🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.3

Radius: 9.7

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.98 AU - 1.46 AU

Year: 914 Days

Day: 12.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,461,415 km

• M1: 120,875 km (0.11 R)
• M2: 641,924 km (0.112 R)
• M3: 2,278,226 km (0.12 R)
• M4: 2,644,741 km (0.09 R)
• M5: 3,533,053 km (0.069 R)
• M6: 4,052,756 km (0.108 R)
• M7: 4,440,813 km (0.12 R)
• M8: 5,137,789 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.6

Radius: 11.5

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.02 AU - 4.16 AU

Year: 4614 Days

Day: 14 Hours

Environment

Temp: -207 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,461,415 km

• M1: 143,016 km (0.055 R)
• M2: 569,220 km (0.092 R)
• M3: 1,259,614 km (0.032 R)
• M4: 1,959,732 km (0.095 R)
• M5: 2,497,686 km (0.117 R)
• M6: 4,378,580 km (0.07 R)
• M7: 6,060,958 km (0.118 R)
• M8: 7,602,713 km (0.085 R)
• M9: 8,074,096 km (0.075 R)
• M10: 8,564,927 km (0.07 R)
• M11: 9,215,079 km (0.09 R)
• M12: 12,405,553 km (0.101 R)
• M13: 14,248,898 km (0.027 R)
• M14: 18,359,698 km (0.057 R)
• M15: 18,980,679 km (0.073 R)
• M16: 19,499,035 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.4

Radius: 14.4

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.45 AU - 4.69 AU

Year: 6626 Days

Day: 9.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,461,415 km

• M1: 179,218 km (0.065 R)
• M2: 635,941 km (0.113 R)
• M3: 1,097,899 km (0.055 R)
• M4: 1,633,609 km (0.1 R)
• M5: 2,260,573 km (0.06 R)
• M6: 3,957,163 km (0.076 R)
• M7: 4,840,389 km (0.041 R)
• M8: 5,406,317 km (0.074 R)
• M9: 5,916,895 km (0.079 R)
• M10: 6,707,669 km (0.105 R)
• M11: 7,964,441 km (0.088 R)
• M12: 10,792,439 km (0.077 R)
• M13: 11,868,347 km (0.097 R)
• M14: 13,184,210 km (0.031 R)
• M15: 16,830,957 km (0.091 R)
• M16: 21,732,531 km (0.09 R)
• M17: 24,293,198 km (0.047 R)
• M18: 31,309,937 km (0.038 R)
• M19: 34,785,394 km (0.101 R)
• M20: 38,510,381 km (0.092 R)
• M21: 39,097,104 km (0.103 R)
• M22: 40,048,248 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 419.1

Radius: 6.2

Gravity: 10.9 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.05 AU - 6.57 AU

Year: 10751 Days

Day: 15.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 112.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,461,415 km

• M1: 77,342 km (0.084 R)
• M2: 347,067 km (0.102 R)
• M3: 1,262,905 km (0.102 R)
• M4: 1,540,409 km (0.118 R)
• M5: 1,767,349 km (0.097 R)
• M6: 2,149,871 km (0.05 R)
• M7: 3,303,420 km (0.119 R)
• M8: 3,808,163 km (0.062 R)
• M9: 5,184,763 km (0.108 R)
• M10: 6,210,107 km (0.115 R)
• M11: 6,715,000 km (0.116 R)
• M12: 7,324,910 km (0.06 R)
• M13: 7,603,162 km (0.098 R)
• M14: 9,944,070 km (0.096 R)
• M15: 13,128,560 km (0.118 R)
• M16: 13,658,435 km (0.111 R)
• M17: 15,269,305 km (0.115 R)
• M18: 16,187,088 km (0.071 R)
• M19: 18,937,295 km (0.109 R)
• M20: 20,776,003 km (0.113 R)
• M21: 24,099,768 km (0.075 R)
• M22: 25,251,971 km (0.105 R)
• M23: 25,979,017 km (0.078 R)
• M24: 27,190,011 km (0.093 R)
• M25: 28,243,779 km (0.079 R)
• M26: 28,438,256 km (0.063 R)
• M27: 29,225,141 km (0.105 R)
• M28: 32,518,089 km (0.081 R)
• M29: 33,704,849 km (0.101 R)
• M30: 36,393,721 km (0.109 R)
• M31: 38,263,844 km (0.092 R)
• M32: 39,707,763 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.7

Radius: 7

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.98 AU - 7.76 AU

Year: 10904 Days

Day: 15.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,461,415 km

• M1: 88,263 km (0.053 R)
• M2: 327,619 km (0.036 R)
• M3: 585,376 km (0.088 R)
• M4: 813,064 km (0.059 R)
• M5: 1,711,699 km (0.069 R)
• M6: 2,777,733 km (0.032 R)
• M7: 4,556,153 km (0.12 R)
• M8: 7,595,383 km (0.085 R)
• M9: 9,461,168 km (0.11 R)
• M10: 10,257,627 km (0.078 R)
• M11: 11,456,803 km (0.076 R)
• M12: 18,024,599 km (0.068 R)
• M13: 20,291,605 km (0.059 R)
• M14: 21,851,163 km (0.077 R)
• M15: 25,295,055 km (0.061 R)
• M16: 25,917,083 km (0.091 R)
• M17: 27,563,408 km (0.109 R)
• M18: 37,419,963 km (0.095 R)
• M19: 37,649,446 km (0.082 R)
• M20: 38,576,953 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.2

Radius: 4.1

Gravity: 50.04 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.43 AU - 7.47 AU

Year: 11110 Days

Day: 15.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,461,415 km

• M1: 56,698 km (0.069 R)
• M2: 189,391 km (0.089 R)
• M3: 446,400 km (0.034 R)
• M4: 811,419 km (0.092 R)
• M5: 963,111 km (0.066 R)
• M6: 1,337,854 km (0.117 R)
• M7: 1,786,797 km (0.061 R)
• M8: 1,992,195 km (0.079 R)
• M9: 2,194,152 km (0.05 R)
• M10: 3,814,746 km (0.114 R)
• M11: 5,131,057 km (0.072 R)
• M12: 5,405,569 km (0.112 R)
• M13: 10,292,483 km (0.078 R)
• M14: 11,697,506 km (0.095 R)
• M15: 15,651,976 km (0.074 R)
• M16: 17,044,882 km (0.118 R)
• M17: 17,272,271 km (0.082 R)
• M18: 22,524,203 km (0.044 R)
• M19: 25,361,776 km (0.116 R)
• M20: 27,692,062 km (0.111 R)
• M21: 35,163,727 km (0.039 R)
• M22: 36,151,522 km (0.072 R)
• M23: 41,917,473 km (0.041 R)
• M24: 42,887,914 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.7

Radius: 3.5

Gravity: 14.34 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 8.36 AU - 11.96 AU

Year: 21965 Days

Day: 21.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 51,461,415 km

• M1: 43,533 km (0.057 R)
• M2: 170,093 km (0.061 R)
• M3: 287,378 km (0.115 R)
• M4: 781,350 km (0.12 R)
• M5: 1,022,202 km (0.106 R)
• M6: 1,744,162 km (0.08 R)
• M7: 2,502,922 km (0.05 R)
• M8: 3,236,550 km (0.078 R)
• M9: 3,798,739 km (0.053 R)
• M10: 4,635,888 km (0.12 R)
• M11: 4,855,049 km (0.092 R)
• M12: 5,246,697 km (0.047 R)
• M13: 5,554,120 km (0.119 R)
• M14: 6,985,173 km (0.06 R)
• M15: 9,767,694 km (0.064 R)
• M16: 10,765,661 km (0.11 R)
• M17: 11,149,828 km (0.113 R)
• M18: 11,887,496 km (0.102 R)
• M19: 12,003,733 km (0.088 R)
• M20: 13,023,243 km (0.059 R)
• M21: 13,459,320 km (0.071 R)
• M22: 14,492,593 km (0.11 R)
• M23: 17,156,033 km (0.076 R)
• M24: 17,983,908 km (0.068 R)
• M25: 22,260,163 km (0.101 R)
• M26: 24,443,993 km (0.096 R)
• M27: 25,394,538 km (0.086 R)
• M28: 25,781,547 km (0.088 R)
• M29: 29,870,656 km (0.085 R)
• M30: 35,083,393 km (0.111 R)
• M31: 38,662,971 km (0.109 R)
• M32: 39,046,540 km (0.097 R)
• M33: 45,109,592 km (0.093 R)
• M34: 45,819,733 km (0.06 R)
• M35: 46,393,142 km (0.111 R)
• M36: 46,681,567 km (0.056 R)
• M37: 49,032,647 km (0.116 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: 235 - 17,981 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit