🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.4

Radius: 9.8

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.53 AU - 0.61 AU

Year: 287 Days

Day: 11.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,121,688 km

• M1: 121,922 km (0.058 R)
• M2: 501,901 km (0.086 R)
• M3: 978,520 km (0.034 R)
• M4: 1,534,126 km (0.106 R)
• M5: 2,093,473 km (0.062 R)
• M6: 2,404,636 km (0.094 R)
• M7: 2,821,266 km (0.048 R)
• M8: 3,348,449 km (0.066 R)
• M9: 3,686,391 km (0.107 R)
• M10: 4,071,456 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.5

Radius: 11

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.62 AU - 0.76 AU

Year: 382 Days

Day: 5.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,121,688 km

• M1: 137,181 km (0.067 R)
• M2: 799,451 km (0.071 R)
• M3: 1,283,849 km (0.106 R)
• M4: 1,797,718 km (0.044 R)
• M5: 2,193,703 km (0.116 R)
• M6: 2,926,284 km (0.087 R)
• M7: 3,458,404 km (0.108 R)
• M8: 3,882,214 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.5

Radius: 11.2

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.83 AU - 0.91 AU

Year: 541 Days

Day: 6.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,121,688 km

• M1: 139,276 km (0.091 R)
• M2: 567,275 km (0.079 R)
• M3: 1,169,706 km (0.12 R)
• M4: 1,597,256 km (0.06 R)
• M5: 2,553,486 km (0.09 R)
• M6: 3,142,004 km (0.107 R)
• M7: 3,635,228 km (0.039 R)
• M8: 4,087,463 km (0.082 R)
• M9: 4,880,481 km (0.072 R)
• M10: 5,321,795 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.2

Radius: 10.2

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.74 AU - 1.04 AU

Year: 560 Days

Day: 14.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,121,688 km

• M1: 126,859 km (0.117 R)
• M2: 449,990 km (0.075 R)
• M3: 768,185 km (0.055 R)
• M4: 1,212,640 km (0.025 R)
• M5: 1,530,685 km (0.098 R)
• M6: 1,865,336 km (0.095 R)
• M7: 2,501,576 km (0.096 R)
• M8: 2,998,989 km (0.102 R)
• M9: 3,376,574 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.9

Radius: 11.6

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.43 AU - 1.47 AU

Year: 1164 Days

Day: 10.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,121,688 km

• M1: 151,243 km (0.116 R)
• M2: 533,466 km (0.076 R)
• M3: 904,469 km (0.067 R)
• M4: 1,441,525 km (0.094 R)
• M5: 1,939,536 km (0.092 R)
• M6: 2,392,968 km (0.099 R)
• M7: 3,938,164 km (0.045 R)
• M8: 4,787,132 km (0.112 R)
• M9: 5,710,600 km (0.091 R)
• M10: 6,157,448 km (0.09 R)
• M11: 6,921,145 km (0.092 R)
• M12: 7,746,926 km (0.09 R)
• M13: 10,423,232 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.2

Radius: 13.8

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.2 AU - 6.22 AU

Year: 9099 Days

Day: 6.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,121,688 km

• M1: 172,038 km (0.086 R)
• M2: 618,737 km (0.087 R)
• M3: 1,212,940 km (0.07 R)
• M4: 1,767,948 km (0.066 R)
• M5: 2,453,704 km (0.084 R)
• M6: 2,976,998 km (0.118 R)
• M7: 3,406,194 km (0.111 R)
• M8: 4,008,176 km (0.107 R)
• M9: 4,920,872 km (0.043 R)
• M10: 5,863,788 km (0.092 R)
• M11: 7,895,028 km (0.03 R)
• M12: 8,457,815 km (0.093 R)
• M13: 9,187,254 km (0.086 R)
• M14: 12,245,334 km (0.101 R)
• M15: 12,823,829 km (0.097 R)
• M16: 13,542,048 km (0.087 R)
• M17: 14,734,044 km (0.097 R)
• M18: 15,190,467 km (0.086 R)
• M19: 17,761,905 km (0.081 R)
• M20: 19,112,474 km (0.056 R)
• M21: 20,369,545 km (0.059 R)
• M22: 24,472,117 km (0.107 R)
• M23: 25,298,346 km (0.118 R)
• M24: 30,546,539 km (0.088 R)
• M25: 33,145,652 km (0.109 R)
• M26: 35,538,021 km (0.099 R)
• M27: 37,315,992 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725

Radius: 3.6

Gravity: 55.94 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.64 AU - 9.08 AU

Year: 13315 Days

Day: 21.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 59,121,688 km

• M1: 45,029 km (0.069 R)
• M2: 228,586 km (0.104 R)
• M3: 377,884 km (0.045 R)
• M4: 553,662 km (0.071 R)
• M5: 1,246,749 km (0.08 R)
• M6: 2,621,403 km (0.117 R)
• M7: 2,755,443 km (0.071 R)
• M8: 3,260,934 km (0.068 R)
• M9: 4,297,797 km (0.09 R)
• M10: 4,644,116 km (0.066 R)
• M11: 5,042,944 km (0.081 R)
• M12: 5,285,891 km (0.073 R)
• M13: 6,619,107 km (0.107 R)
• M14: 6,910,374 km (0.073 R)
• M15: 7,297,235 km (0.094 R)
• M16: 8,593,350 km (0.097 R)
• M17: 9,450,995 km (0.054 R)
• M18: 9,873,759 km (0.084 R)
• M19: 11,334,582 km (0.076 R)
• M20: 13,127,064 km (0.066 R)
• M21: 13,322,588 km (0.118 R)
• M22: 15,171,318 km (0.115 R)
• M23: 17,812,918 km (0.108 R)
• M24: 19,283,764 km (0.103 R)
• M25: 20,833,747 km (0.035 R)
• M26: 24,571,151 km (0.108 R)
• M27: 26,389,812 km (0.031 R)
• M28: 29,728,538 km (0.067 R)
• M29: 31,557,072 km (0.092 R)
• M30: 33,217,310 km (0.066 R)
• M31: 33,338,185 km (0.063 R)
• M32: 34,068,970 km (0.078 R)
• M33: 34,191,790 km (0.073 R)
• M34: 46,047,272 km (0.114 R)
• M35: 48,489,307 km (0.101 R)
• M36: 50,536,105 km (0.117 R)
• M37: 51,177,282 km (0.107 R)
• M38: 52,312,281 km (0.084 R)
• M39: 52,968,268 km (0.119 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 12,622 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit