🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.2

Radius: 9.5

Gravity: 9.85 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.25 AU - 2.77 AU

Year: 1816 Days

Day: 12.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,076,934 km

• M1: 119,379 km (0.11 R)
• M2: 468,092 km (0.115 R)
• M3: 1,299,407 km (0.071 R)
• M4: 1,696,589 km (0.096 R)
• M5: 2,017,327 km (0.047 R)
• M6: 2,624,695 km (0.071 R)
• M7: 3,120,612 km (0.074 R)
• M8: 3,537,092 km (0.071 R)
• M9: 4,182,308 km (0.106 R)
• M10: 4,502,597 km (0.1 R)
• M11: 4,904,117 km (0.111 R)
• M12: 6,101,499 km (0.118 R)
• M13: 6,647,531 km (0.057 R)
• M14: 7,197,453 km (0.062 R)
• M15: 9,431,847 km (0.093 R)
• M16: 10,055,670 km (0.061 R)
• M17: 13,336,351 km (0.1 R)
• M18: 14,617,507 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.3

Radius: 10.6

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.26 AU - 3.26 AU

Year: 2687 Days

Day: 9.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,076,934 km

• M1: 131,945 km (0.119 R)
• M2: 846,126 km (0.077 R)
• M3: 2,318,917 km (0.11 R)
• M4: 2,681,392 km (0.069 R)
• M5: 3,122,706 km (0.094 R)
• M6: 3,507,472 km (0.052 R)
• M7: 4,459,961 km (0.081 R)
• M8: 4,856,545 km (0.12 R)
• M9: 6,941,491 km (0.096 R)
• M10: 7,676,615 km (0.109 R)
• M11: 9,831,422 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.3

Radius: 12.7

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.12 AU - 4.42 AU

Year: 3342 Days

Day: 5.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 60,076,934 km

• M1: 158,574 km (0.074 R)
• M2: 607,667 km (0.052 R)
• M3: 2,763,222 km (0.059 R)
• M4: 3,164,294 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.1

Radius: 14

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.87 AU - 5.31 AU

Year: 4490 Days

Day: 7.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,076,934 km

• M1: 174,132 km (0.082 R)
• M2: 766,539 km (0.081 R)
• M3: 1,242,859 km (0.086 R)
• M4: 2,173,358 km (0.106 R)
• M5: 2,718,792 km (0.11 R)
• M6: 3,355,480 km (0.117 R)
• M7: 4,432,435 km (0.065 R)
• M8: 6,802,814 km (0.107 R)
• M9: 7,983,440 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.6

Radius: 10.1

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.97 AU - 5.95 AU

Year: 5043 Days

Day: 14.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,076,934 km

• M1: 128,056 km (0.12 R)
• M2: 514,018 km (0.06 R)
• M3: 834,158 km (0.107 R)
• M4: 1,394,252 km (0.098 R)
• M5: 1,738,477 km (0.075 R)
• M6: 3,001,980 km (0.06 R)
• M7: 7,184,887 km (0.111 R)
• M8: 7,974,165 km (0.088 R)
• M9: 8,488,034 km (0.119 R)
• M10: 8,955,527 km (0.1 R)
• M11: 13,427,157 km (0.115 R)
• M12: 18,581,103 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829

Radius: 8.4

Gravity: 11.75 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.25 AU - 5.85 AU

Year: 5181 Days

Day: 13.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,076,934 km

• M1: 104,569 km (0.043 R)
• M2: 468,690 km (0.085 R)
• M3: 848,968 km (0.045 R)
• M4: 1,339,350 km (0.099 R)
• M5: 1,624,184 km (0.077 R)
• M6: 1,892,712 km (0.094 R)
• M7: 2,883,499 km (0.077 R)
• M8: 3,158,011 km (0.036 R)
• M9: 5,219,470 km (0.052 R)
• M10: 6,092,074 km (0.086 R)
• M11: 11,083,856 km (0.032 R)
• M12: 11,468,023 km (0.075 R)
• M13: 12,935,279 km (0.108 R)
• M14: 13,961,969 km (0.083 R)
• M15: 14,867,934 km (0.079 R)
• M16: 15,632,379 km (0.118 R)
• M17: 17,367,714 km (0.116 R)
• M18: 20,419,661 km (0.114 R)
• M19: 22,872,766 km (0.063 R)
• M20: 23,732,356 km (0.11 R)
• M21: 25,765,840 km (0.11 R)
• M22: 26,101,687 km (0.097 R)
• M23: 26,610,768 km (0.1 R)
• M24: 26,953,946 km (0.081 R)
• M25: 27,736,792 km (0.093 R)
• M26: 28,000,981 km (0.094 R)
• M27: 28,624,206 km (0.11 R)
• M28: 31,976,246 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.6

Radius: 13.6

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.42 AU - 5.48 AU

Year: 5809 Days

Day: 7.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,076,934 km

• M1: 169,195 km (0.116 R)
• M2: 684,859 km (0.056 R)
• M3: 1,704,369 km (0.069 R)
• M4: 3,111,486 km (0.082 R)
• M5: 4,046,323 km (0.055 R)
• M6: 4,633,495 km (0.085 R)
• M7: 6,140,245 km (0.041 R)
• M8: 6,572,134 km (0.094 R)
• M9: 9,046,034 km (0.04 R)
• M10: 10,191,056 km (0.087 R)
• M11: 11,087,446 km (0.093 R)
• M12: 13,419,827 km (0.072 R)
• M13: 14,730,753 km (0.105 R)
• M14: 15,206,175 km (0.115 R)
• M15: 17,539,902 km (0.12 R)
• M16: 20,837,188 km (0.106 R)
• M17: 21,437,076 km (0.111 R)
• M18: 22,048,333 km (0.106 R)
• M19: 22,592,570 km (0.069 R)
• M20: 26,833,669 km (0.092 R)
• M21: 27,454,351 km (0.109 R)
• M22: 28,909,340 km (0.062 R)
• M23: 29,467,938 km (0.115 R)
• M24: 30,606,827 km (0.054 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.1

Radius: 8.1

Gravity: 12.06 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.45 AU - 8.47 AU

Year: 11235 Days

Day: 11.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,076,934 km

• M1: 100,679 km (0.106 R)
• M2: 588,967 km (0.101 R)
• M3: 1,121,685 km (0.065 R)
• M4: 1,701,227 km (0.119 R)
• M5: 2,032,586 km (0.116 R)
• M6: 2,486,915 km (0.03 R)
• M7: 2,804,212 km (0.084 R)
• M8: 3,922,157 km (0.096 R)
• M9: 6,100,003 km (0.068 R)
• M10: 6,443,928 km (0.091 R)
• M11: 6,720,236 km (0.105 R)
• M12: 7,212,413 km (0.093 R)
• M13: 7,553,645 km (0.094 R)
• M14: 8,085,765 km (0.12 R)
• M15: 8,501,198 km (0.064 R)
• M16: 8,833,904 km (0.094 R)
• M17: 9,936,889 km (0.105 R)
• M18: 10,253,139 km (0.082 R)
• M19: 13,472,335 km (0.041 R)
• M20: 14,793,135 km (0.095 R)
• M21: 15,136,313 km (0.087 R)
• M22: 15,625,797 km (0.049 R)
• M23: 16,053,796 km (0.034 R)
• M24: 22,531,683 km (0.033 R)
• M25: 23,539,973 km (0.083 R)
• M26: 24,673,925 km (0.118 R)
• M27: 25,745,046 km (0.054 R)
• M28: 28,399,361 km (0.057 R)
• M29: 28,823,321 km (0.03 R)
• M30: 39,647,026 km (0.111 R)
• M31: 41,657,472 km (0.104 R)
• M32: 44,584,953 km (0.102 R)
• M33: 47,945,519 km (0.118 R)
• M34: 49,917,668 km (0.117 R)
• M35: 53,056,530 km (0.075 R)

Asteroid Belt

Center: 8.86 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 817.5

Radius: 7

Gravity: 16.68 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.31 AU - 10.19 AU

Year: 12844 Days

Day: 21 Hours

Environment

Temp: -192 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,076,934 km

• M1: 87,066 km (0.11 R)
• M2: 403,017 km (0.074 R)
• M3: 1,058,555 km (0.119 R)
• M4: 2,507,859 km (0.087 R)
• M5: 3,028,160 km (0.083 R)
• M6: 3,537,242 km (0.086 R)
• M7: 3,897,623 km (0.109 R)
• M8: 4,282,389 km (0.064 R)
• M9: 5,409,160 km (0.092 R)
• M10: 6,763,021 km (0.114 R)
• M11: 7,101,710 km (0.075 R)
• M12: 7,407,189 km (0.065 R)
• M13: 10,792,439 km (0.064 R)
• M14: 12,282,883 km (0.054 R)
• M15: 12,533,459 km (0.106 R)
• M16: 14,592,823 km (0.069 R)
• M17: 15,016,036 km (0.07 R)
• M18: 17,570,120 km (0.117 R)
• M19: 19,623,351 km (0.094 R)
• M20: 20,139,015 km (0.067 R)
• M21: 21,107,661 km (0.092 R)
• M22: 22,014,972 km (0.089 R)
• M23: 22,384,928 km (0.064 R)
• M24: 23,232,849 km (0.119 R)
• M25: 24,693,223 km (0.116 R)
• M26: 27,049,838 km (0.068 R)
• M27: 27,903,444 km (0.071 R)
• M28: 30,229,541 km (0.088 R)
• M29: 31,148,670 km (0.045 R)
• M30: 31,498,131 km (0.077 R)
• M31: 33,406,102 km (0.079 R)
• M32: 34,017,957 km (0.098 R)
• M33: 39,318,808 km (0.099 R)
• M34: 40,690,322 km (0.089 R)
• M35: 48,965,627 km (0.111 R)
• M36: 52,501,522 km (0.074 R)
• M37: 58,825,922 km (0.095 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 19,177 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit