🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.6

Radius: 10.4

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.45 AU - 0.65 AU

Year: 277 Days

Day: 14.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,524,011 km

• M1: 129,701 km (0.113 R)
• M2: 520,152 km (0.117 R)
• M3: 917,185 km (0.089 R)
• M4: 1,243,607 km (0.106 R)
• M5: 1,683,425 km (0.068 R)
• M6: 2,284,509 km (0.081 R)
• M7: 3,466,033 km (0.115 R)
• M8: 4,102,123 km (0.062 R)
• M9: 4,646,211 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.4

Radius: 11.5

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.74 AU - 0.92 AU

Year: 513 Days

Day: 13 Hours

Environment

Temp: -165 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,524,011 km

• M1: 143,016 km (0.106 R)
• M2: 565,480 km (0.095 R)
• M3: 973,134 km (0.117 R)
• M4: 1,401,283 km (0.066 R)
• M5: 2,177,696 km (0.081 R)
• M6: 2,715,201 km (0.063 R)
• M7: 3,152,177 km (0.111 R)
• M8: 3,687,139 km (0.086 R)
• M9: 4,113,493 km (0.094 R)
• M10: 4,939,722 km (0.091 R)
• M11: 5,544,097 km (0.092 R)
• M12: 6,270,844 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.5

Radius: 14.8

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.16 AU - 1.8 AU

Year: 1221 Days

Day: 5.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,524,011 km

• M1: 185,501 km (0.106 R)
• M2: 805,435 km (0.092 R)
• M3: 1,333,067 km (0.086 R)
• M4: 1,929,513 km (0.054 R)
• M5: 2,416,155 km (0.062 R)
• M6: 2,930,473 km (0.082 R)
• M7: 3,597,081 km (0.078 R)
• M8: 4,953,784 km (0.1 R)
• M9: 5,618,298 km (0.09 R)
• M10: 8,171,185 km (0.117 R)
• M11: 8,922,167 km (0.12 R)
• M12: 10,797,974 km (0.099 R)
• M13: 11,991,765 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.8

Radius: 13.7

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.02 AU - 2.48 AU

Year: 2289 Days

Day: 5.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,524,011 km

• M1: 174,581 km (0.106 R)
• M2: 664,514 km (0.068 R)
• M3: 1,346,680 km (0.113 R)
• M4: 2,373,370 km (0.065 R)
• M5: 3,763,882 km (0.073 R)
• M6: 4,439,167 km (0.066 R)
• M7: 5,289,332 km (0.043 R)
• M8: 5,825,341 km (0.085 R)
• M9: 6,267,104 km (0.116 R)
• M10: 6,822,411 km (0.114 R)
• M11: 8,212,325 km (0.085 R)
• M12: 9,239,015 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.2

Radius: 11.5

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.03 AU - 4.55 AU

Year: 5004 Days

Day: 14.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,524,011 km

• M1: 143,016 km (0.065 R)
• M2: 542,591 km (0.038 R)
• M3: 1,321,996 km (0.059 R)
• M4: 1,690,007 km (0.066 R)
• M5: 2,143,139 km (0.075 R)
• M6: 2,842,509 km (0.075 R)
• M7: 4,357,636 km (0.115 R)
• M8: 5,814,121 km (0.072 R)
• M9: 6,321,707 km (0.093 R)
• M10: 7,389,686 km (0.075 R)
• M11: 10,013,932 km (0.088 R)
• M12: 10,698,193 km (0.097 R)
• M13: 15,297,429 km (0.094 R)
• M14: 16,205,339 km (0.102 R)
• M15: 16,893,639 km (0.115 R)
• M16: 17,797,659 km (0.115 R)
• M17: 19,772,650 km (0.1 R)
• M18: 21,217,316 km (0.052 R)
• M19: 21,889,759 km (0.069 R)
• M20: 22,576,563 km (0.107 R)
• M21: 27,615,318 km (0.097 R)
• M22: 28,778,442 km (0.085 R)
• M23: 30,916,046 km (0.083 R)
• M24: 31,394,310 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 666.7

Radius: 6.3

Gravity: 16.8 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.53 AU - 8.79 AU

Year: 17285 Days

Day: 20.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,524,011 km

• M1: 78,389 km (0.065 R)
• M2: 304,432 km (0.115 R)
• M3: 1,198,279 km (0.074 R)
• M4: 2,489,757 km (0.075 R)
• M5: 4,998,065 km (0.108 R)
• M6: 6,730,109 km (0.119 R)
• M7: 7,730,769 km (0.056 R)
• M8: 9,521,904 km (0.094 R)
• M9: 10,898,953 km (0.091 R)
• M10: 11,635,124 km (0.115 R)
• M11: 12,867,661 km (0.092 R)
• M12: 14,113,512 km (0.109 R)
• M13: 14,692,156 km (0.104 R)
• M14: 22,625,631 km (0.106 R)
• M15: 23,317,820 km (0.072 R)
• M16: 26,662,978 km (0.094 R)
• M17: 27,212,900 km (0.108 R)
• M18: 31,034,377 km (0.091 R)
• M19: 31,520,571 km (0.106 R)
• M20: 34,805,590 km (0.096 R)
• M21: 38,311,715 km (0.072 R)
• M22: 40,293,887 km (0.087 R)
• M23: 41,456,562 km (0.088 R)
• M24: 47,447,059 km (0.111 R)
• M25: 48,906,835 km (0.112 R)
• M26: 54,869,208 km (0.045 R)
• M27: 55,937,785 km (0.095 R)
• M28: 64,989,803 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 635.9

Radius: 3.8

Gravity: 44.04 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 8.52 AU - 8.9 AU

Year: 17435 Days

Day: 22.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,524,011 km

• M1: 47,273 km (0.11 R)
• M2: 217,515 km (0.108 R)
• M3: 429,047 km (0.098 R)
• M4: 665,262 km (0.098 R)
• M5: 870,809 km (0.095 R)
• M6: 994,676 km (0.095 R)
• M7: 3,531,707 km (0.028 R)
• M8: 4,346,865 km (0.065 R)
• M9: 5,734,834 km (0.08 R)
• M10: 7,164,840 km (0.059 R)
• M11: 7,393,426 km (0.098 R)
• M12: 8,306,721 km (0.09 R)
• M13: 11,744,181 km (0.106 R)
• M14: 12,982,552 km (0.114 R)
• M15: 16,493,315 km (0.107 R)
• M16: 16,811,659 km (0.116 R)
• M17: 21,898,735 km (0.101 R)
• M18: 22,283,201 km (0.048 R)
• M19: 23,765,118 km (0.114 R)
• M20: 24,685,145 km (0.074 R)
• M21: 29,877,836 km (0.096 R)
• M22: 32,790,208 km (0.086 R)
• M23: 40,453,209 km (0.109 R)
• M24: 40,597,272 km (0.066 R)
• M25: 40,886,594 km (0.106 R)
• M26: 44,007,804 km (0.109 R)
• M27: 45,704,244 km (0.105 R)
• M28: 50,052,306 km (0.117 R)
• M29: 50,719,064 km (0.078 R)
• M30: 52,926,829 km (0.119 R)
• M31: 55,020,750 km (0.119 R)
• M32: 55,552,720 km (0.115 R)
• M33: 57,350,887 km (0.032 R)
• M34: 58,264,331 km (0.064 R)
• M35: 61,252,399 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617

Radius: 7.7

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 7.96 AU - 11.14 AU

Year: 20017 Days

Day: 16.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,524,011 km

• M1: 96,341 km (0.066 R)
• M2: 469,438 km (0.111 R)
• M3: 989,141 km (0.091 R)
• M4: 1,868,178 km (0.099 R)
• M5: 2,158,697 km (0.106 R)
• M6: 2,547,203 km (0.091 R)
• M7: 4,351,652 km (0.118 R)
• M8: 4,901,724 km (0.083 R)
• M9: 6,698,095 km (0.112 R)
• M10: 9,384,873 km (0.066 R)
• M11: 11,339,818 km (0.119 R)
• M12: 14,055,169 km (0.062 R)
• M13: 15,023,516 km (0.048 R)
• M14: 17,175,780 km (0.104 R)
• M15: 19,075,075 km (0.041 R)
• M16: 19,890,982 km (0.043 R)
• M17: 23,490,905 km (0.082 R)
• M18: 24,427,986 km (0.111 R)
• M19: 25,606,817 km (0.105 R)
• M20: 27,274,983 km (0.106 R)
• M21: 30,580,348 km (0.099 R)
• M22: 32,075,130 km (0.097 R)
• M23: 34,143,320 km (0.053 R)
• M24: 35,615,663 km (0.112 R)
• M25: 43,928,517 km (0.046 R)
• M26: 45,349,248 km (0.1 R)
• M27: 47,290,729 km (0.118 R)
• M28: 55,978,177 km (0.102 R)
• M29: 61,866,050 km (0.071 R)
• M30: 63,449,693 km (0.091 R)
• M31: 72,210,144 km (0.066 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 18,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit