🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.1

Radius: 11.3

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.9 AU - 0.92 AU

Year: 579 Days

Day: 8.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,449,508 km

• M1: 140,622 km (0.102 R)
• M2: 498,460 km (0.095 R)
• M3: 915,689 km (0.042 R)
• M4: 1,437,785 km (0.09 R)
• M5: 2,101,401 km (0.082 R)
• M6: 2,830,392 km (0.073 R)
• M7: 3,254,352 km (0.104 R)
• M8: 3,644,204 km (0.065 R)
• M9: 4,120,075 km (0.087 R)
• M10: 4,834,554 km (0.112 R)
• M11: 5,229,942 km (0.056 R)
• M12: 5,890,117 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.4

Radius: 14.8

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.25 AU - 1.45 AU

Year: 1046 Days

Day: 5.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,449,508 km

• M1: 184,753 km (0.095 R)
• M2: 657,034 km (0.117 R)
• M3: 1,249,741 km (0.11 R)
• M4: 1,932,804 km (0.086 R)
• M5: 2,567,249 km (0.078 R)
• M6: 3,659,164 km (0.105 R)
• M7: 4,195,323 km (0.054 R)
• M8: 4,820,343 km (0.117 R)
• M9: 5,427,710 km (0.102 R)
• M10: 6,043,156 km (0.109 R)
• M11: 7,464,036 km (0.111 R)
• M12: 8,279,793 km (0.044 R)
• M13: 8,791,867 km (0.074 R)
• M14: 9,267,887 km (0.063 R)
• M15: 9,731,641 km (0.059 R)
• M16: 10,241,321 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.8

Radius: 9.7

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.62 AU - 2.4 AU

Year: 1900 Days

Day: 9.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,449,508 km

• M1: 120,875 km (0.106 R)
• M2: 482,304 km (0.106 R)
• M3: 984,803 km (0.095 R)
• M4: 1,289,982 km (0.108 R)
• M5: 1,600,099 km (0.093 R)
• M6: 2,041,263 km (0.074 R)
• M7: 2,952,763 km (0.118 R)
• M8: 3,283,524 km (0.071 R)
• M9: 4,133,988 km (0.076 R)
• M10: 4,611,205 km (0.069 R)
• M11: 5,213,935 km (0.078 R)
• M12: 5,723,615 km (0.093 R)
• M13: 6,472,053 km (0.076 R)
• M14: 9,408,808 km (0.104 R)
• M15: 11,451,567 km (0.112 R)
• M16: 12,760,698 km (0.082 R)
• M17: 13,817,159 km (0.119 R)
• M18: 14,930,765 km (0.114 R)
• M19: 15,252,999 km (0.064 R)
• M20: 15,721,390 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.9

Radius: 14.4

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.79 AU - 2.87 AU

Year: 2372 Days

Day: 8.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,449,508 km

• M1: 179,069 km (0.112 R)
• M2: 950,096 km (0.09 R)
• M3: 1,407,267 km (0.101 R)
• M4: 1,918,144 km (0.047 R)
• M5: 2,368,433 km (0.115 R)
• M6: 3,228,920 km (0.085 R)
• M7: 3,875,183 km (0.071 R)
• M8: 5,348,573 km (0.091 R)
• M9: 6,190,958 km (0.076 R)
• M10: 6,691,064 km (0.107 R)
• M11: 7,341,815 km (0.036 R)
• M12: 8,465,444 km (0.104 R)
• M13: 9,025,688 km (0.086 R)
• M14: 9,610,766 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.8

Radius: 14.1

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.73 AU - 4.65 AU

Year: 5719 Days

Day: 5.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,449,508 km

• M1: 175,478 km (0.067 R)
• M2: 644,019 km (0.06 R)
• M3: 1,780,963 km (0.11 R)
• M4: 2,296,477 km (0.119 R)
• M5: 7,867,352 km (0.084 R)
• M6: 9,901,733 km (0.101 R)
• M7: 10,512,841 km (0.11 R)
• M8: 11,991,765 km (0.111 R)
• M9: 14,671,662 km (0.098 R)
• M10: 20,923,057 km (0.12 R)
• M11: 22,900,891 km (0.096 R)
• M12: 24,556,191 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.9

Radius: 11

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.33 AU - 6.05 AU

Year: 9051 Days

Day: 14.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,449,508 km

• M1: 138,228 km (0.053 R)
• M2: 558,598 km (0.117 R)
• M3: 1,080,097 km (0.073 R)
• M4: 1,632,412 km (0.039 R)
• M5: 2,164,831 km (0.089 R)
• M6: 2,563,509 km (0.08 R)
• M7: 4,298,545 km (0.115 R)
• M8: 5,443,567 km (0.082 R)
• M9: 6,638,555 km (0.114 R)
• M10: 9,954,990 km (0.114 R)
• M11: 17,701,018 km (0.102 R)
• M12: 18,327,385 km (0.104 R)
• M13: 25,429,095 km (0.118 R)
• M14: 29,975,524 km (0.056 R)
• M15: 31,977,442 km (0.061 R)
• M16: 33,220,601 km (0.065 R)
• M17: 35,913,362 km (0.043 R)
• M18: 37,597,086 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.6

Radius: 3.1

Gravity: 103.7 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.17 AU - 8.59 AU

Year: 12034 Days

Day: 15.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 61,449,508 km

• M1: 39,793 km (0.092 R)
• M2: 203,453 km (0.085 R)
• M3: 552,315 km (0.087 R)
• M4: 666,010 km (0.059 R)
• M5: 1,009,636 km (0.061 R)
• M6: 1,130,362 km (0.114 R)
• M7: 1,288,038 km (0.098 R)
• M8: 1,445,265 km (0.108 R)
• M9: 1,815,370 km (0.12 R)
• M10: 1,921,734 km (0.043 R)
• M11: 2,347,340 km (0.077 R)
• M12: 2,903,695 km (0.103 R)
• M13: 3,737,703 km (0.111 R)
• M14: 4,333,252 km (0.105 R)
• M15: 5,093,508 km (0.099 R)
• M16: 5,823,247 km (0.063 R)
• M17: 6,094,318 km (0.075 R)
• M18: 6,620,005 km (0.059 R)
• M19: 7,486,925 km (0.098 R)
• M20: 8,673,385 km (0.068 R)
• M21: 10,255,832 km (0.119 R)
• M22: 10,650,920 km (0.11 R)
• M23: 11,056,031 km (0.065 R)
• M24: 12,651,043 km (0.104 R)
• M25: 12,779,697 km (0.092 R)
• M26: 16,137,122 km (0.11 R)
• M27: 16,748,379 km (0.112 R)
• M28: 18,841,553 km (0.099 R)
• M29: 22,018,263 km (0.086 R)
• M30: 25,024,732 km (0.116 R)
• M31: 30,662,776 km (0.113 R)
• M32: 33,774,861 km (0.108 R)
• M33: 37,619,676 km (0.059 R)
• M34: 42,895,095 km (0.073 R)
• M35: 43,477,480 km (0.045 R)
• M36: 45,557,488 km (0.083 R)
• M37: 46,316,099 km (0.106 R)
• M38: 48,800,321 km (0.106 R)
• M39: 53,358,718 km (0.039 R)
• M40: 60,168,862 km (0.112 R)
• M41: 60,532,983 km (0.111 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 17,045 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit