🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.6

Radius: 13.5

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.83 AU - 1.29 AU

Year: 728 Days

Day: 6.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 79,190,485 km

• M1: 167,849 km (0.098 R)
• M2: 627,114 km (0.087 R)
• M3: 1,224,758 km (0.114 R)
• M4: 2,465,223 km (0.118 R)
• M5: 3,793,952 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.6

Radius: 9.8

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.03 AU - 2.09 AU

Year: 1972 Days

Day: 7.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,190,485 km

• M1: 121,922 km (0.104 R)
• M2: 440,715 km (0.035 R)
• M3: 836,102 km (0.117 R)
• M4: 1,424,022 km (0.112 R)
• M5: 1,757,925 km (0.106 R)
• M6: 2,546,305 km (0.038 R)
• M7: 3,186,734 km (0.117 R)
• M8: 4,043,930 km (0.106 R)
• M9: 4,598,639 km (0.084 R)
• M10: 5,203,463 km (0.08 R)
• M11: 5,715,087 km (0.113 R)
• M12: 6,414,607 km (0.027 R)
• M13: 8,196,318 km (0.05 R)
• M14: 8,857,540 km (0.082 R)
• M15: 10,393,910 km (0.092 R)
• M16: 11,244,225 km (0.092 R)
• M17: 11,981,293 km (0.104 R)
• M18: 13,252,277 km (0.119 R)
• M19: 15,347,694 km (0.098 R)
• M20: 16,351,795 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.8

Radius: 10.2

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.55 AU - 2.57 AU

Year: 1972 Days

Day: 10.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,190,485 km

• M1: 126,859 km (0.102 R)
• M2: 483,052 km (0.097 R)
• M3: 949,498 km (0.075 R)
• M4: 1,283,999 km (0.107 R)
• M5: 2,582,358 km (0.106 R)
• M6: 3,346,804 km (0.11 R)
• M7: 3,977,807 km (0.078 R)
• M8: 5,060,148 km (0.071 R)
• M9: 5,476,628 km (0.086 R)
• M10: 6,554,780 km (0.118 R)
• M11: 7,403,748 km (0.08 R)
• M12: 10,779,125 km (0.036 R)
• M13: 11,285,663 km (0.084 R)
• M14: 12,861,079 km (0.088 R)
• M15: 13,638,838 km (0.097 R)
• M16: 14,274,778 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.9

Radius: 10.8

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.32 AU - 5.36 AU

Year: 6029 Days

Day: 9.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 79,190,485 km

• M1: 134,339 km (0.04 R)
• M2: 497,563 km (0.11 R)
• M3: 1,319,752 km (0.097 R)
• M4: 2,116,660 km (0.078 R)
• M5: 2,757,388 km (0.047 R)
• M6: 3,208,725 km (0.115 R)
• M7: 3,751,316 km (0.102 R)
• M8: 4,472,827 km (0.067 R)
• M9: 4,816,453 km (0.11 R)
• M10: 5,669,011 km (0.101 R)
• M11: 6,904,839 km (0.064 R)
• M12: 7,332,091 km (0.117 R)
• M13: 8,131,093 km (0.037 R)
• M14: 8,948,795 km (0.081 R)
• M15: 9,617,498 km (0.098 R)
• M16: 10,109,226 km (0.046 R)
• M17: 10,617,858 km (0.105 R)
• M18: 14,035,721 km (0.092 R)
• M19: 15,211,411 km (0.099 R)
• M20: 16,336,237 km (0.115 R)
• M21: 16,684,202 km (0.116 R)
• M22: 17,515,517 km (0.092 R)
• M23: 17,880,087 km (0.071 R)
• M24: 19,389,530 km (0.085 R)
• M25: 21,601,633 km (0.112 R)
• M26: 23,385,588 km (0.098 R)
• M27: 24,577,883 km (0.088 R)
• M28: 24,958,610 km (0.1 R)
• M29: 26,203,413 km (0.065 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 640.2

Radius: 4.6

Gravity: 30.26 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 6.39 AU - 8.37 AU

Year: 13369 Days

Day: 20.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 79,190,485 km

• M1: 57,146 km (0.029 R)
• M2: 226,790 km (0.114 R)
• M3: 372,200 km (0.086 R)
• M4: 546,631 km (0.099 R)
• M5: 766,689 km (0.088 R)
• M6: 934,388 km (0.097 R)
• M7: 1,251,835 km (0.102 R)
• M8: 2,410,620 km (0.102 R)
• M9: 2,642,347 km (0.066 R)
• M10: 3,748,324 km (0.105 R)
• M11: 4,088,809 km (0.079 R)
• M12: 4,357,487 km (0.119 R)
• M13: 5,843,891 km (0.073 R)
• M14: 6,459,337 km (0.117 R)
• M15: 7,908,641 km (0.118 R)
• M16: 8,564,029 km (0.082 R)
• M17: 9,053,663 km (0.052 R)
• M18: 9,407,462 km (0.101 R)
• M19: 10,250,596 km (0.105 R)
• M20: 10,971,807 km (0.12 R)
• M21: 13,795,916 km (0.098 R)
• M22: 14,743,020 km (0.083 R)
• M23: 15,021,421 km (0.058 R)
• M24: 15,950,574 km (0.091 R)
• M25: 17,843,735 km (0.087 R)
• M26: 20,392,733 km (0.071 R)
• M27: 21,709,045 km (0.072 R)
• M28: 23,174,356 km (0.105 R)
• M29: 23,931,321 km (0.096 R)
• M30: 31,960,987 km (0.119 R)
• M31: 33,612,996 km (0.092 R)
• M32: 34,827,132 km (0.079 R)
• M33: 35,445,121 km (0.09 R)
• M34: 36,702,790 km (0.081 R)
• M35: 43,155,994 km (0.097 R)
• M36: 46,648,954 km (0.098 R)
• M37: 55,354,204 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.2

Radius: 7.9

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 10.5 AU - 10.64 AU

Year: 22916 Days

Day: 15.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 79,190,485 km

• M1: 98,286 km (0.04 R)
• M2: 590,912 km (0.117 R)
• M3: 862,581 km (0.097 R)
• M4: 1,456,485 km (0.11 R)
• M5: 2,863,752 km (0.067 R)
• M6: 3,976,012 km (0.079 R)
• M7: 4,647,108 km (0.089 R)
• M8: 6,299,267 km (0.104 R)
• M9: 8,628,356 km (0.099 R)
• M10: 9,346,576 km (0.088 R)
• M11: 13,913,799 km (0.116 R)
• M12: 15,056,128 km (0.119 R)
• M13: 18,139,191 km (0.12 R)
• M14: 19,131,174 km (0.065 R)
• M15: 21,321,586 km (0.065 R)
• M16: 25,187,494 km (0.099 R)
• M17: 25,520,050 km (0.113 R)
• M18: 26,193,839 km (0.053 R)
• M19: 27,812,339 km (0.114 R)
• M20: 30,238,517 km (0.096 R)
• M21: 32,934,270 km (0.085 R)
• M22: 39,093,813 km (0.116 R)
• M23: 42,599,938 km (0.038 R)
• M24: 49,359,668 km (0.108 R)
• M25: 54,365,661 km (0.115 R)
• M26: 56,610,976 km (0.088 R)
• M27: 60,489,301 km (0.102 R)
• M28: 62,899,322 km (0.115 R)
• M29: 66,211,270 km (0.115 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 17,487 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit