🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.8

Radius: 9.9

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.1 AU - 1.36 AU

Year: 895 Days

Day: 6.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,946,875 km

• M1: 123,119 km (0.095 R)
• M2: 449,392 km (0.104 R)
• M3: 981,512 km (0.041 R)
• M4: 1,451,099 km (0.119 R)
• M5: 1,768,247 km (0.104 R)
• M6: 2,085,394 km (0.117 R)
• M7: 2,482,577 km (0.035 R)
• M8: 3,484,284 km (0.04 R)
• M9: 4,524,588 km (0.079 R)
• M10: 4,919,526 km (0.05 R)
• M11: 5,230,690 km (0.091 R)
• M12: 6,145,481 km (0.081 R)
• M13: 6,548,198 km (0.034 R)
• M14: 7,033,045 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846

Radius: 12.7

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.7 AU - 1.86 AU

Year: 1558 Days

Day: 9.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,946,875 km

• M1: 157,975 km (0.101 R)
• M2: 588,368 km (0.104 R)
• M3: 1,045,390 km (0.077 R)
• M4: 1,620,145 km (0.026 R)
• M5: 2,146,879 km (0.078 R)
• M6: 2,582,358 km (0.101 R)
• M7: 3,469,025 km (0.111 R)
• M8: 6,007,402 km (0.088 R)
• M9: 7,284,220 km (0.082 R)
• M10: 8,191,680 km (0.116 R)
• M11: 8,611,901 km (0.105 R)
• M12: 9,398,037 km (0.089 R)
• M13: 11,855,332 km (0.084 R)
• M14: 12,590,157 km (0.063 R)
• M15: 13,396,340 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.3

Radius: 13.2

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.27 AU - 2.69 AU

Year: 2562 Days

Day: 12.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,946,875 km

• M1: 164,109 km (0.025 R)
• M2: 1,155,793 km (0.105 R)
• M3: 1,620,295 km (0.057 R)
• M4: 2,044,405 km (0.084 R)
• M5: 2,878,861 km (0.108 R)
• M6: 4,069,810 km (0.085 R)
• M7: 5,054,912 km (0.11 R)
• M8: 5,541,255 km (0.091 R)
• M9: 5,978,978 km (0.116 R)
• M10: 6,924,736 km (0.072 R)
• M11: 7,464,635 km (0.114 R)
• M12: 8,129,747 km (0.035 R)
• M13: 9,113,203 km (0.11 R)
• M14: 9,615,553 km (0.076 R)
• M15: 12,109,349 km (0.092 R)
• M16: 12,939,468 km (0.04 R)
• M17: 13,575,109 km (0.09 R)
• M18: 15,557,131 km (0.085 R)
• M19: 16,591,002 km (0.08 R)
• M20: 19,789,405 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590

Radius: 10

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.47 AU - 2.91 AU

Year: 2894 Days

Day: 14.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,946,875 km

• M1: 124,316 km (0.085 R)
• M2: 457,021 km (0.105 R)
• M3: 792,570 km (0.09 R)
• M4: 1,104,631 km (0.091 R)
• M5: 1,511,238 km (0.067 R)
• M6: 1,860,100 km (0.077 R)
• M7: 2,331,184 km (0.079 R)
• M8: 2,961,140 km (0.11 R)
• M9: 4,094,494 km (0.096 R)
• M10: 4,669,847 km (0.071 R)
• M11: 5,825,491 km (0.112 R)
• M12: 7,161,998 km (0.053 R)
• M13: 8,192,727 km (0.051 R)
• M14: 9,319,349 km (0.108 R)
• M15: 9,643,976 km (0.085 R)
• M16: 10,623,992 km (0.093 R)
• M17: 12,345,714 km (0.083 R)
• M18: 12,958,916 km (0.116 R)
• M19: 13,454,832 km (0.088 R)
• M20: 14,057,114 km (0.109 R)
• M21: 14,436,643 km (0.088 R)
• M22: 15,819,227 km (0.092 R)
• M23: 18,335,164 km (0.09 R)
• M24: 19,954,710 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.8

Radius: 14.9

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.04 AU - 4.86 AU

Year: 5150 Days

Day: 9.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,946,875 km

• M1: 185,651 km (0.087 R)
• M2: 688,599 km (0.091 R)
• M3: 1,402,779 km (0.112 R)
• M4: 3,797,093 km (0.115 R)
• M5: 4,723,553 km (0.106 R)
• M6: 5,544,695 km (0.047 R)
• M7: 6,161,637 km (0.103 R)
• M8: 8,097,882 km (0.034 R)
• M9: 9,633,205 km (0.112 R)
• M10: 11,436,308 km (0.07 R)
• M11: 12,699,214 km (0.113 R)
• M12: 13,546,087 km (0.086 R)
• M13: 15,155,461 km (0.095 R)
• M14: 15,955,361 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472.6

Radius: 6.4

Gravity: 11.54 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.97 AU - 9.57 AU

Year: 14208 Days

Day: 19.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 90,946,875 km

• M1: 79,736 km (0.078 R)
• M2: 375,939 km (0.076 R)
• M3: 648,656 km (0.083 R)
• M4: 945,159 km (0.12 R)
• M5: 1,203,365 km (0.105 R)
• M6: 1,551,779 km (0.05 R)
• M7: 3,683,100 km (0.081 R)
• M8: 5,880,543 km (0.115 R)
• M9: 6,760,926 km (0.112 R)
• M10: 7,902,657 km (0.05 R)
• M11: 8,402,912 km (0.113 R)
• M12: 8,875,642 km (0.092 R)
• M13: 11,509,761 km (0.112 R)
• M14: 13,129,008 km (0.116 R)
• M15: 15,030,996 km (0.07 R)
• M16: 16,083,566 km (0.103 R)
• M17: 18,022,953 km (0.078 R)
• M18: 18,412,955 km (0.052 R)
• M19: 19,863,904 km (0.094 R)
• M20: 22,180,876 km (0.082 R)
• M21: 23,635,716 km (0.035 R)
• M22: 23,915,314 km (0.114 R)
• M23: 24,197,306 km (0.111 R)
• M24: 29,550,367 km (0.11 R)
• M25: 29,766,386 km (0.089 R)
• M26: 30,863,088 km (0.047 R)
• M27: 32,214,405 km (0.12 R)
• M28: 36,133,122 km (0.072 R)
• M29: 39,961,032 km (0.104 R)
• M30: 45,043,620 km (0.064 R)
• M31: 48,410,918 km (0.092 R)
• M32: 49,620,417 km (0.077 R)
• M33: 52,573,329 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995

Radius: 3.9

Gravity: 65.42 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 8.16 AU - 12.44 AU

Year: 21685 Days

Day: 15.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 90,946,875 km

• M1: 48,919 km (0.071 R)
• M2: 176,226 km (0.087 R)
• M3: 393,592 km (0.097 R)
• M4: 964,607 km (0.057 R)
• M5: 2,265,361 km (0.095 R)
• M6: 2,730,311 km (0.106 R)
• M7: 3,374,928 km (0.056 R)
• M8: 3,879,372 km (0.119 R)
• M9: 4,012,963 km (0.114 R)
• M10: 4,652,793 km (0.092 R)
• M11: 8,667,401 km (0.077 R)
• M12: 9,425,713 km (0.105 R)
• M13: 9,913,851 km (0.076 R)
• M14: 10,547,398 km (0.032 R)
• M15: 11,894,676 km (0.117 R)
• M16: 12,106,208 km (0.062 R)
• M17: 12,829,513 km (0.12 R)
• M18: 16,183,348 km (0.104 R)
• M19: 19,389,530 km (0.094 R)
• M20: 22,134,202 km (0.088 R)
• M21: 31,093,169 km (0.091 R)
• M22: 35,409,517 km (0.065 R)
• M23: 36,584,907 km (0.081 R)
• M24: 41,063,419 km (0.091 R)
• M25: 42,524,242 km (0.077 R)
• M26: 45,721,298 km (0.029 R)
• M27: 50,350,604 km (0.108 R)
• M28: 60,943,330 km (0.106 R)
• M29: 68,321,348 km (0.101 R)
• M30: 72,458,028 km (0.082 R)
• M31: 76,515,122 km (0.057 R)
• M32: 76,758,368 km (0.101 R)
• M33: 81,225,809 km (0.108 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 18,492 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit