🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.89 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.2

Radius: 12.7

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.42 AU - 2.14 AU

Year: 1584 Days

Day: 13.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,289,301 km

• M1: 157,975 km (0.07 R)
• M2: 558,299 km (0.098 R)
• M3: 975,528 km (0.093 R)
• M4: 1,457,682 km (0.12 R)
• M5: 2,161,689 km (0.115 R)
• M6: 2,859,414 km (0.118 R)
• M7: 3,347,103 km (0.107 R)
• M8: 3,874,286 km (0.093 R)
• M9: 4,301,388 km (0.114 R)
• M10: 4,963,807 km (0.106 R)
• M11: 5,449,252 km (0.099 R)
• M12: 5,860,347 km (0.111 R)
• M13: 6,584,251 km (0.069 R)
• M14: 7,342,263 km (0.094 R)
• M15: 8,210,679 km (0.094 R)
• M16: 10,618,307 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140

Radius: 8.4

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.41 AU - 2.81 AU

Year: 2812 Days

Day: 11.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,289,301 km

• M1: 104,569 km (0.058 R)
• M2: 458,966 km (0.112 R)
• M3: 833,709 km (0.1 R)
• M4: 1,199,177 km (0.118 R)
• M5: 1,526,497 km (0.091 R)
• M6: 1,933,852 km (0.106 R)
• M7: 2,225,568 km (0.073 R)
• M8: 2,497,387 km (0.118 R)
• M9: 3,079,921 km (0.119 R)
• M10: 3,373,432 km (0.12 R)
• M11: 3,766,575 km (0.103 R)
• M12: 4,137,578 km (0.042 R)
• M13: 4,607,315 km (0.071 R)
• M14: 5,504,154 km (0.117 R)
• M15: 6,395,010 km (0.105 R)
• M16: 6,777,083 km (0.105 R)
• M17: 7,048,603 km (0.072 R)
• M18: 9,798,960 km (0.119 R)
• M19: 11,761,385 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.7

Radius: 9.3

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.28 AU - 3.02 AU

Year: 2877 Days

Day: 15 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,289,301 km

• M1: 115,789 km (0.105 R)
• M2: 556,354 km (0.1 R)
• M3: 1,017,565 km (0.11 R)
• M4: 1,436,888 km (0.103 R)
• M5: 2,155,705 km (0.103 R)
• M6: 2,473,601 km (0.112 R)
• M7: 3,277,839 km (0.093 R)
• M8: 3,601,569 km (0.113 R)
• M9: 3,967,485 km (0.069 R)
• M10: 6,043,455 km (0.112 R)
• M11: 6,771,548 km (0.065 R)
• M12: 7,235,750 km (0.081 R)
• M13: 7,854,038 km (0.119 R)
• M14: 8,436,871 km (0.07 R)
• M15: 8,938,174 km (0.11 R)
• M16: 9,421,225 km (0.108 R)
• M17: 12,927,350 km (0.103 R)
• M18: 16,163,152 km (0.093 R)
• M19: 20,407,094 km (0.083 R)
• M20: 21,905,467 km (0.112 R)
• M21: 22,784,205 km (0.101 R)
• M22: 23,266,957 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.7

Radius: 13.7

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.17 AU - 3.17 AU

Year: 3764 Days

Day: 7.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,289,301 km

• M1: 171,140 km (0.108 R)
• M2: 610,958 km (0.106 R)
• M3: 1,077,853 km (0.101 R)
• M4: 1,506,301 km (0.032 R)
• M5: 2,148,525 km (0.113 R)
• M6: 3,204,985 km (0.081 R)
• M7: 3,633,283 km (0.083 R)
• M8: 4,464,599 km (0.066 R)
• M9: 5,233,981 km (0.073 R)
• M10: 6,536,829 km (0.11 R)
• M11: 7,199,248 km (0.116 R)
• M12: 7,665,395 km (0.047 R)
• M13: 9,458,924 km (0.114 R)
• M14: 12,297,543 km (0.106 R)
• M15: 13,014,416 km (0.09 R)
• M16: 14,479,578 km (0.067 R)
• M17: 15,552,344 km (0.119 R)
• M18: 16,277,595 km (0.065 R)
• M19: 17,496,668 km (0.114 R)
• M20: 18,465,763 km (0.044 R)
• M21: 18,900,943 km (0.073 R)
• M22: 21,863,579 km (0.094 R)
• M23: 23,709,916 km (0.111 R)
• M24: 24,298,434 km (0.111 R)
• M25: 25,123,466 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.7

Radius: 8.8

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.72 AU - 4.38 AU

Year: 5435 Days

Day: 10.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 71.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,289,301 km

• M1: 109,506 km (0.082 R)
• M2: 604,675 km (0.078 R)
• M3: 1,355,806 km (0.101 R)
• M4: 1,708,707 km (0.079 R)
• M5: 2,034,681 km (0.099 R)
• M6: 3,393,628 km (0.066 R)
• M7: 5,064,636 km (0.058 R)
• M8: 5,643,280 km (0.069 R)
• M9: 6,053,029 km (0.044 R)
• M10: 7,523,576 km (0.06 R)
• M11: 7,831,598 km (0.101 R)
• M12: 8,244,638 km (0.102 R)
• M13: 8,605,468 km (0.106 R)
• M14: 9,183,664 km (0.056 R)
• M15: 10,080,952 km (0.037 R)
• M16: 10,762,370 km (0.113 R)
• M17: 11,273,247 km (0.119 R)
• M18: 13,212,035 km (0.097 R)
• M19: 13,935,640 km (0.112 R)
• M20: 15,860,067 km (0.092 R)
• M21: 16,625,260 km (0.106 R)
• M22: 18,284,600 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 815.8

Radius: 7.6

Gravity: 14.12 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 7.7 AU - 9.74 AU

Year: 17171 Days

Day: 24.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,289,301 km

• M1: 94,845 km (0.089 R)
• M2: 625,768 km (0.085 R)
• M3: 991,385 km (0.116 R)
• M4: 2,158,996 km (0.108 R)
• M5: 2,569,343 km (0.081 R)
• M6: 2,979,690 km (0.107 R)
• M7: 3,405,147 km (0.08 R)
• M8: 3,720,649 km (0.12 R)
• M9: 5,446,858 km (0.099 R)
• M10: 11,615,676 km (0.113 R)
• M11: 18,462,172 km (0.084 R)
• M12: 23,584,104 km (0.115 R)
• M13: 24,944,996 km (0.078 R)
• M14: 25,374,043 km (0.105 R)
• M15: 26,246,946 km (0.044 R)
• M16: 33,442,305 km (0.119 R)
• M17: 37,488,478 km (0.106 R)
• M18: 49,679,658 km (0.07 R)
• M19: 53,492,309 km (0.088 R)
• M20: 58,999,455 km (0.086 R)
• M21: 62,478,653 km (0.071 R)
• M22: 63,468,841 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.5

Radius: 6.1

Gravity: 13.16 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 9.41 AU - 11.39 AU

Year: 22366 Days

Day: 19.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,289,301 km

• M1: 75,846 km (0.068 R)
• M2: 272,418 km (0.116 R)
• M3: 474,973 km (0.089 R)
• M4: 715,826 km (0.06 R)
• M5: 909,854 km (0.057 R)
• M6: 1,516,922 km (0.089 R)
• M7: 1,843,046 km (0.078 R)
• M8: 2,092,425 km (0.115 R)
• M9: 2,566,052 km (0.051 R)
• M10: 2,877,964 km (0.081 R)
• M11: 3,577,783 km (0.112 R)
• M12: 4,125,012 km (0.114 R)
• M13: 7,677,064 km (0.043 R)
• M14: 8,122,117 km (0.118 R)
• M15: 8,689,392 km (0.06 R)
• M16: 9,227,496 km (0.118 R)
• M17: 9,560,950 km (0.109 R)
• M18: 9,902,332 km (0.103 R)
• M19: 10,791,542 km (0.111 R)
• M20: 11,992,962 km (0.104 R)
• M21: 12,659,720 km (0.041 R)
• M22: 13,634,500 km (0.11 R)
• M23: 14,286,896 km (0.07 R)
• M24: 19,721,637 km (0.093 R)
• M25: 20,555,645 km (0.057 R)
• M26: 25,295,803 km (0.119 R)
• M27: 26,837,260 km (0.078 R)
• M28: 28,557,186 km (0.104 R)
• M29: 30,105,973 km (0.112 R)
• M30: 35,899,450 km (0.084 R)
• M31: 37,843,025 km (0.079 R)
• M32: 57,272,348 km (0.109 R)
• M33: 61,861,263 km (0.095 R)
• M34: 62,057,685 km (0.109 R)
• M35: 69,406,531 km (0.1 R)
• M36: 71,114,789 km (0.099 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: 498 - 14,747 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit