🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.2

Radius: 9.4

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.44 AU - 0.58 AU

Year: 247 Days

Day: 11.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,666,150 km

• M1: 116,986 km (0.094 R)
• M2: 409,749 km (0.047 R)
• M3: 730,038 km (0.081 R)
• M4: 1,086,380 km (0.076 R)
• M5: 1,500,616 km (0.093 R)
• M6: 1,854,116 km (0.094 R)
• M7: 2,407,628 km (0.09 R)
• M8: 2,788,804 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.7

Radius: 12.5

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.53 AU - 0.75 AU

Year: 347 Days

Day: 14.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,666,150 km

• M1: 156,180 km (0.057 R)
• M2: 566,527 km (0.107 R)
• M3: 1,336,657 km (0.047 R)
• M4: 2,177,098 km (0.072 R)
• M5: 2,674,062 km (0.096 R)
• M6: 3,387,943 km (0.09 R)
• M7: 3,838,681 km (0.093 R)
• M8: 4,652,045 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.1

Radius: 8.6

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.64 AU - 0.82 AU

Year: 423 Days

Day: 6.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 30,666,150 km

• M1: 112,647 km (0.058 R)
• M2: 418,724 km (0.097 R)
• M3: 940,971 km (0.111 R)
• M4: 1,523,355 km (0.065 R)
• M5: 1,849,030 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.5

Radius: 9.4

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.71 AU - 0.91 AU

Year: 494 Days

Day: 14 Hours

Environment

Temp: -164 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,666,150 km

• M1: 116,836 km (0.062 R)
• M2: 479,910 km (0.116 R)
• M3: 934,388 km (0.068 R)
• M4: 1,272,779 km (0.101 R)
• M5: 1,657,395 km (0.108 R)
• M6: 2,153,611 km (0.118 R)
• M7: 3,613,985 km (0.117 R)
• M8: 3,997,853 km (0.113 R)
• M9: 4,366,612 km (0.091 R)
• M10: 4,743,150 km (0.086 R)
• M11: 5,062,841 km (0.036 R)
• M12: 5,644,776 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.3

Radius: 11.7

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.77 AU - 1.03 AU

Year: 579 Days

Day: 8.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,666,150 km

• M1: 145,559 km (0.093 R)
• M2: 510,129 km (0.106 R)
• M3: 956,230 km (0.051 R)
• M4: 1,420,133 km (0.114 R)
• M5: 1,795,174 km (0.043 R)
• M6: 2,227,811 km (0.11 R)
• M7: 2,675,558 km (0.118 R)
• M8: 3,062,418 km (0.116 R)
• M9: 3,434,917 km (0.103 R)
• M10: 3,893,883 km (0.089 R)
• M11: 4,486,291 km (0.07 R)
• M12: 5,612,912 km (0.09 R)
• M13: 6,040,463 km (0.117 R)
• M14: 6,815,380 km (0.057 R)
• M15: 7,259,386 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.8

Radius: 14.9

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.92 AU - 1.06 AU

Year: 668 Days

Day: 5.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,666,150 km

• M1: 185,352 km (0.097 R)
• M2: 714,330 km (0.12 R)
• M3: 1,343,090 km (0.081 R)
• M4: 1,810,733 km (0.109 R)
• M5: 2,850,438 km (0.099 R)
• M6: 3,316,136 km (0.091 R)
• M7: 3,833,146 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650

Radius: 13.2

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.07 AU - 1.37 AU

Year: 914 Days

Day: 5.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,666,150 km

• M1: 164,258 km (0.041 R)
• M2: 628,461 km (0.062 R)
• M3: 1,276,070 km (0.084 R)
• M4: 2,696,352 km (0.111 R)
• M5: 4,174,529 km (0.106 R)
• M6: 5,156,040 km (0.059 R)
• M7: 6,853,078 km (0.107 R)
• M8: 7,502,184 km (0.04 R)
• M9: 8,015,753 km (0.042 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.1

Radius: 10.5

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.69 AU - 2.39 AU

Year: 1976 Days

Day: 8.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,666,150 km

• M1: 130,599 km (0.082 R)
• M2: 547,977 km (0.099 R)
• M3: 1,079,199 km (0.105 R)
• M4: 1,735,186 km (0.102 R)
• M5: 2,281,966 km (0.108 R)
• M6: 3,132,131 km (0.071 R)
• M7: 3,889,545 km (0.116 R)
• M8: 5,076,753 km (0.085 R)
• M9: 5,717,032 km (0.06 R)
• M10: 6,626,138 km (0.081 R)
• M11: 7,659,112 km (0.117 R)
• M12: 8,026,225 km (0.107 R)
• M13: 8,469,483 km (0.112 R)
• M14: 8,895,688 km (0.119 R)
• M15: 10,445,372 km (0.112 R)
• M16: 11,128,586 km (0.073 R)
• M17: 11,881,811 km (0.118 R)
• M18: 12,924,209 km (0.095 R)
• M19: 13,622,681 km (0.095 R)
• M20: 14,484,515 km (0.064 R)
• M21: 14,811,087 km (0.076 R)
• M22: 16,166,892 km (0.066 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.4

Radius: 12

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.2 AU - 4.98 AU

Year: 5610 Days

Day: 10.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,666,150 km

• M1: 149,747 km (0.079 R)
• M2: 523,593 km (0.106 R)
• M3: 1,086,829 km (0.1 R)
• M4: 1,592,918 km (0.077 R)
• M5: 2,159,146 km (0.097 R)
• M6: 3,144,547 km (0.085 R)
• M7: 7,521,931 km (0.113 R)
• M8: 8,519,898 km (0.088 R)
• M9: 9,985,359 km (0.112 R)
• M10: 12,990,331 km (0.039 R)
• M11: 13,887,021 km (0.109 R)
• M12: 15,283,068 km (0.051 R)
• M13: 16,444,097 km (0.086 R)
• M14: 17,157,230 km (0.081 R)
• M15: 19,000,575 km (0.052 R)
• M16: 20,972,574 km (0.1 R)
• M17: 22,140,036 km (0.086 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.2

Radius: 10.6

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.63 AU - 5.51 AU

Year: 7743 Days

Day: 7.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,666,150 km

• M1: 159,621 km (0.113 R)
• M2: 1,041,500 km (0.046 R)
• M3: 1,474,885 km (0.09 R)
• M4: 3,835,241 km (0.091 R)
• M5: 6,661,444 km (0.077 R)
• M6: 8,211,427 km (0.079 R)
• M7: 8,990,383 km (0.063 R)
• M8: 10,032,332 km (0.069 R)
• M9: 11,339,818 km (0.094 R)
• M10: 11,961,397 km (0.082 R)
• M11: 13,065,130 km (0.114 R)
• M12: 17,402,272 km (0.115 R)
• M13: 19,757,391 km (0.113 R)
• M14: 24,141,955 km (0.12 R)
• M15: 24,613,188 km (0.061 R)
• M16: 25,090,555 km (0.115 R)
• M17: 29,223,794 km (0.05 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 13,913 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit