🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816

Radius: 10.7

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.57 AU - 0.73 AU

Year: 349 Days

Day: 5.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,968,825 km

• M1: 133,142 km (0.103 R)
• M2: 482,453 km (0.114 R)
• M3: 835,803 km (0.115 R)
• M4: 1,283,251 km (0.079 R)
• M5: 1,698,235 km (0.099 R)
• M6: 2,135,360 km (0.07 R)
• M7: 2,835,628 km (0.056 R)
• M8: 3,386,746 km (0.106 R)
• M9: 3,969,729 km (0.055 R)
• M10: 4,547,775 km (0.119 R)
• M11: 5,320,747 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.8

Radius: 13.3

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.99 AU - 1.41 AU

Year: 877 Days

Day: 7.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 68,968,825 km

• M1: 165,455 km (0.117 R)
• M2: 594,053 km (0.116 R)
• M3: 1,982,022 km (0.116 R)
• M4: 2,525,511 km (0.065 R)
• M5: 3,799,786 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.1

Radius: 8.6

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.28 AU - 1.32 AU

Year: 988 Days

Day: 14.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,968,825 km

• M1: 106,962 km (0.081 R)
• M2: 967,599 km (0.114 R)
• M3: 1,380,340 km (0.081 R)
• M4: 1,743,414 km (0.054 R)
• M5: 2,371,425 km (0.039 R)
• M6: 2,743,775 km (0.107 R)
• M7: 3,257,643 km (0.1 R)
• M8: 3,593,042 km (0.112 R)
• M9: 6,357,311 km (0.075 R)
• M10: 7,035,438 km (0.118 R)
• M11: 7,950,080 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.4

Radius: 13.2

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.35 AU - 1.57 AU

Year: 1176 Days

Day: 6.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,968,825 km

• M1: 164,109 km (0.069 R)
• M2: 592,258 km (0.083 R)
• M3: 1,046,138 km (0.075 R)
• M4: 1,516,922 km (0.116 R)
• M5: 2,153,312 km (0.11 R)
• M6: 2,579,067 km (0.063 R)
• M7: 3,162,349 km (0.085 R)
• M8: 4,391,745 km (0.118 R)
• M9: 4,826,775 km (0.038 R)
• M10: 5,631,013 km (0.025 R)
• M11: 6,668,026 km (0.086 R)
• M12: 7,116,969 km (0.116 R)
• M13: 7,586,108 km (0.101 R)
• M14: 9,058,899 km (0.12 R)
• M15: 10,681,138 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.2

Radius: 14.8

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.52 AU - 1.88 AU

Year: 1478 Days

Day: 6.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,968,825 km

• M1: 184,155 km (0.084 R)
• M2: 663,766 km (0.041 R)
• M3: 1,171,202 km (0.12 R)
• M4: 1,699,731 km (0.116 R)
• M5: 2,563,210 km (0.087 R)
• M6: 3,333,489 km (0.1 R)
• M7: 4,675,083 km (0.1 R)
• M8: 5,220,966 km (0.098 R)
• M9: 6,976,048 km (0.097 R)
• M10: 7,717,305 km (0.112 R)
• M11: 8,955,527 km (0.111 R)
• M12: 10,416,201 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.8

Radius: 12.8

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.44 AU - 2.12 AU

Year: 1584 Days

Day: 7 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,968,825 km

• M1: 159,172 km (0.096 R)
• M2: 762,351 km (0.114 R)
• M3: 1,420,133 km (0.094 R)
• M4: 1,949,410 km (0.111 R)
• M5: 2,609,286 km (0.097 R)
• M6: 4,009,971 km (0.11 R)
• M7: 5,245,649 km (0.093 R)
• M8: 5,731,394 km (0.085 R)
• M9: 7,041,422 km (0.095 R)
• M10: 7,983,440 km (0.113 R)
• M11: 8,570,612 km (0.115 R)
• M12: 10,606,339 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.4

Radius: 11.2

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.68 AU - 3.8 AU

Year: 4823 Days

Day: 5.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,968,825 km

• M1: 139,276 km (0.03 R)
• M2: 529,726 km (0.034 R)
• M3: 899,831 km (0.113 R)
• M4: 2,582,358 km (0.065 R)
• M5: 3,081,866 km (0.052 R)
• M6: 3,557,737 km (0.032 R)
• M7: 6,319,463 km (0.109 R)
• M8: 6,680,891 km (0.078 R)
• M9: 7,627,397 km (0.106 R)
• M10: 8,306,721 km (0.117 R)
• M11: 10,406,028 km (0.093 R)
• M12: 11,241,981 km (0.092 R)
• M13: 13,581,243 km (0.062 R)
• M14: 17,287,829 km (0.103 R)
• M15: 20,600,824 km (0.114 R)
• M16: 21,917,285 km (0.058 R)
• M17: 26,456,683 km (0.05 R)
• M18: 31,682,136 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.2

Radius: 12.6

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.75 AU - 4.79 AU

Year: 6947 Days

Day: 12.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,968,825 km

• M1: 178,321 km (0.048 R)
• M2: 961,017 km (0.085 R)
• M3: 1,379,292 km (0.09 R)
• M4: 2,095,417 km (0.086 R)
• M5: 2,605,845 km (0.103 R)
• M6: 4,216,266 km (0.117 R)
• M7: 4,977,420 km (0.091 R)
• M8: 5,502,210 km (0.097 R)
• M9: 6,271,143 km (0.107 R)
• M10: 7,380,411 km (0.109 R)
• M11: 8,231,772 km (0.112 R)
• M12: 10,033,679 km (0.096 R)
• M13: 11,337,873 km (0.028 R)
• M14: 16,126,351 km (0.079 R)
• M15: 17,141,074 km (0.103 R)
• M16: 22,612,915 km (0.095 R)
• M17: 23,284,909 km (0.067 R)
• M18: 24,845,514 km (0.071 R)
• M19: 31,269,845 km (0.089 R)
• M20: 34,696,234 km (0.106 R)
• M21: 36,614,677 km (0.082 R)
• M22: 39,442,077 km (0.076 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.2

Radius: 12

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.88 AU - 5.8 AU

Year: 8229 Days

Day: 8.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,968,825 km

• M1: 151,243 km (0.112 R)
• M2: 786,735 km (0.108 R)
• M3: 1,504,057 km (0.108 R)
• M4: 1,958,835 km (0.099 R)
• M5: 2,392,220 km (0.089 R)
• M6: 5,849,277 km (0.115 R)
• M7: 7,148,684 km (0.081 R)
• M8: 8,768,081 km (0.106 R)
• M9: 9,470,443 km (0.073 R)
• M10: 9,909,513 km (0.108 R)
• M11: 12,486,037 km (0.105 R)
• M12: 12,955,176 km (0.079 R)
• M13: 16,159,562 km (0.061 R)
• M14: 17,143,766 km (0.082 R)
• M15: 18,093,114 km (0.113 R)
• M16: 20,016,793 km (0.099 R)
• M17: 20,823,276 km (0.105 R)
• M18: 22,501,016 km (0.114 R)
• M19: 23,728,017 km (0.11 R)
• M20: 24,357,825 km (0.06 R)
• M21: 26,219,271 km (0.06 R)
• M22: 27,775,388 km (0.11 R)
• M23: 28,880,168 km (0.106 R)
• M24: 29,392,092 km (0.088 R)
• M25: 36,727,923 km (0.055 R)
• M26: 39,296,069 km (0.116 R)
• M27: 41,851,201 km (0.083 R)
• M28: 43,570,230 km (0.082 R)
• M29: 44,924,241 km (0.069 R)
• M30: 46,445,801 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.7

Radius: 7.6

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.83 AU - 12.35 AU

Year: 21373 Days

Day: 20.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,968,825 km

• M1: 124,765 km (0.063 R)
• M2: 463,604 km (0.114 R)
• M3: 741,557 km (0.079 R)
• M4: 1,862,643 km (0.106 R)
• M5: 2,226,764 km (0.063 R)
• M6: 3,499,094 km (0.1 R)
• M7: 3,844,067 km (0.114 R)
• M8: 4,275,058 km (0.056 R)
• M9: 4,669,847 km (0.111 R)
• M10: 5,052,818 km (0.077 R)
• M11: 5,307,433 km (0.109 R)
• M12: 6,454,699 km (0.117 R)
• M13: 6,798,475 km (0.107 R)
• M14: 8,755,515 km (0.078 R)
• M15: 9,123,675 km (0.083 R)
• M16: 10,232,644 km (0.044 R)
• M17: 12,516,854 km (0.032 R)
• M18: 14,096,458 km (0.093 R)
• M19: 15,727,673 km (0.093 R)
• M20: 16,668,494 km (0.097 R)
• M21: 16,990,429 km (0.088 R)
• M22: 18,319,306 km (0.076 R)
• M23: 19,626,792 km (0.102 R)
• M24: 20,624,460 km (0.072 R)
• M25: 24,434,269 km (0.112 R)
• M26: 26,558,858 km (0.074 R)
• M27: 28,344,907 km (0.026 R)
• M28: 29,267,178 km (0.098 R)
• M29: 29,618,284 km (0.091 R)
• M30: 34,701,021 km (0.113 R)
• M31: 35,623,292 km (0.083 R)
• M32: 37,792,461 km (0.111 R)
• M33: 40,625,695 km (0.099 R)
• M34: 50,471,479 km (0.091 R)
• M35: 57,483,131 km (0.111 R)
• M36: 61,220,685 km (0.111 R)
• M37: 67,125,911 km (0.12 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 19,793 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit