🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.4

Radius: 8.4

Gravity: 13.57 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.85 AU - 1.23 AU

Year: 674 Days

Day: 7.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,900,636 km

• M1: 106,663 km (0.11 R)
• M2: 502,499 km (0.095 R)
• M3: 753,674 km (0.077 R)
• M4: 920,775 km (0.107 R)
• M5: 1,179,280 km (0.106 R)
• M6: 1,411,755 km (0.1 R)
• M7: 1,674,449 km (0.079 R)
• M8: 1,936,993 km (0.083 R)
• M9: 2,126,085 km (0.086 R)
• M10: 2,504,568 km (0.071 R)
• M11: 2,739,436 km (0.106 R)
• M12: 3,190,025 km (0.068 R)
• M13: 3,777,496 km (0.05 R)
• M14: 4,391,595 km (0.12 R)
• M15: 4,552,562 km (0.102 R)
• M16: 4,754,819 km (0.117 R)
• M17: 5,306,835 km (0.088 R)
• M18: 5,511,485 km (0.1 R)
• M19: 6,018,771 km (0.11 R)
• M20: 6,295,677 km (0.066 R)
• M21: 6,488,808 km (0.112 R)
• M22: 6,883,896 km (0.101 R)
• M23: 7,211,665 km (0.101 R)
• M24: 7,450,572 km (0.078 R)
• M25: 7,660,757 km (0.101 R)
• M26: 8,309,264 km (0.036 R)
• M27: 8,634,939 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.1

Radius: 12.1

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.02 AU - 1.6 AU

Year: 953 Days

Day: 10.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,900,636 km

• M1: 155,881 km (0.097 R)
• M2: 415,583 km (0.07 R)
• M3: 1,013,376 km (0.041 R)
• M4: 1,700,479 km (0.117 R)
• M5: 2,095,866 km (0.119 R)
• M6: 2,428,123 km (0.114 R)
• M7: 3,592,144 km (0.03 R)
• M8: 4,105,265 km (0.105 R)
• M9: 4,619,433 km (0.043 R)
• M10: 5,639,241 km (0.088 R)
• M11: 5,989,300 km (0.102 R)
• M12: 6,418,197 km (0.111 R)
• M13: 6,694,056 km (0.088 R)
• M14: 6,975,749 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708

Radius: 13.9

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.46 AU - 1.8 AU

Year: 1323 Days

Day: 7 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,900,636 km

• M1: 173,234 km (0.09 R)
• M2: 455,825 km (0.113 R)
• M3: 1,835,416 km (0.071 R)
• M4: 2,198,640 km (0.076 R)
• M5: 2,489,159 km (0.059 R)
• M6: 2,776,237 km (0.059 R)
• M7: 3,288,161 km (0.084 R)
• M8: 3,619,820 km (0.081 R)
• M9: 3,900,016 km (0.076 R)
• M10: 4,205,346 km (0.035 R)
• M11: 4,478,661 km (0.05 R)
• M12: 5,130,160 km (0.08 R)
• M13: 6,116,159 km (0.032 R)
• M14: 6,376,609 km (0.104 R)
• M15: 7,172,919 km (0.089 R)
• M16: 7,665,993 km (0.105 R)
• M17: 7,938,411 km (0.094 R)
• M18: 8,255,708 km (0.036 R)
• M19: 8,620,278 km (0.118 R)
• M20: 9,034,814 km (0.099 R)
• M21: 10,003,909 km (0.06 R)
• M22: 10,495,936 km (0.031 R)
• M23: 11,069,644 km (0.034 R)
• M24: 11,374,076 km (0.11 R)
• M25: 11,874,780 km (0.102 R)
• M26: 12,165,748 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.9

Radius: 11

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.43 AU - 2.45 AU

Year: 2423 Days

Day: 9 Hours

Environment

Temp: -202 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,900,636 km

• M1: 148,401 km (0.111 R)
• M2: 537,655 km (0.093 R)
• M3: 835,654 km (0.081 R)
• M4: 1,339,499 km (0.066 R)
• M5: 2,381,149 km (0.09 R)
• M6: 3,244,778 km (0.119 R)
• M7: 3,745,033 km (0.059 R)
• M8: 4,539,099 km (0.112 R)
• M9: 5,075,557 km (0.09 R)
• M10: 6,762,721 km (0.106 R)
• M11: 7,462,091 km (0.05 R)
• M12: 9,566,036 km (0.109 R)
• M13: 11,345,652 km (0.078 R)
• M14: 14,506,805 km (0.118 R)
• M15: 15,723,783 km (0.069 R)
• M16: 16,085,361 km (0.106 R)
• M17: 16,854,594 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.1

Radius: 13.4

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.1 AU - 6.4 AU

Year: 7648 Days

Day: 12.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,900,636 km

• M1: 207,492 km (0.088 R)
• M2: 722,707 km (0.116 R)
• M3: 1,239,718 km (0.085 R)
• M4: 1,644,978 km (0.067 R)
• M5: 2,434,855 km (0.067 R)
• M6: 3,801,132 km (0.108 R)
• M7: 6,115,711 km (0.1 R)
• M8: 6,405,781 km (0.086 R)
• M9: 7,919,262 km (0.099 R)
• M10: 8,780,647 km (0.112 R)
• M11: 9,984,311 km (0.084 R)
• M12: 10,758,630 km (0.089 R)
• M13: 13,178,376 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 241.2

Radius: 4.8

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 8.8 AU - 10.08 AU

Year: 18441 Days

Day: 21.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 50,900,636 km

• M1: 64,776 km (0.114 R)
• M2: 518,506 km (0.066 R)
• M3: 652,696 km (0.037 R)
• M4: 1,056,161 km (0.054 R)
• M5: 3,211,866 km (0.102 R)
• M6: 3,576,287 km (0.115 R)
• M7: 3,932,479 km (0.098 R)
• M8: 4,424,357 km (0.085 R)
• M9: 4,635,440 km (0.094 R)
• M10: 6,323,352 km (0.108 R)
• M11: 6,795,932 km (0.092 R)
• M12: 6,907,382 km (0.043 R)
• M13: 10,127,477 km (0.112 R)
• M14: 11,195,007 km (0.116 R)
• M15: 12,068,060 km (0.068 R)
• M16: 14,394,906 km (0.098 R)
• M17: 16,519,943 km (0.088 R)
• M18: 18,058,707 km (0.051 R)
• M19: 19,289,000 km (0.053 R)
• M20: 20,949,237 km (0.05 R)
• M21: 21,079,836 km (0.084 R)
• M22: 24,546,467 km (0.027 R)
• M23: 25,185,699 km (0.113 R)
• M24: 25,833,159 km (0.078 R)
• M25: 26,050,824 km (0.089 R)
• M26: 28,429,430 km (0.086 R)
• M27: 32,273,347 km (0.062 R)
• M28: 34,915,395 km (0.119 R)
• M29: 35,507,204 km (0.099 R)
• M30: 36,104,100 km (0.116 R)
• M31: 36,361,408 km (0.058 R)
• M32: 40,149,974 km (0.068 R)
• M33: 43,185,016 km (0.087 R)
• M34: 43,466,409 km (0.117 R)
• M35: 47,502,261 km (0.066 R)
• M36: 50,494,667 km (0.089 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 20,229 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit