🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.43 AU - 0.59 AU

Year: 239 Days

Day: 23.9 Hours

Environment

Temp: -108 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,997,257 km

• M1: 33,360 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.2

Radius: 8.7

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.77 AU - 0.99 AU

Year: 542 Days

Day: 14.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,997,257 km

• M1: 108,159 km (0.077 R)
• M2: 437,424 km (0.106 R)
• M3: 1,204,861 km (0.118 R)
• M4: 1,576,163 km (0.086 R)
• M5: 1,870,572 km (0.081 R)
• M6: 2,201,632 km (0.068 R)
• M7: 2,542,865 km (0.1 R)
• M8: 2,855,674 km (0.12 R)
• M9: 3,216,803 km (0.051 R)
• M10: 4,706,050 km (0.053 R)
• M11: 5,023,945 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.1

Radius: 13.1

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.02 AU - 1.32 AU

Year: 830 Days

Day: 10.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,997,257 km

• M1: 163,211 km (0.101 R)
• M2: 632,350 km (0.077 R)
• M3: 1,051,224 km (0.082 R)
• M4: 1,599,201 km (0.099 R)
• M5: 2,219,733 km (0.074 R)
• M6: 2,735,547 km (0.115 R)
• M7: 3,587,058 km (0.098 R)
• M8: 4,573,656 km (0.103 R)
• M9: 5,112,507 km (0.119 R)
• M10: 6,361,500 km (0.106 R)
• M11: 6,827,796 km (0.082 R)
• M12: 7,779,837 km (0.05 R)
• M13: 8,764,191 km (0.076 R)
• M14: 9,484,505 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.3

Radius: 9.3

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.31 AU - 1.59 AU

Year: 1145 Days

Day: 11.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,997,257 km

• M1: 115,639 km (0.106 R)
• M2: 650,003 km (0.106 R)
• M3: 1,046,736 km (0.071 R)
• M4: 1,774,530 km (0.101 R)
• M5: 2,277,478 km (0.109 R)
• M6: 2,781,922 km (0.077 R)
• M7: 3,130,485 km (0.086 R)
• M8: 3,676,966 km (0.082 R)
• M9: 4,715,624 km (0.103 R)
• M10: 5,725,111 km (0.085 R)
• M11: 8,059,136 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117.7

Radius: 5.1

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.87 AU - 6.83 AU

Year: 10497 Days

Day: 16.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,997,257 km

• M1: 63,579 km (0.11 R)
• M2: 368,011 km (0.07 R)
• M3: 534,962 km (0.119 R)
• M4: 819,796 km (0.094 R)
• M5: 988,842 km (0.094 R)
• M6: 1,355,357 km (0.09 R)
• M7: 2,308,146 km (0.112 R)
• M8: 3,706,138 km (0.102 R)
• M9: 4,105,564 km (0.103 R)
• M10: 6,419,843 km (0.049 R)
• M11: 7,329,697 km (0.052 R)
• M12: 7,780,136 km (0.119 R)
• M13: 9,006,241 km (0.106 R)
• M14: 9,563,343 km (0.033 R)
• M15: 10,658,399 km (0.072 R)
• M16: 12,796,452 km (0.066 R)
• M17: 14,175,894 km (0.057 R)
• M18: 15,935,764 km (0.071 R)
• M19: 17,287,231 km (0.111 R)
• M20: 25,751,029 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484.3

Radius: 4.7

Gravity: 21.92 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.76 AU - 9.38 AU

Year: 17919 Days

Day: 24.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 62,997,257 km

• M1: 58,493 km (0.033 R)
• M2: 216,767 km (0.103 R)
• M3: 407,505 km (0.1 R)
• M4: 592,707 km (0.091 R)
• M5: 844,330 km (0.035 R)
• M6: 1,018,462 km (0.057 R)
• M7: 1,297,313 km (0.093 R)
• M8: 1,609,374 km (0.107 R)
• M9: 1,792,033 km (0.092 R)
• M10: 2,642,946 km (0.111 R)
• M11: 3,622,213 km (0.087 R)
• M12: 4,177,820 km (0.118 R)
• M13: 4,622,275 km (0.112 R)
• M14: 4,958,571 km (0.06 R)
• M15: 5,168,008 km (0.09 R)
• M16: 6,065,595 km (0.119 R)
• M17: 10,587,041 km (0.076 R)
• M18: 11,349,990 km (0.099 R)
• M19: 12,402,262 km (0.092 R)
• M20: 12,658,972 km (0.099 R)
• M21: 13,450,345 km (0.098 R)
• M22: 15,058,522 km (0.087 R)
• M23: 15,350,686 km (0.101 R)
• M24: 20,199,752 km (0.105 R)
• M25: 21,461,909 km (0.112 R)
• M26: 27,361,151 km (0.096 R)
• M27: 29,016,601 km (0.115 R)
• M28: 31,325,944 km (0.085 R)
• M29: 34,381,480 km (0.055 R)
• M30: 35,015,476 km (0.069 R)
• M31: 35,271,288 km (0.08 R)
• M32: 37,897,928 km (0.109 R)
• M33: 38,167,653 km (0.033 R)
• M34: 39,258,969 km (0.103 R)
• M35: 42,803,392 km (0.102 R)
• M36: 46,247,434 km (0.11 R)
• M37: 48,590,286 km (0.083 R)
• M38: 53,511,009 km (0.065 R)
• M39: 55,395,344 km (0.025 R)
• M40: 55,916,842 km (0.094 R)
• M41: 59,659,332 km (0.108 R)
• M42: 60,574,422 km (0.095 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: 187 - 15,851 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit