🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.96 AU - 1.38 AU

Year: 485 Days

Day: 46.4 Hours

Environment

Temp: -0 °C

Axial Tilt: 7.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Gas Giant

Semi-Major Axis: 8.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.2

Radius: 10.8

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.87 AU - 9.65 AU

Year: 9089 Days

Day: 7.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,122,407 km

• M1: 134,488 km (0.081 R)
• M2: 541,245 km (0.061 R)
• M3: 938,278 km (0.06 R)
• M4: 1,547,141 km (0.07 R)
• M5: 2,061,459 km (0.059 R)
• M6: 2,515,189 km (0.111 R)
• M7: 3,013,948 km (0.086 R)
• M8: 4,157,624 km (0.097 R)
• M9: 8,296,848 km (0.055 R)
• M10: 9,041,097 km (0.104 R)
• M11: 10,363,243 km (0.099 R)
• M12: 11,174,363 km (0.109 R)
• M13: 12,638,627 km (0.107 R)
• M14: 12,980,607 km (0.096 R)
• M15: 14,597,162 km (0.094 R)
• M16: 14,973,849 km (0.066 R)
• M17: 16,546,272 km (0.098 R)
• M18: 17,938,281 km (0.049 R)
• M19: 19,107,089 km (0.036 R)
• M20: 19,862,857 km (0.1 R)
• M21: 21,273,416 km (0.112 R)
• M22: 25,996,520 km (0.098 R)
• M23: 27,018,572 km (0.105 R)
• M24: 32,215,303 km (0.117 R)
• M25: 33,829,763 km (0.083 R)
• M26: 35,497,630 km (0.049 R)
• M27: 36,755,000 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 11.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.5

Radius: 11.8

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 9.25 AU - 12.79 AU

Year: 14007 Days

Day: 14.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,122,407 km

• M1: 150,795 km (0.099 R)
• M2: 830,119 km (0.108 R)
• M3: 1,332,917 km (0.117 R)
• M4: 2,036,177 km (0.042 R)
• M5: 4,511,124 km (0.097 R)
• M6: 7,485,129 km (0.108 R)
• M7: 8,022,934 km (0.115 R)
• M8: 8,976,620 km (0.038 R)
• M9: 9,378,739 km (0.066 R)
• M10: 10,219,180 km (0.102 R)
• M11: 12,170,984 km (0.117 R)
• M12: 14,292,281 km (0.089 R)
• M13: 29,339,284 km (0.116 R)
• M14: 32,998,598 km (0.056 R)
• M15: 35,434,051 km (0.113 R)
• M16: 39,980,629 km (0.08 R)
• M17: 43,029,284 km (0.066 R)
• M18: 44,320,015 km (0.105 R)
• M19: 55,758,567 km (0.101 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 581.3

Radius: 5.9

Gravity: 16.7 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 12.89 AU - 20.85 AU

Year: 26530 Days

Day: 19.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,122,407 km

• M1: 74,949 km (0.072 R)
• M2: 287,228 km (0.101 R)
• M3: 597,195 km (0.104 R)
• M4: 822,040 km (0.075 R)
• M5: 1,531,284 km (0.098 R)
• M6: 1,764,806 km (0.094 R)
• M7: 1,960,480 km (0.086 R)
• M8: 2,612,278 km (0.066 R)
• M9: 2,841,462 km (0.037 R)
• M10: 3,056,284 km (0.1 R)
• M11: 3,428,783 km (0.034 R)
• M12: 3,831,052 km (0.119 R)
• M13: 4,841,585 km (0.098 R)
• M14: 5,347,825 km (0.095 R)
• M15: 6,465,470 km (0.052 R)
• M16: 6,791,145 km (0.099 R)
• M17: 10,676,800 km (0.117 R)
• M18: 11,198,149 km (0.093 R)
• M19: 13,756,272 km (0.039 R)
• M20: 15,663,047 km (0.12 R)
• M21: 18,749,101 km (0.098 R)
• M22: 21,186,499 km (0.075 R)
• M23: 22,113,258 km (0.092 R)
• M24: 24,942,154 km (0.119 R)
• M25: 31,570,237 km (0.051 R)
• M26: 33,324,571 km (0.117 R)
• M27: 34,155,887 km (0.088 R)
• M28: 35,859,657 km (0.12 R)
• M29: 37,174,173 km (0.086 R)
• M30: 41,309,956 km (0.113 R)
• M31: 43,406,271 km (0.112 R)
• M32: 47,635,104 km (0.105 R)
• M33: 50,844,576 km (0.052 R)
• M34: 54,385,408 km (0.115 R)
• M35: 66,205,286 km (0.06 R)
• M36: 79,872,248 km (0.087 R)
• M37: 83,878,180 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605

Radius: 7.2

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 17.27 AU - 17.73 AU

Year: 28030 Days

Day: 19 Hours

Environment

Temp: -205 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,122,407 km

• M1: 89,609 km (0.112 R)
• M2: 324,328 km (0.05 R)
• M3: 1,215,333 km (0.115 R)
• M4: 2,116,062 km (0.095 R)
• M5: 3,523,329 km (0.052 R)
• M6: 6,338,611 km (0.035 R)
• M7: 7,764,429 km (0.105 R)
• M8: 8,357,285 km (0.082 R)
• M9: 9,332,364 km (0.08 R)
• M10: 10,253,887 km (0.096 R)
• M11: 11,033,890 km (0.116 R)
• M12: 12,932,287 km (0.083 R)
• M13: 14,075,963 km (0.088 R)
• M14: 16,129,792 km (0.084 R)
• M15: 19,232,452 km (0.112 R)
• M16: 27,560,416 km (0.116 R)
• M17: 31,958,294 km (0.075 R)
• M18: 42,441,215 km (0.073 R)
• M19: 45,465,186 km (0.083 R)
• M20: 49,716,459 km (0.077 R)
• M21: 50,449,937 km (0.047 R)
• M22: 51,750,691 km (0.057 R)
• M23: 52,314,974 km (0.114 R)
• M24: 54,807,573 km (0.06 R)
• M25: 60,028,090 km (0.048 R)
• M26: 62,972,027 km (0.057 R)
• M27: 68,691,901 km (0.111 R)
• M28: 69,373,320 km (0.08 R)
• M29: 70,289,008 km (0.052 R)
• M30: 70,519,090 km (0.096 R)
• M31: 89,521,909 km (0.12 R)
• M32: 90,334,973 km (0.1 R)
• M33: 91,426,589 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112.5

Radius: 4.9

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 17.71 AU - 18.59 AU

Year: 29606 Days

Day: 18.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,122,407 km

• M1: 61,335 km (0.053 R)
• M2: 236,215 km (0.032 R)
• M3: 480,658 km (0.101 R)
• M4: 676,781 km (0.045 R)
• M5: 978,669 km (0.096 R)
• M6: 1,477,279 km (0.076 R)
• M7: 1,718,730 km (0.07 R)
• M8: 2,039,318 km (0.103 R)
• M9: 2,319,665 km (0.113 R)
• M10: 3,759,694 km (0.077 R)
• M11: 5,928,264 km (0.085 R)
• M12: 6,190,360 km (0.09 R)
• M13: 6,538,773 km (0.12 R)
• M14: 7,488,271 km (0.111 R)
• M15: 9,055,458 km (0.099 R)
• M16: 10,554,579 km (0.092 R)
• M17: 12,636,083 km (0.045 R)
• M18: 14,166,470 km (0.113 R)
• M19: 15,462,586 km (0.106 R)
• M20: 16,393,533 km (0.1 R)
• M21: 17,820,547 km (0.105 R)
• M22: 27,430,116 km (0.086 R)
• M23: 29,219,157 km (0.066 R)
• M24: 31,196,542 km (0.08 R)
• M25: 40,132,322 km (0.085 R)
• M26: 48,944,983 km (0.111 R)
• M27: 50,477,314 km (0.115 R)
• M28: 52,995,046 km (0.045 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: 472 - 14,594 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit