🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.2

Radius: 9.2

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.71 AU - 0.71 AU

Year: 406 Days

Day: 5.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,806,138 km

• M1: 114,442 km (0.119 R)
• M2: 531,222 km (0.064 R)
• M3: 905,516 km (0.087 R)
• M4: 1,217,427 km (0.065 R)
• M5: 1,533,528 km (0.111 R)
• M6: 1,869,525 km (0.107 R)
• M7: 2,319,665 km (0.092 R)
• M8: 3,216,803 km (0.049 R)
• M9: 3,842,870 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.2

Radius: 10

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.38 AU - 1.46 AU

Year: 1148 Days

Day: 14.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,806,138 km

• M1: 124,765 km (0.114 R)
• M2: 523,593 km (0.038 R)
• M3: 895,493 km (0.071 R)
• M4: 1,253,331 km (0.063 R)
• M5: 1,573,470 km (0.068 R)
• M6: 2,052,034 km (0.086 R)
• M7: 3,033,246 km (0.068 R)
• M8: 3,590,199 km (0.105 R)
• M9: 4,389,650 km (0.065 R)
• M10: 4,831,862 km (0.072 R)
• M11: 5,698,632 km (0.037 R)
• M12: 6,293,732 km (0.055 R)
• M13: 7,251,158 km (0.119 R)
• M14: 7,608,249 km (0.085 R)
• M15: 7,977,157 km (0.095 R)
• M16: 8,552,809 km (0.073 R)
• M17: 9,483,159 km (0.108 R)
• M18: 10,837,767 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.3

Radius: 10.8

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.28 AU - 1.66 AU

Year: 1209 Days

Day: 10.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,806,138 km

• M1: 134,339 km (0.097 R)
• M2: 542,292 km (0.093 R)
• M3: 902,674 km (0.104 R)
• M4: 1,284,298 km (0.107 R)
• M5: 1,979,030 km (0.05 R)
• M6: 2,458,940 km (0.104 R)
• M7: 3,412,776 km (0.048 R)
• M8: 4,073,999 km (0.111 R)
• M9: 4,932,092 km (0.116 R)
• M10: 5,445,063 km (0.077 R)
• M11: 6,694,654 km (0.053 R)
• M12: 7,349,444 km (0.115 R)
• M13: 8,702,407 km (0.108 R)
• M14: 9,423,319 km (0.115 R)
• M15: 9,813,620 km (0.102 R)
• M16: 10,183,426 km (0.097 R)
• M17: 11,016,986 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.2

Radius: 10.5

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.49 AU - 1.59 AU

Year: 1296 Days

Day: 6.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,806,138 km

• M1: 131,197 km (0.073 R)
• M2: 821,143 km (0.114 R)
• M3: 1,157,289 km (0.083 R)
• M4: 1,684,771 km (0.055 R)
• M5: 2,062,207 km (0.086 R)
• M6: 2,557,376 km (0.034 R)
• M7: 3,106,998 km (0.109 R)
• M8: 4,178,119 km (0.084 R)
• M9: 4,735,521 km (0.091 R)
• M10: 5,090,068 km (0.114 R)
• M11: 5,549,333 km (0.061 R)
• M12: 6,910,973 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.2

Radius: 12.7

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.71 AU - 3.37 AU

Year: 3595 Days

Day: 13.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 118.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,806,138 km

• M1: 187,596 km (0.11 R)
• M2: 768,933 km (0.097 R)
• M3: 1,637,349 km (0.059 R)
• M4: 2,161,540 km (0.077 R)
• M5: 3,854,539 km (0.064 R)
• M6: 4,443,655 km (0.041 R)
• M7: 5,234,130 km (0.037 R)
• M8: 6,063,202 km (0.107 R)
• M9: 6,691,513 km (0.094 R)
• M10: 8,014,556 km (0.11 R)
• M11: 8,470,231 km (0.054 R)
• M12: 9,831,871 km (0.063 R)
• M13: 10,469,009 km (0.082 R)
• M14: 11,993,261 km (0.099 R)
• M15: 12,940,814 km (0.112 R)
• M16: 14,839,211 km (0.064 R)
• M17: 17,887,417 km (0.067 R)
• M18: 18,838,112 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.8

Radius: 14.2

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.15 AU - 3.73 AU

Year: 4327 Days

Day: 9.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 65.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,806,138 km

• M1: 176,675 km (0.092 R)
• M2: 830,717 km (0.109 R)
• M3: 1,565,093 km (0.092 R)
• M4: 5,049,377 km (0.077 R)
• M5: 7,230,663 km (0.071 R)
• M6: 8,243,890 km (0.036 R)
• M7: 10,463,025 km (0.079 R)
• M8: 11,710,970 km (0.106 R)
• M9: 16,051,403 km (0.051 R)
• M10: 16,591,900 km (0.093 R)
• M11: 23,984,129 km (0.09 R)
• M12: 26,728,652 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.4

Radius: 10.4

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.74 AU - 6.1 AU

Year: 7402 Days

Day: 9.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,806,138 km

• M1: 129,552 km (0.075 R)
• M2: 464,501 km (0.099 R)
• M3: 815,757 km (0.071 R)
• M4: 1,249,142 km (0.085 R)
• M5: 1,594,115 km (0.109 R)
• M6: 2,067,592 km (0.08 R)
• M7: 2,538,676 km (0.084 R)
• M8: 3,255,250 km (0.096 R)
• M9: 4,534,461 km (0.073 R)
• M10: 6,053,777 km (0.109 R)
• M11: 6,799,373 km (0.059 R)
• M12: 8,176,720 km (0.113 R)
• M13: 8,645,859 km (0.094 R)
• M14: 9,778,914 km (0.051 R)
• M15: 11,740,441 km (0.091 R)
• M16: 13,535,316 km (0.119 R)
• M17: 16,560,335 km (0.066 R)
• M18: 17,381,777 km (0.095 R)
• M19: 18,884,188 km (0.119 R)
• M20: 22,309,979 km (0.08 R)
• M21: 23,058,567 km (0.074 R)
• M22: 25,584,677 km (0.073 R)
• M23: 28,386,495 km (0.098 R)
• M24: 28,774,851 km (0.07 R)
• M25: 32,537,836 km (0.027 R)
• M26: 36,502,030 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.8

Radius: 4.9

Gravity: 35.73 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.62 AU - 6.74 AU

Year: 9182 Days

Day: 18.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 48,806,138 km

• M1: 61,934 km (0.108 R)
• M2: 232,176 km (0.072 R)
• M3: 416,780 km (0.085 R)
• M4: 669,600 km (0.084 R)
• M5: 888,312 km (0.073 R)
• M6: 1,225,356 km (0.112 R)
• M7: 1,416,991 km (0.075 R)
• M8: 2,354,222 km (0.065 R)
• M9: 2,821,117 km (0.057 R)
• M10: 3,420,555 km (0.093 R)
• M11: 3,750,269 km (0.101 R)
• M12: 4,356,440 km (0.065 R)
• M13: 5,519,413 km (0.102 R)
• M14: 5,830,876 km (0.12 R)
• M15: 6,489,107 km (0.059 R)
• M16: 8,439,265 km (0.076 R)
• M17: 10,225,613 km (0.058 R)
• M18: 10,642,692 km (0.096 R)
• M19: 13,263,048 km (0.092 R)
• M20: 15,119,109 km (0.027 R)
• M21: 19,495,146 km (0.045 R)
• M22: 21,543,440 km (0.093 R)
• M23: 22,488,599 km (0.114 R)
• M24: 23,640,802 km (0.115 R)
• M25: 26,351,815 km (0.044 R)
• M26: 27,332,728 km (0.056 R)
• M27: 28,134,722 km (0.087 R)
• M28: 30,957,634 km (0.118 R)
• M29: 33,279,393 km (0.12 R)
• M30: 33,620,326 km (0.102 R)
• M31: 33,848,912 km (0.091 R)
• M32: 36,431,869 km (0.076 R)
• M33: 38,515,468 km (0.053 R)
• M34: 38,891,258 km (0.064 R)
• M35: 39,269,441 km (0.115 R)
• M36: 40,418,801 km (0.027 R)
• M37: 41,459,105 km (0.094 R)
• M38: 47,072,316 km (0.098 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 16,649 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit