🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231

Radius: 8.8

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.32 AU - 1.7 AU

Year: 1217 Days

Day: 14.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,986,239 km

• M1: 109,805 km (0.093 R)
• M2: 539,151 km (0.072 R)
• M3: 836,402 km (0.114 R)
• M4: 1,575,415 km (0.078 R)
• M5: 2,027,051 km (0.099 R)
• M6: 2,753,947 km (0.088 R)
• M7: 3,064,812 km (0.119 R)
• M8: 3,439,105 km (0.095 R)
• M9: 3,902,111 km (0.056 R)
• M10: 4,342,826 km (0.119 R)
• M11: 4,632,896 km (0.039 R)
• M12: 5,127,467 km (0.098 R)
• M13: 5,415,144 km (0.077 R)
• M14: 5,694,742 km (0.119 R)
• M15: 6,202,178 km (0.053 R)
• M16: 6,508,405 km (0.098 R)
• M17: 6,803,412 km (0.109 R)
• M18: 7,511,309 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.5

Radius: 12.6

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.54 AU - 2.32 AU

Year: 1759 Days

Day: 7.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,986,239 km

• M1: 157,078 km (0.079 R)
• M2: 633,996 km (0.037 R)
• M3: 1,201,121 km (0.11 R)
• M4: 1,990,848 km (0.084 R)
• M5: 2,649,528 km (0.116 R)
• M6: 3,624,457 km (0.074 R)
• M7: 4,186,197 km (0.12 R)
• M8: 5,659,736 km (0.095 R)
• M9: 6,158,346 km (0.116 R)
• M10: 6,661,593 km (0.063 R)
• M11: 7,401,654 km (0.115 R)
• M12: 7,887,997 km (0.115 R)
• M13: 9,825,289 km (0.11 R)
• M14: 10,547,697 km (0.096 R)
• M15: 11,878,669 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.6

Radius: 8.3

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.68 AU - 3.64 AU

Year: 3685 Days

Day: 5.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,986,239 km

• M1: 150,047 km (0.115 R)
• M2: 585,227 km (0.116 R)
• M3: 1,166,415 km (0.082 R)
• M4: 1,435,691 km (0.109 R)
• M5: 1,901,090 km (0.105 R)
• M6: 2,582,807 km (0.089 R)
• M7: 2,865,098 km (0.113 R)
• M8: 3,202,890 km (0.105 R)
• M9: 4,401,169 km (0.041 R)
• M10: 5,137,789 km (0.101 R)
• M11: 11,836,932 km (0.084 R)
• M12: 13,719,322 km (0.092 R)
• M13: 14,633,215 km (0.088 R)
• M14: 16,421,957 km (0.08 R)
• M15: 18,294,623 km (0.106 R)
• M16: 20,737,107 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.3

Radius: 14.7

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.82 AU - 5.1 AU

Year: 6179 Days

Day: 7.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,986,239 km

• M1: 182,809 km (0.046 R)
• M2: 731,982 km (0.101 R)
• M3: 2,155,556 km (0.055 R)
• M4: 2,683,487 km (0.12 R)
• M5: 3,298,184 km (0.116 R)
• M6: 4,029,867 km (0.08 R)
• M7: 5,285,891 km (0.082 R)
• M8: 6,195,297 km (0.08 R)
• M9: 6,857,866 km (0.099 R)
• M10: 8,845,124 km (0.071 R)
• M11: 10,489,653 km (0.117 R)
• M12: 12,330,156 km (0.09 R)
• M13: 13,598,596 km (0.095 R)
• M14: 15,903,750 km (0.108 R)
• M15: 17,213,180 km (0.066 R)
• M16: 18,125,278 km (0.117 R)
• M17: 21,499,009 km (0.111 R)
• M18: 22,634,008 km (0.085 R)
• M19: 24,370,391 km (0.04 R)
• M20: 26,620,941 km (0.108 R)
• M21: 28,018,185 km (0.091 R)
• M22: 28,735,058 km (0.091 R)
• M23: 31,149,269 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.8

Radius: 9.3

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.76 AU - 5.72 AU

Year: 7869 Days

Day: 13.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,986,239 km

• M1: 120,875 km (0.098 R)
• M2: 511,026 km (0.077 R)
• M3: 999,763 km (0.059 R)
• M4: 1,325,886 km (0.093 R)
• M5: 2,064,750 km (0.05 R)
• M6: 2,564,855 km (0.111 R)
• M7: 3,682,651 km (0.107 R)
• M8: 4,199,960 km (0.098 R)
• M9: 4,944,359 km (0.063 R)
• M10: 5,909,714 km (0.066 R)
• M11: 6,957,498 km (0.116 R)
• M12: 8,209,782 km (0.092 R)
• M13: 9,464,459 km (0.11 R)
• M14: 10,186,867 km (0.094 R)
• M15: 10,842,405 km (0.037 R)
• M16: 12,978,363 km (0.083 R)
• M17: 14,486,609 km (0.094 R)
• M18: 15,315,531 km (0.085 R)
• M19: 16,446,790 km (0.092 R)
• M20: 20,726,336 km (0.059 R)
• M21: 22,443,121 km (0.104 R)
• M22: 24,607,952 km (0.117 R)
• M23: 25,511,673 km (0.043 R)
• M24: 28,849,201 km (0.077 R)
• M25: 34,328,822 km (0.091 R)
• M26: 37,786,029 km (0.089 R)
• M27: 40,091,781 km (0.096 R)
• M28: 40,464,279 km (0.069 R)
• M29: 41,090,197 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.9

Radius: 3.4

Gravity: 63.05 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 8.27 AU - 8.31 AU

Year: 15658 Days

Day: 19.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 65,986,239 km

• M1: 42,336 km (0.086 R)
• M2: 171,140 km (0.119 R)
• M3: 546,481 km (0.118 R)
• M4: 661,821 km (0.112 R)
• M5: 920,177 km (0.113 R)
• M6: 1,568,833 km (0.062 R)
• M7: 1,840,652 km (0.115 R)
• M8: 3,492,063 km (0.081 R)
• M9: 3,834,941 km (0.036 R)
• M10: 4,075,644 km (0.076 R)
• M11: 4,893,197 km (0.069 R)
• M12: 5,621,439 km (0.052 R)
• M13: 6,091,625 km (0.114 R)
• M14: 6,213,099 km (0.075 R)
• M15: 7,109,639 km (0.08 R)
• M16: 8,636,285 km (0.101 R)
• M17: 8,997,265 km (0.118 R)
• M18: 9,154,941 km (0.054 R)
• M19: 12,062,824 km (0.115 R)
• M20: 15,758,640 km (0.061 R)
• M21: 18,235,831 km (0.043 R)
• M22: 18,488,502 km (0.066 R)
• M23: 19,610,486 km (0.097 R)
• M24: 20,868,753 km (0.101 R)
• M25: 21,611,357 km (0.107 R)
• M26: 24,451,174 km (0.118 R)
• M27: 25,276,206 km (0.057 R)
• M28: 29,449,538 km (0.109 R)
• M29: 31,096,012 km (0.112 R)
• M30: 34,699,675 km (0.047 R)
• M31: 34,958,030 km (0.089 R)
• M32: 35,740,577 km (0.099 R)
• M33: 39,547,843 km (0.105 R)
• M34: 39,688,614 km (0.062 R)
• M35: 42,722,160 km (0.063 R)
• M36: 50,064,124 km (0.109 R)
• M37: 53,772,207 km (0.092 R)
• M38: 62,871,348 km (0.057 R)
• M39: 65,002,070 km (0.099 R)
• M40: 65,986,274 km (0.077 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 190 - 16,023 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit