🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.3

Radius: 8.8

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.68 AU - 0.94 AU

Year: 494 Days

Day: 14 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,497,637 km

• M1: 109,655 km (0.103 R)
• M2: 411,843 km (0.09 R)
• M3: 719,715 km (0.057 R)
• M4: 1,008,589 km (0.114 R)
• M5: 1,771,538 km (0.118 R)
• M6: 2,084,946 km (0.091 R)
• M7: 2,963,983 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.8

Radius: 8.2

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.83 AU - 1.19 AU

Year: 688 Days

Day: 13.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,497,637 km

• M1: 102,475 km (0.092 R)
• M2: 459,714 km (0.098 R)
• M3: 775,067 km (0.076 R)
• M4: 1,109,867 km (0.12 R)
• M5: 1,838,857 km (0.072 R)
• M6: 2,157,949 km (0.114 R)
• M7: 2,941,842 km (0.101 R)
• M8: 3,285,020 km (0.096 R)
• M9: 3,758,048 km (0.07 R)
• M10: 4,038,395 km (0.098 R)
• M11: 4,347,314 km (0.106 R)
• M12: 4,702,011 km (0.065 R)
• M13: 5,124,325 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.6

Radius: 11.8

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.24 AU - 1.62 AU

Year: 1160 Days

Day: 12 Hours

Environment

Temp: -200 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,497,637 km

• M1: 146,756 km (0.112 R)
• M2: 685,457 km (0.1 R)
• M3: 1,055,263 km (0.053 R)
• M4: 1,564,495 km (0.119 R)
• M5: 1,975,141 km (0.105 R)
• M6: 2,446,075 km (0.111 R)
• M7: 3,538,588 km (0.089 R)
• M8: 4,310,962 km (0.062 R)
• M9: 4,680,319 km (0.064 R)
• M10: 5,568,482 km (0.053 R)
• M11: 5,940,531 km (0.097 R)
• M12: 6,423,134 km (0.085 R)
• M13: 7,157,959 km (0.119 R)
• M14: 8,030,115 km (0.101 R)
• M15: 8,477,861 km (0.103 R)
• M16: 9,423,469 km (0.113 R)
• M17: 9,827,234 km (0.08 R)
• M18: 11,524,122 km (0.095 R)
• M19: 12,022,283 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.6

Radius: 12

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.02 AU - 3.18 AU

Year: 2843 Days

Day: 10.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 118.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,497,637 km

• M1: 149,299 km (0.048 R)
• M2: 678,277 km (0.093 R)
• M3: 1,154,596 km (0.032 R)
• M4: 1,547,141 km (0.112 R)
• M5: 2,096,165 km (0.092 R)
• M6: 2,522,220 km (0.112 R)
• M7: 3,023,373 km (0.1 R)
• M8: 4,337,590 km (0.097 R)
• M9: 5,160,528 km (0.108 R)
• M10: 5,702,521 km (0.081 R)
• M11: 6,660,546 km (0.072 R)
• M12: 7,399,410 km (0.106 R)
• M13: 12,522,090 km (0.079 R)
• M14: 13,312,565 km (0.074 R)
• M15: 13,744,304 km (0.065 R)
• M16: 16,261,887 km (0.119 R)
• M17: 17,830,869 km (0.115 R)
• M18: 18,652,311 km (0.097 R)
• M19: 20,433,872 km (0.038 R)
• M20: 21,660,874 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46

Radius: 10

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.33 AU - 5.47 AU

Year: 6260 Days

Day: 8.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,497,637 km

• M1: 124,765 km (0.047 R)
• M2: 468,989 km (0.033 R)
• M3: 1,127,220 km (0.116 R)
• M4: 1,491,042 km (0.104 R)
• M5: 2,054,727 km (0.066 R)
• M6: 2,592,980 km (0.076 R)
• M7: 3,395,722 km (0.118 R)
• M8: 4,041,536 km (0.091 R)
• M9: 4,587,867 km (0.097 R)
• M10: 7,039,627 km (0.081 R)
• M11: 11,201,440 km (0.071 R)
• M12: 14,172,603 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.5

Radius: 13.2

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.36 AU - 5.14 AU

Year: 7022 Days

Day: 13.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,497,637 km

• M1: 164,109 km (0.1 R)
• M2: 593,904 km (0.103 R)
• M3: 1,601,146 km (0.114 R)
• M4: 2,913,718 km (0.06 R)
• M5: 3,345,906 km (0.06 R)
• M6: 4,535,059 km (0.078 R)
• M7: 4,968,893 km (0.08 R)
• M8: 5,820,554 km (0.091 R)
• M9: 7,493,208 km (0.118 R)
• M10: 8,355,490 km (0.04 R)
• M11: 9,282,847 km (0.081 R)
• M12: 10,775,684 km (0.107 R)
• M13: 11,237,792 km (0.119 R)
• M14: 11,928,635 km (0.096 R)
• M15: 12,988,985 km (0.095 R)
• M16: 17,233,974 km (0.117 R)
• M17: 18,515,579 km (0.05 R)
• M18: 19,329,391 km (0.112 R)
• M19: 20,555,645 km (0.114 R)
• M20: 26,536,418 km (0.116 R)
• M21: 30,022,497 km (0.114 R)
• M22: 31,770,399 km (0.071 R)
• M23: 34,352,309 km (0.033 R)
• M24: 37,772,415 km (0.096 R)
• M25: 39,322,698 km (0.103 R)
• M26: 40,174,807 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.8

Radius: 9.6

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.09 AU - 5.31 AU

Year: 8043 Days

Day: 9 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,497,637 km

• M1: 119,379 km (0.107 R)
• M2: 484,697 km (0.061 R)
• M3: 837,000 km (0.105 R)
• M4: 1,149,211 km (0.114 R)
• M5: 2,430,666 km (0.103 R)
• M6: 2,957,550 km (0.107 R)
• M7: 3,282,327 km (0.03 R)
• M8: 4,213,574 km (0.068 R)
• M9: 6,376,160 km (0.062 R)
• M10: 8,658,426 km (0.062 R)
• M11: 11,280,876 km (0.05 R)
• M12: 12,575,795 km (0.086 R)
• M13: 13,086,074 km (0.103 R)
• M14: 14,638,152 km (0.073 R)
• M15: 20,334,390 km (0.07 R)
• M16: 22,163,822 km (0.088 R)
• M17: 22,575,665 km (0.12 R)
• M18: 23,329,638 km (0.091 R)
• M19: 29,184,151 km (0.088 R)
• M20: 34,607,822 km (0.115 R)
• M21: 41,037,239 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.8

Radius: 8.6

Gravity: 9.87 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.05 AU - 6.53 AU

Year: 8252 Days

Day: 6.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,497,637 km

• M1: 108,159 km (0.099 R)
• M2: 516,262 km (0.108 R)
• M3: 1,040,004 km (0.113 R)
• M4: 1,650,962 km (0.111 R)
• M5: 2,318,767 km (0.054 R)
• M6: 2,856,721 km (0.082 R)
• M7: 3,312,845 km (0.091 R)
• M8: 5,907,321 km (0.086 R)
• M9: 7,571,597 km (0.077 R)
• M10: 8,274,857 km (0.067 R)
• M11: 9,340,891 km (0.098 R)
• M12: 9,763,355 km (0.119 R)
• M13: 10,052,079 km (0.07 R)
• M14: 10,901,346 km (0.118 R)
• M15: 12,347,060 km (0.086 R)
• M16: 13,977,079 km (0.101 R)
• M17: 15,745,774 km (0.102 R)
• M18: 17,166,655 km (0.119 R)
• M19: 17,800,950 km (0.073 R)
• M20: 21,209,687 km (0.072 R)
• M21: 22,519,715 km (0.104 R)
• M22: 23,623,149 km (0.063 R)
• M23: 25,120,026 km (0.103 R)
• M24: 26,679,135 km (0.079 R)
• M25: 28,399,061 km (0.106 R)
• M26: 29,286,177 km (0.099 R)
• M27: 31,427,969 km (0.059 R)
• M28: 38,119,033 km (0.095 R)
• M29: 39,684,276 km (0.088 R)
• M30: 41,417,367 km (0.115 R)

Asteroid Belt

Center: 6.55 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245.9

Radius: 7.3

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 6.01 AU - 9.59 AU

Year: 14775 Days

Day: 16.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,497,637 km

• M1: 91,853 km (0.101 R)
• M2: 352,303 km (0.051 R)
• M3: 1,018,014 km (0.06 R)
• M4: 1,917,546 km (0.096 R)
• M5: 2,453,854 km (0.111 R)
• M6: 3,108,045 km (0.119 R)
• M7: 4,468,040 km (0.063 R)
• M8: 5,940,831 km (0.117 R)
• M9: 6,881,951 km (0.087 R)
• M10: 8,087,261 km (0.112 R)
• M11: 8,919,923 km (0.099 R)
• M12: 17,889,362 km (0.116 R)
• M13: 20,146,196 km (0.1 R)
• M14: 20,460,800 km (0.086 R)
• M15: 23,182,584 km (0.088 R)
• M16: 26,699,330 km (0.066 R)
• M17: 30,867,576 km (0.09 R)
• M18: 33,324,272 km (0.112 R)
• M19: 41,218,552 km (0.107 R)
• M20: 42,623,425 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.4

Radius: 3.8

Gravity: 53.98 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 7 AU - 8.74 AU

Year: 14975 Days

Day: 23.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,497,637 km

• M1: 48,619 km (0.106 R)
• M2: 234,719 km (0.025 R)
• M3: 547,678 km (0.085 R)
• M4: 688,749 km (0.085 R)
• M5: 885,919 km (0.049 R)
• M6: 1,033,572 km (0.097 R)
• M7: 1,279,062 km (0.06 R)
• M8: 1,849,927 km (0.077 R)
• M9: 2,035,129 km (0.106 R)
• M10: 2,619,758 km (0.072 R)
• M11: 2,950,818 km (0.098 R)
• M12: 3,282,476 km (0.06 R)
• M13: 4,299,293 km (0.1 R)
• M14: 5,001,057 km (0.041 R)
• M15: 5,397,641 km (0.067 R)
• M16: 6,212,500 km (0.103 R)
• M17: 6,885,990 km (0.116 R)
• M18: 7,514,151 km (0.039 R)
• M19: 8,780,497 km (0.101 R)
• M20: 9,197,127 km (0.069 R)
• M21: 9,410,304 km (0.097 R)
• M22: 10,239,226 km (0.103 R)
• M23: 12,620,226 km (0.096 R)
• M24: 19,035,581 km (0.083 R)
• M25: 20,445,840 km (0.112 R)
• M26: 21,829,920 km (0.104 R)
• M27: 22,209,300 km (0.064 R)
• M28: 26,247,994 km (0.095 R)
• M29: 28,103,306 km (0.12 R)
• M30: 41,387,597 km (0.105 R)
• M31: 46,343,476 km (0.065 R)
• M32: 50,515,760 km (0.089 R)
• M33: 53,033,044 km (0.112 R)
• M34: 56,517,926 km (0.115 R)
• M35: 61,084,700 km (0.117 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: 243 - 16,817 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit