,072 km (0.082 R)
• M7: 1,460,075 km (0.067 R)
• M8: 1,622,688 km (0.037 R)
• M9: 1,936,395 km (0.08 R)
• M10: 2,379,055 km (0.087 R)
• M11: 2,927,481 km (0.078 R)
• M12: 3,076,779 km (0.102 R)
• M13: 3,850,350 km (0.092 R)
• M14: 4,161,364 km (0.059 R)
• M15: 4,573,207 km (0.072 R)
• M16: 5,350,517 km (0.099 R)
• M17: 6,972,009 km (0.116 R)
• M18: 7,123,551 km (0.05 R)
• M19: 7,394,024 km (0.088 R)
• M20: 8,330,956 km (0.098 R)
• M21: 9,162,421 km (0.111 R)
• M22: 9,904,277 km (0.055 R)
• M23: 10,144,082 km (0.09 R)
• M24: 10,735,293 km (0.084 R)
• M25: 11,142,049 km (0.083 R)
• M26: 12,590,905 km (0.114 R)
• M27: 12,815,601 km (0.058 R)
• M28: 13,043,139 km (0.104 R)
• M29: 15,023,516 km (0.1 R)
• M30: 15,212,907 km (0.069 R)
• M31: 15,660,952 km (0.102 R)
• M32: 15,920,953 km (0.061 R)
• M33: 17,611,559 km (0.091 R)
• M34: 21,663,716 km (0.084 R)
• M35: 23,309,592 km (0.071 R)
• M36: 24,162,898 km (0.079 R)
• M37: 29,526,431 km (0.048 R)
• M38: 34,523,748 km (0.044 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.2

Radius: 5.3

Gravity: 19.84 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 7.82 AU - 9.94 AU

Year: 18601 Days

Day: 23.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,961,078 km

• M1: 65,973 km (0.075 R)
• M2: 239,805 km (0.078 R)
• M3: 515,215 km (0.112 R)
• M4: 932,144 km (0.118 R)
• M5: 1,631,066 km (0.088 R)
• M6: 2,323,105 km (0.1 R)
• M7: 2,676,605 km (0.096 R)
• M8: 6,434,354 km (0.103 R)
• M9: 7,923,002 km (0.098 R)
• M10: 9,140,131 km (0.104 R)
• M11: 16,730,876 km (0.11 R)
• M12: 17,872,308 km (0.105 R)
• M13: 22,860,350 km (0.1 R)
• M14: 28,702,595 km (0.091 R)
• M15: 28,931,929 km (0.101 R)
• M16: 34,164,863 km (0.099 R)
• M17: 34,551,872 km (0.106 R)
• M18: 42,769,433 km (0.072 R)
• M19: 43,520,414 km (0.064 R)
• M20: 45,203,390 km (0.072 R)
• M21: 57,121,404 km (0.037 R)
• M22: 60,632,615 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 102.6

Radius: 5.1

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 8 AU - 12.74 AU

Year: 23473 Days

Day: 23.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,961,078 km

• M1: 63,429 km (0.099 R)
• M2: 227,389 km (0.075 R)
• M3: 581,637 km (0.057 R)
• M4: 861,684 km (0.094 R)
• M5: 1,028,037 km (0.111 R)
• M6: 1,227,750 km (0.038 R)
• M7: 1,413,999 km (0.102 R)
• M8: 1,955,543 km (0.079 R)
• M9: 2,685,880 km (0.08 R)
• M10: 3,558,933 km (0.092 R)
• M11: 4,237,060 km (0.028 R)
• M12: 6,124,836 km (0.108 R)
• M13: 8,204,396 km (0.099 R)
• M14: 9,098,243 km (0.105 R)
• M15: 10,507,006 km (0.101 R)
• M16: 20,321,973 km (0.088 R)
• M17: 24,728,079 km (0.113 R)
• M18: 26,390,411 km (0.078 R)
• M19: 28,323,066 km (0.076 R)
• M20: 32,359,366 km (0.064 R)
• M21: 35,828,840 km (0.081 R)
• M22: 40,787,411 km (0.078 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 17,085 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit