🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.9

Radius: 13.5

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.57 AU - 0.79 AU

Year: 387 Days

Day: 5.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,740,579 km

• M1: 167,998 km (0.116 R)
• M2: 654,790 km (0.114 R)
• M3: 1,189,004 km (0.117 R)
• M4: 1,732,044 km (0.096 R)
• M5: 3,484,134 km (0.098 R)
• M6: 4,301,388 km (0.11 R)
• M7: 4,777,857 km (0.098 R)
• M8: 5,479,022 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.7

Radius: 10

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.11 AU - 2.69 AU

Year: 2566 Days

Day: 7.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,740,579 km

• M1: 124,316 km (0.088 R)
• M2: 558,150 km (0.075 R)
• M3: 1,010,384 km (0.084 R)
• M4: 1,541,756 km (0.091 R)
• M5: 2,305,902 km (0.116 R)
• M6: 3,148,886 km (0.094 R)
• M7: 3,707,783 km (0.089 R)
• M8: 4,591,607 km (0.12 R)
• M9: 6,024,905 km (0.049 R)
• M10: 6,516,334 km (0.069 R)
• M11: 7,064,011 km (0.079 R)
• M12: 8,996,816 km (0.119 R)
• M13: 10,700,137 km (0.104 R)
• M14: 13,051,965 km (0.082 R)
• M15: 14,444,123 km (0.106 R)
• M16: 16,980,705 km (0.106 R)
• M17: 17,412,444 km (0.107 R)
• M18: 18,694,648 km (0.092 R)
• M19: 19,446,526 km (0.066 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.6

Radius: 5.1

Gravity: 31.7 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.44 AU - 8.76 AU

Year: 13059 Days

Day: 15.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,740,579 km

• M1: 63,429 km (0.119 R)
• M2: 260,749 km (0.058 R)
• M3: 1,048,980 km (0.11 R)
• M4: 1,501,963 km (0.088 R)
• M5: 1,858,903 km (0.118 R)
• M6: 2,974,305 km (0.093 R)
• M7: 4,076,243 km (0.08 R)
• M8: 5,871,716 km (0.117 R)
• M9: 7,135,669 km (0.112 R)
• M10: 8,327,365 km (0.056 R)
• M11: 8,970,337 km (0.113 R)
• M12: 9,914,599 km (0.075 R)
• M13: 10,243,565 km (0.066 R)
• M14: 11,039,425 km (0.095 R)
• M15: 13,142,472 km (0.053 R)
• M16: 14,012,683 km (0.077 R)
• M17: 14,496,931 km (0.04 R)
• M18: 16,621,969 km (0.067 R)
• M19: 18,203,069 km (0.085 R)
• M20: 24,128,491 km (0.075 R)
• M21: 26,149,708 km (0.103 R)
• M22: 32,885,950 km (0.112 R)
• M23: 34,359,041 km (0.078 R)
• M24: 35,492,244 km (0.048 R)
• M25: 36,261,477 km (0.089 R)
• M26: 41,111,888 km (0.057 R)
• M27: 41,676,022 km (0.113 R)
• M28: 42,675,934 km (0.099 R)
• M29: 43,254,280 km (0.054 R)
• M30: 44,574,930 km (0.088 R)
• M31: 45,470,123 km (0.118 R)
• M32: 50,447,693 km (0.096 R)
• M33: 57,339,817 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 562.7

Radius: 6.3

Gravity: 14.18 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.24 AU - 8.68 AU

Year: 14064 Days

Day: 25 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,740,579 km

• M1: 78,389 km (0.108 R)
• M2: 411,993 km (0.081 R)
• M3: 2,119,054 km (0.071 R)
• M4: 3,816,541 km (0.106 R)
• M5: 4,710,388 km (0.114 R)
• M6: 6,739,534 km (0.083 R)
• M7: 9,543,297 km (0.093 R)
• M8: 11,753,755 km (0.09 R)
• M9: 15,603,956 km (0.12 R)
• M10: 20,475,610 km (0.114 R)
• M11: 23,067,094 km (0.068 R)
• M12: 24,393,130 km (0.118 R)
• M13: 28,782,481 km (0.105 R)
• M14: 28,998,650 km (0.08 R)
• M15: 31,676,900 km (0.05 R)
• M16: 33,910,696 km (0.117 R)
• M17: 34,637,293 km (0.041 R)
• M18: 41,238,598 km (0.083 R)
• M19: 55,846,980 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.9

Radius: 3.2

Gravity: 31.14 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.53 AU - 8.99 AU

Year: 14921 Days

Day: 20.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 77,740,579 km

• M1: 39,943 km (0.04 R)
• M2: 187,596 km (0.044 R)
• M3: 331,958 km (0.081 R)
• M4: 718,219 km (0.077 R)
• M5: 911,500 km (0.106 R)
• M6: 1,348,475 km (0.099 R)
• M7: 2,153,761 km (0.104 R)
• M8: 2,678,400 km (0.117 R)
• M9: 3,504,031 km (0.113 R)
• M10: 4,515,761 km (0.106 R)
• M11: 5,071,966 km (0.117 R)
• M12: 5,918,541 km (0.117 R)
• M13: 7,214,956 km (0.076 R)
• M14: 7,972,669 km (0.114 R)
• M15: 8,968,841 km (0.105 R)
• M16: 9,693,792 km (0.09 R)
• M17: 11,095,674 km (0.111 R)
• M18: 11,873,134 km (0.107 R)
• M19: 12,686,348 km (0.119 R)
• M20: 14,487,507 km (0.115 R)
• M21: 14,880,201 km (0.085 R)
• M22: 17,241,304 km (0.093 R)
• M23: 17,905,668 km (0.119 R)
• M24: 20,000,936 km (0.089 R)
• M25: 20,324,666 km (0.116 R)
• M26: 21,910,104 km (0.085 R)
• M27: 22,601,546 km (0.098 R)
• M28: 23,129,626 km (0.118 R)
• M29: 24,578,033 km (0.038 R)
• M30: 27,256,134 km (0.118 R)
• M31: 27,554,133 km (0.119 R)
• M32: 32,510,460 km (0.066 R)
• M33: 32,845,559 km (0.116 R)
• M34: 34,324,483 km (0.081 R)
• M35: 34,671,999 km (0.055 R)
• M36: 34,788,386 km (0.107 R)
• M37: 38,650,405 km (0.1 R)
• M38: 38,900,832 km (0.107 R)
• M39: 39,278,567 km (0.097 R)
• M40: 40,041,216 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.1

Radius: 7.5

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 7.77 AU - 11.45 AU

Year: 20563 Days

Day: 16.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 77,740,579 km

• M1: 94,097 km (0.1 R)
• M2: 488,437 km (0.084 R)
• M3: 931,396 km (0.117 R)
• M4: 1,621,641 km (0.088 R)
• M5: 2,340,010 km (0.107 R)
• M6: 3,337,528 km (0.08 R)
• M7: 3,596,632 km (0.055 R)
• M8: 5,175,338 km (0.051 R)
• M9: 6,617,761 km (0.034 R)
• M10: 7,601,965 km (0.104 R)
• M11: 7,849,999 km (0.105 R)
• M12: 8,626,860 km (0.107 R)
• M13: 9,006,540 km (0.109 R)
• M14: 10,332,725 km (0.084 R)
• M15: 13,656,490 km (0.1 R)
• M16: 14,023,604 km (0.112 R)
• M17: 16,531,911 km (0.048 R)
• M18: 17,544,988 km (0.099 R)
• M19: 18,242,862 km (0.066 R)
• M20: 19,050,092 km (0.112 R)
• M21: 22,927,818 km (0.11 R)
• M22: 23,551,492 km (0.119 R)
• M23: 26,726,258 km (0.102 R)
• M24: 31,050,384 km (0.118 R)
• M25: 36,236,943 km (0.114 R)
• M26: 38,814,215 km (0.106 R)
• M27: 42,127,060 km (0.1 R)
• M28: 45,298,235 km (0.059 R)
• M29: 45,787,121 km (0.04 R)
• M30: 58,799,144 km (0.083 R)
• M31: 61,348,441 km (0.114 R)
• M32: 66,876,531 km (0.074 R)
• M33: 67,935,535 km (0.034 R)
• M34: 70,522,381 km (0.12 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: 474 - 19,875 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit