🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.3

Radius: 13.4

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.67 AU - 1.03 AU

Year: 514 Days

Day: 9.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,297,436 km

• M1: 166,652 km (0.096 R)
• M2: 610,060 km (0.102 R)
• M3: 1,108,969 km (0.072 R)
• M4: 1,562,101 km (0.097 R)
• M5: 2,409,872 km (0.068 R)
• M6: 3,029,207 km (0.082 R)
• M7: 3,584,215 km (0.077 R)
• M8: 4,009,821 km (0.09 R)
• M9: 4,712,333 km (0.115 R)
• M10: 5,686,813 km (0.12 R)
• M11: 6,175,849 km (0.113 R)
• M12: 6,614,470 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.3

Radius: 9.7

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3 AU - 3.46 AU

Year: 3808 Days

Day: 14.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,297,436 km

• M1: 128,056 km (0.115 R)
• M2: 430,543 km (0.057 R)
• M3: 1,005,298 km (0.095 R)
• M4: 1,643,183 km (0.107 R)
• M5: 1,984,416 km (0.066 R)
• M6: 2,398,951 km (0.037 R)
• M7: 3,224,582 km (0.093 R)
• M8: 4,750,929 km (0.091 R)
• M9: 5,203,612 km (0.107 R)
• M10: 5,756,077 km (0.102 R)
• M11: 6,657,404 km (0.074 R)
• M12: 7,854,187 km (0.058 R)
• M13: 8,488,333 km (0.041 R)
• M14: 9,026,287 km (0.052 R)
• M15: 11,752,708 km (0.083 R)
• M16: 12,582,228 km (0.042 R)
• M17: 13,791,428 km (0.114 R)
• M18: 14,313,823 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.6

Radius: 10.3

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.22 AU - 5.16 AU

Year: 5626 Days

Day: 7.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 104.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,297,436 km

• M1: 128,056 km (0.114 R)
• M2: 818,300 km (0.105 R)
• M3: 1,177,186 km (0.079 R)
• M4: 1,723,068 km (0.112 R)
• M5: 2,295,579 km (0.076 R)
• M6: 2,645,489 km (0.092 R)
• M7: 3,092,188 km (0.068 R)
• M8: 4,472,677 km (0.101 R)
• M9: 5,109,665 km (0.06 R)
• M10: 5,495,777 km (0.055 R)
• M11: 5,997,678 km (0.113 R)
• M12: 6,913,965 km (0.114 R)
• M13: 8,895,688 km (0.036 R)
• M14: 9,456,081 km (0.117 R)
• M15: 11,629,888 km (0.086 R)
• M16: 12,725,543 km (0.082 R)
• M17: 14,002,809 km (0.09 R)
• M18: 14,940,489 km (0.079 R)
• M19: 16,044,820 km (0.101 R)
• M20: 17,869,765 km (0.079 R)
• M21: 18,209,502 km (0.095 R)
• M22: 18,902,289 km (0.085 R)
• M23: 20,710,928 km (0.081 R)
• M24: 22,790,787 km (0.095 R)
• M25: 23,433,010 km (0.1 R)
• M26: 25,948,798 km (0.085 R)
• M27: 26,914,751 km (0.115 R)
• M28: 27,271,991 km (0.032 R)
• M29: 32,610,241 km (0.042 R)
• M30: 33,734,918 km (0.066 R)
• M31: 35,203,521 km (0.086 R)
• M32: 35,953,604 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.3

Radius: 6.3

Gravity: 19 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.97 AU - 9.63 AU

Year: 14291 Days

Day: 23.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,297,436 km

• M1: 78,539 km (0.094 R)
• M2: 330,462 km (0.114 R)
• M3: 543,339 km (0.068 R)
• M4: 882,029 km (0.11 R)
• M5: 1,232,387 km (0.108 R)
• M6: 1,592,320 km (0.114 R)
• M7: 1,946,867 km (0.111 R)
• M8: 2,152,863 km (0.079 R)
• M9: 2,860,760 km (0.119 R)
• M10: 3,439,105 km (0.087 R)
• M11: 3,741,892 km (0.081 R)
• M12: 4,464,748 km (0.087 R)
• M13: 4,725,198 km (0.09 R)
• M14: 4,961,413 km (0.103 R)
• M15: 5,205,557 km (0.092 R)
• M16: 5,605,283 km (0.105 R)
• M17: 5,870,370 km (0.117 R)
• M18: 7,233,805 km (0.111 R)
• M19: 7,457,304 km (0.109 R)
• M20: 7,778,192 km (0.067 R)
• M21: 9,310,672 km (0.079 R)
• M22: 10,570,436 km (0.098 R)
• M23: 11,330,842 km (0.112 R)
• M24: 15,244,472 km (0.117 R)
• M25: 15,538,432 km (0.077 R)
• M26: 18,192,298 km (0.058 R)
• M27: 22,149,461 km (0.08 R)
• M28: 26,964,268 km (0.037 R)
• M29: 27,394,362 km (0.053 R)
• M30: 28,379,015 km (0.097 R)
• M31: 30,418,633 km (0.06 R)
• M32: 32,675,317 km (0.071 R)
• M33: 36,988,223 km (0.088 R)
• M34: 37,386,004 km (0.034 R)
• M35: 40,531,449 km (0.039 R)
• M36: 53,683,794 km (0.083 R)
• M37: 57,498,989 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 974.3

Radius: 3.5

Gravity: 79.53 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7.85 AU - 8.53 AU

Year: 15376 Days

Day: 23.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,297,436 km

• M1: 83,027 km (0.091 R)
• M2: 290,669 km (0.073 R)
• M3: 441,463 km (0.042 R)
• M4: 643,869 km (0.081 R)
• M5: 818,151 km (0.051 R)
• M6: 928,105 km (0.079 R)
• M7: 1,191,996 km (0.108 R)
• M8: 1,536,071 km (0.061 R)
• M9: 2,120,101 km (0.05 R)
• M10: 2,889,184 km (0.1 R)
• M11: 3,200,347 km (0.09 R)
• M12: 3,591,097 km (0.111 R)
• M13: 3,950,581 km (0.058 R)
• M14: 5,709,852 km (0.064 R)
• M15: 6,496,587 km (0.086 R)
• M16: 7,352,885 km (0.067 R)
• M17: 8,435,375 km (0.053 R)
• M18: 11,281,624 km (0.096 R)
• M19: 14,046,193 km (0.11 R)
• M20: 18,681,184 km (0.085 R)
• M21: 20,770,318 km (0.117 R)
• M22: 21,725,351 km (0.109 R)
• M23: 22,312,223 km (0.053 R)
• M24: 32,935,617 km (0.119 R)
• M25: 37,621,471 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 975.2

Radius: 5.4

Gravity: 33.44 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 8.41 AU - 12.59 AU

Year: 22320 Days

Day: 21.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,297,436 km

• M1: 68,366 km (0.096 R)
• M2: 444,156 km (0.12 R)
• M3: 688,449 km (0.074 R)
• M4: 1,647,521 km (0.098 R)
• M5: 2,429,769 km (0.089 R)
• M6: 3,434,767 km (0.09 R)
• M7: 3,652,282 km (0.119 R)
• M8: 5,318,803 km (0.111 R)
• M9: 6,692,261 km (0.081 R)
• M10: 8,067,813 km (0.113 R)
• M11: 10,501,172 km (0.108 R)
• M12: 14,238,426 km (0.105 R)
• M13: 20,547,268 km (0.056 R)
• M14: 21,999,713 km (0.104 R)
• M15: 22,750,994 km (0.099 R)
• M16: 29,775,960 km (0.099 R)
• M17: 43,403,429 km (0.116 R)
• M18: 49,701,948 km (0.101 R)
• M19: 55,394,596 km (0.097 R)
• M20: 64,506,602 km (0.111 R)
• M21: 68,052,969 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.9

Radius: 7.9

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 8.07 AU - 13.45 AU

Year: 23154 Days

Day: 24.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 78,297,436 km

• M1: 99,034 km (0.082 R)
• M2: 372,798 km (0.091 R)
• M3: 908,358 km (0.113 R)
• M4: 1,165,816 km (0.056 R)
• M5: 1,946,867 km (0.093 R)
• M6: 2,660,748 km (0.089 R)
• M7: 2,959,943 km (0.079 R)
• M8: 3,393,927 km (0.032 R)
• M9: 4,189,189 km (0.028 R)
• M10: 8,011,564 km (0.081 R)
• M11: 8,479,058 km (0.044 R)
• M12: 9,186,057 km (0.097 R)
• M13: 9,640,386 km (0.106 R)
• M14: 10,349,929 km (0.088 R)
• M15: 10,717,491 km (0.081 R)
• M16: 10,967,319 km (0.075 R)
• M17: 12,275,552 km (0.03 R)
• M18: 13,757,768 km (0.047 R)
• M19: 14,810,040 km (0.117 R)
• M20: 17,073,904 km (0.114 R)
• M21: 17,501,156 km (0.114 R)
• M22: 18,111,216 km (0.097 R)
• M23: 22,274,973 km (0.073 R)
• M24: 23,935,061 km (0.108 R)
• M25: 25,675,782 km (0.101 R)
• M26: 40,739,839 km (0.054 R)
• M27: 54,302,381 km (0.115 R)
• M28: 55,040,647 km (0.09 R)
• M29: 60,792,685 km (0.108 R)
• M30: 65,256,686 km (0.101 R)
• M31: 65,882,005 km (0.102 R)
• M32: 69,717,245 km (0.083 R)
• M33: 72,132,802 km (0.088 R)
• M34: 73,698,643 km (0.066 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: 328 - 19,451 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit