🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.3

Radius: 13.3

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.44 AU - 0.58 AU

Year: 243 Days

Day: 9.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 82,328,444 km

• M1: 165,455 km (0.104 R)
• M2: 731,534 km (0.099 R)
• M3: 1,199,027 km (0.07 R)
• M4: 1,612,815 km (0.055 R)
• M5: 2,238,134 km (0.114 R)
• M6: 2,985,824 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.6

Radius: 10.2

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.63 AU - 0.81 AU

Year: 407 Days

Day: 10.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,328,444 km

• M1: 127,009 km (0.047 R)
• M2: 453,132 km (0.1 R)
• M3: 833,260 km (0.098 R)
• M4: 1,293,573 km (0.091 R)
• M5: 1,770,790 km (0.119 R)
• M6: 2,163,784 km (0.11 R)
• M7: 3,049,403 km (0.091 R)
• M8: 3,531,707 km (0.059 R)
• M9: 3,916,323 km (0.11 R)
• M10: 5,049,527 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.9

Radius: 10.1

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.7 AU - 0.9 AU

Year: 477 Days

Day: 7 Hours

Environment

Temp: -157 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,328,444 km

• M1: 125,662 km (0.108 R)
• M2: 444,754 km (0.079 R)
• M3: 764,595 km (0.035 R)
• M4: 1,112,709 km (0.106 R)
• M5: 1,583,493 km (0.102 R)
• M6: 2,646,835 km (0.102 R)
• M7: 3,021,727 km (0.056 R)
• M8: 3,369,393 km (0.085 R)
• M9: 3,990,224 km (0.119 R)
• M10: 4,685,405 km (0.117 R)
• M11: 5,356,053 km (0.108 R)
• M12: 5,795,721 km (0.092 R)
• M13: 6,145,780 km (0.032 R)
• M14: 6,490,453 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.7

Radius: 13.2

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.81 AU - 2.75 AU

Year: 2296 Days

Day: 6.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,328,444 km

• M1: 189,541 km (0.102 R)
• M2: 864,376 km (0.102 R)
• M3: 1,556,865 km (0.11 R)
• M4: 2,144,485 km (0.054 R)
• M5: 2,799,874 km (0.115 R)
• M6: 3,391,234 km (0.091 R)
• M7: 5,292,025 km (0.045 R)
• M8: 7,589,549 km (0.073 R)
• M9: 8,916,183 km (0.107 R)
• M10: 10,777,180 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.1

Radius: 13.3

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.75 AU - 3.53 AU

Year: 3710 Days

Day: 13.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,328,444 km

• M1: 169,494 km (0.11 R)
• M2: 666,309 km (0.102 R)
• M3: 1,650,214 km (0.063 R)
• M4: 2,134,762 km (0.09 R)
• M5: 2,681,542 km (0.11 R)
• M6: 3,152,177 km (0.075 R)
• M7: 3,845,114 km (0.119 R)
• M8: 4,686,004 km (0.089 R)
• M9: 5,927,217 km (0.073 R)
• M10: 6,671,467 km (0.119 R)
• M11: 9,013,721 km (0.082 R)
• M12: 11,677,610 km (0.088 R)
• M13: 14,044,248 km (0.055 R)
• M14: 15,642,103 km (0.114 R)
• M15: 16,257,399 km (0.075 R)
• M16: 16,772,764 km (0.052 R)
• M17: 20,228,624 km (0.084 R)
• M18: 24,804,524 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.8

Radius: 8.7

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.93 AU - 5.85 AU

Year: 7211 Days

Day: 10 Hours

Environment

Temp: -232 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 82,328,444 km

• M1: 108,309 km (0.086 R)
• M2: 499,806 km (0.095 R)
• M3: 979,716 km (0.081 R)
• M4: 1,966,913 km (0.066 R)
• M5: 2,503,072 km (0.083 R)
• M6: 2,925,985 km (0.119 R)
• M7: 3,219,346 km (0.061 R)
• M8: 3,817,139 km (0.1 R)
• M9: 4,849,963 km (0.103 R)
• M10: 5,354,407 km (0.116 R)
• M11: 5,926,320 km (0.093 R)
• M12: 6,969,166 km (0.099 R)
• M13: 8,501,797 km (0.103 R)
• M14: 9,640,984 km (0.061 R)
• M15: 9,964,265 km (0.112 R)
• M16: 12,929,445 km (0.048 R)
• M17: 14,371,867 km (0.119 R)
• M18: 14,794,332 km (0.05 R)
• M19: 15,225,174 km (0.109 R)
• M20: 15,854,831 km (0.049 R)
• M21: 18,691,207 km (0.111 R)
• M22: 19,340,162 km (0.111 R)
• M23: 19,781,177 km (0.062 R)
• M24: 21,377,536 km (0.076 R)
• M25: 22,812,778 km (0.115 R)
• M26: 24,652,832 km (0.085 R)
• M27: 25,084,421 km (0.104 R)
• M28: 26,409,559 km (0.114 R)
• M29: 29,006,878 km (0.087 R)
• M30: 32,901,808 km (0.098 R)
• M31: 35,573,925 km (0.076 R)
• M32: 36,682,295 km (0.058 R)
• M33: 37,585,268 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.2

Radius: 5.7

Gravity: 19.89 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.98 AU - 9.68 AU

Year: 16032 Days

Day: 23.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,328,444 km

• M1: 75,697 km (0.037 R)
• M2: 452,384 km (0.105 R)
• M3: 1,351,168 km (0.117 R)
• M4: 2,489,159 km (0.075 R)
• M5: 3,173,120 km (0.118 R)
• M6: 3,572,696 km (0.041 R)
• M7: 4,407,602 km (0.107 R)
• M8: 5,816,066 km (0.111 R)
• M9: 7,140,306 km (0.026 R)
• M10: 8,063,325 km (0.069 R)
• M11: 8,553,557 km (0.117 R)
• M12: 15,624,899 km (0.03 R)
• M13: 22,323,892 km (0.103 R)
• M14: 26,455,187 km (0.085 R)
• M15: 32,148,283 km (0.039 R)
• M16: 43,459,677 km (0.063 R)
• M17: 48,544,210 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.7

Radius: 4.9

Gravity: 25.1 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 8.77 AU - 13.03 AU

Year: 23998 Days

Day: 17.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 82,328,444 km

• M1: 60,886 km (0.026 R)
• M2: 254,466 km (0.085 R)
• M3: 739,013 km (0.06 R)
• M4: 1,393,205 km (0.099 R)
• M5: 1,644,529 km (0.077 R)
• M6: 1,866,832 km (0.117 R)
• M7: 2,151,517 km (0.12 R)
• M8: 4,364,667 km (0.106 R)
• M9: 5,169,654 km (0.089 R)
• M10: 5,365,627 km (0.108 R)
• M11: 5,772,533 km (0.058 R)
• M12: 6,832,584 km (0.098 R)
• M13: 7,021,077 km (0.052 R)
• M14: 7,607,650 km (0.099 R)
• M15: 9,562,894 km (0.048 R)
• M16: 10,973,752 km (0.099 R)
• M17: 19,478,391 km (0.083 R)
• M18: 21,325,027 km (0.05 R)
• M19: 23,285,058 km (0.096 R)
• M20: 28,157,910 km (0.106 R)
• M21: 37,765,234 km (0.064 R)
• M22: 38,503,650 km (0.062 R)
• M23: 39,402,284 km (0.113 R)
• M24: 42,816,855 km (0.063 R)
• M25: 46,761,153 km (0.106 R)
• M26: 48,995,547 km (0.106 R)
• M27: 54,984,997 km (0.032 R)
• M28: 57,472,510 km (0.101 R)
• M29: 59,039,996 km (0.117 R)
• M30: 67,522,345 km (0.109 R)
• M31: 69,707,821 km (0.074 R)
• M32: 72,845,935 km (0.072 R)
• M33: 73,989,162 km (0.075 R)
• M34: 77,253,687 km (0.071 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 16,101 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit