🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.7

Radius: 10.6

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.69 AU - 0.95 AU

Year: 479 Days

Day: 9.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,084,081 km

• M1: 131,796 km (0.085 R)
• M2: 571,314 km (0.058 R)
• M3: 917,783 km (0.069 R)
• M4: 1,317,209 km (0.108 R)
• M5: 1,761,814 km (0.043 R)
• M6: 2,789,551 km (0.119 R)
• M7: 3,188,080 km (0.05 R)
• M8: 3,636,275 km (0.097 R)
• M9: 3,999,798 km (0.094 R)
• M10: 4,347,763 km (0.098 R)
• M11: 4,786,384 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.7

Radius: 14.2

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.84 AU - 0.92 AU

Year: 533 Days

Day: 12.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,084,081 km

• M1: 176,675 km (0.108 R)
• M2: 620,233 km (0.115 R)
• M3: 1,190,949 km (0.041 R)
• M4: 1,667,119 km (0.058 R)
• M5: 2,222,127 km (0.12 R)
• M6: 2,730,760 km (0.079 R)
• M7: 3,725,885 km (0.088 R)
• M8: 4,396,233 km (0.042 R)
• M9: 4,862,679 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.1

Radius: 9.7

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.94 AU - 1.96 AU

Year: 1758 Days

Day: 11.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,084,081 km

• M1: 120,875 km (0.085 R)
• M2: 455,376 km (0.117 R)
• M3: 1,055,712 km (0.085 R)
• M4: 1,359,545 km (0.077 R)
• M5: 1,722,769 km (0.1 R)
• M6: 2,304,705 km (0.034 R)
• M7: 2,675,857 km (0.109 R)
• M8: 3,394,525 km (0.03 R)
• M9: 3,808,163 km (0.119 R)
• M10: 4,697,074 km (0.084 R)
• M11: 5,673,350 km (0.114 R)
• M12: 6,577,220 km (0.028 R)
• M13: 7,740,493 km (0.1 R)
• M14: 8,973,927 km (0.058 R)
• M15: 10,642,243 km (0.088 R)
• M16: 12,507,878 km (0.074 R)
• M17: 13,416,835 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.4

Radius: 13

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.77 AU - 5.95 AU

Year: 8012 Days

Day: 14.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,084,081 km

• M1: 161,715 km (0.056 R)
• M2: 696,677 km (0.052 R)
• M3: 1,168,060 km (0.093 R)
• M4: 1,767,200 km (0.106 R)
• M5: 2,234,992 km (0.119 R)
• M6: 2,974,604 km (0.07 R)
• M7: 3,426,240 km (0.089 R)
• M8: 4,217,912 km (0.086 R)
• M9: 7,337,925 km (0.072 R)
• M10: 8,431,635 km (0.054 R)
• M11: 11,259,933 km (0.108 R)
• M12: 11,971,570 km (0.1 R)
• M13: 12,712,977 km (0.061 R)
• M14: 13,184,360 km (0.108 R)
• M15: 14,477,633 km (0.088 R)
• M16: 16,331,151 km (0.097 R)
• M17: 19,401,198 km (0.057 R)
• M18: 20,585,265 km (0.12 R)
• M19: 25,341,281 km (0.084 R)
• M20: 28,122,455 km (0.095 R)
• M21: 30,155,191 km (0.088 R)
• M22: 30,573,167 km (0.09 R)
• M23: 33,163,155 km (0.105 R)
• M24: 33,832,755 km (0.088 R)
• M25: 38,407,757 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.3

Radius: 14

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.15 AU - 6.63 AU

Year: 9230 Days

Day: 9.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,084,081 km

• M1: 174,132 km (0.083 R)
• M2: 672,592 km (0.104 R)
• M3: 1,130,362 km (0.068 R)
• M4: 1,670,410 km (0.119 R)
• M5: 2,577,272 km (0.104 R)
• M6: 3,080,968 km (0.082 R)
• M7: 4,238,407 km (0.099 R)
• M8: 4,720,262 km (0.052 R)
• M9: 5,450,748 km (0.114 R)
• M10: 6,357,162 km (0.07 R)
• M11: 7,902,657 km (0.104 R)
• M12: 8,891,649 km (0.115 R)
• M13: 9,915,347 km (0.084 R)
• M14: 11,829,152 km (0.106 R)
• M15: 12,845,969 km (0.119 R)
• M16: 16,834,847 km (0.103 R)
• M17: 17,301,293 km (0.077 R)
• M18: 22,055,214 km (0.095 R)
• M19: 25,031,464 km (0.068 R)
• M20: 27,800,819 km (0.093 R)
• M21: 30,374,352 km (0.053 R)
• M22: 31,467,015 km (0.109 R)
• M23: 34,047,727 km (0.097 R)
• M24: 34,794,969 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767

Radius: 4.4

Gravity: 39.62 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 7.18 AU - 8.32 AU

Year: 13931 Days

Day: 17.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,084,081 km

• M1: 55,950 km (0.084 R)
• M2: 200,611 km (0.111 R)
• M3: 550,969 km (0.101 R)
• M4: 1,316,760 km (0.073 R)
• M5: 1,780,215 km (0.081 R)
• M6: 2,579,815 km (0.112 R)
• M7: 3,352,039 km (0.097 R)
• M8: 5,447,457 km (0.103 R)
• M9: 7,000,732 km (0.094 R)
• M10: 9,767,993 km (0.104 R)
• M11: 10,601,702 km (0.046 R)
• M12: 11,006,514 km (0.087 R)
• M13: 14,273,133 km (0.052 R)
• M14: 15,125,990 km (0.097 R)
• M15: 17,726,300 km (0.098 R)
• M16: 18,132,160 km (0.072 R)
• M17: 20,788,419 km (0.114 R)
• M18: 23,400,548 km (0.086 R)
• M19: 34,885,176 km (0.072 R)
• M20: 39,508,798 km (0.046 R)
• M21: 40,340,412 km (0.108 R)
• M22: 43,931,060 km (0.106 R)
• M23: 48,041,860 km (0.04 R)
• M24: 54,251,219 km (0.074 R)
• M25: 55,796,266 km (0.114 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 12,180 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit