🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.3

Radius: 10.1

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.48 AU - 0.62 AU

Year: 277 Days

Day: 14.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,622,397 km

• M1: 125,662 km (0.083 R)
• M2: 443,857 km (0.104 R)
• M3: 997,070 km (0.096 R)
• M4: 1,431,352 km (0.06 R)
• M5: 1,746,705 km (0.116 R)
• M6: 2,225,268 km (0.091 R)
• M7: 2,845,501 km (0.112 R)
• M8: 3,176,711 km (0.118 R)
• M9: 3,599,325 km (0.076 R)
• M10: 3,976,162 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.3

Radius: 11.8

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.1 AU - 1.1 AU

Year: 782 Days

Day: 6.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,622,397 km

• M1: 146,756 km (0.051 R)
• M2: 673,789 km (0.097 R)
• M3: 1,115,103 km (0.105 R)
• M4: 1,839,605 km (0.093 R)
• M5: 2,210,608 km (0.05 R)
• M6: 2,690,219 km (0.096 R)
• M7: 3,159,956 km (0.062 R)
• M8: 3,921,708 km (0.076 R)
• M9: 4,562,137 km (0.116 R)
• M10: 5,711,198 km (0.099 R)
• M11: 6,797,578 km (0.029 R)
• M12: 7,296,786 km (0.063 R)
• M13: 8,166,398 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.9

Radius: 12.4

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.63 AU - 1.71 AU

Year: 1464 Days

Day: 12.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,622,397 km

• M1: 154,235 km (0.119 R)
• M2: 741,557 km (0.084 R)
• M3: 1,312,871 km (0.104 R)
• M4: 2,202,978 km (0.038 R)
• M5: 3,762,686 km (0.052 R)
• M6: 4,529,824 km (0.104 R)
• M7: 5,030,528 km (0.115 R)
• M8: 5,851,072 km (0.089 R)
• M9: 10,340,055 km (0.097 R)
• M10: 11,040,323 km (0.103 R)
• M11: 11,559,727 km (0.111 R)
• M12: 12,168,141 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.1

Radius: 11.5

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.45 AU - 2.03 AU

Year: 1557 Days

Day: 11.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,622,397 km

• M1: 143,016 km (0.056 R)
• M2: 674,537 km (0.096 R)
• M3: 1,203,964 km (0.077 R)
• M4: 1,575,415 km (0.068 R)
• M5: 2,305,602 km (0.108 R)
• M6: 2,666,732 km (0.071 R)
• M7: 3,472,615 km (0.08 R)
• M8: 3,986,634 km (0.076 R)
• M9: 4,395,485 km (0.082 R)
• M10: 5,082,737 km (0.112 R)
• M11: 5,655,548 km (0.075 R)
• M12: 6,320,211 km (0.051 R)
• M13: 6,983,378 km (0.056 R)
• M14: 7,720,447 km (0.064 R)
• M15: 8,299,391 km (0.084 R)
• M16: 8,876,090 km (0.027 R)
• M17: 9,511,732 km (0.079 R)
• M18: 11,490,912 km (0.036 R)
• M19: 11,940,304 km (0.094 R)
• M20: 12,362,469 km (0.099 R)
• M21: 13,075,003 km (0.074 R)
• M22: 14,668,670 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.4

Radius: 9.7

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.98 AU - 3.62 AU

Year: 4066 Days

Day: 6.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,622,397 km

• M1: 120,725 km (0.033 R)
• M2: 442,062 km (0.075 R)
• M3: 791,074 km (0.117 R)
• M4: 1,411,905 km (0.102 R)
• M5: 1,849,478 km (0.109 R)
• M6: 2,594,177 km (0.088 R)
• M7: 4,864,474 km (0.068 R)
• M8: 5,168,158 km (0.065 R)
• M9: 5,926,918 km (0.033 R)
• M10: 11,175,260 km (0.104 R)
• M11: 12,024,078 km (0.116 R)
• M12: 12,819,490 km (0.088 R)
• M13: 14,411,361 km (0.111 R)
• M14: 15,254,794 km (0.086 R)
• M15: 17,156,183 km (0.115 R)
• M16: 19,022,865 km (0.102 R)
• M17: 19,973,111 km (0.115 R)
• M18: 21,558,848 km (0.109 R)
• M19: 23,584,852 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987

Radius: 3.1

Gravity: 102.71 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.75 AU - 7.87 AU

Year: 10751 Days

Day: 23 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,622,397 km

• M1: 38,895 km (0.053 R)
• M2: 275,559 km (0.112 R)
• M3: 486,043 km (0.03 R)
• M4: 904,618 km (0.103 R)
• M5: 1,602,343 km (0.112 R)
• M6: 2,754,246 km (0.065 R)
• M7: 5,075,557 km (0.084 R)
• M8: 5,933,351 km (0.106 R)
• M9: 6,677,451 km (0.089 R)
• M10: 10,333,473 km (0.055 R)
• M11: 11,581,119 km (0.056 R)
• M12: 12,058,636 km (0.105 R)
• M13: 14,922,238 km (0.054 R)
• M14: 16,066,662 km (0.1 R)
• M15: 16,510,519 km (0.111 R)
• M16: 16,660,266 km (0.095 R)
• M17: 17,268,232 km (0.105 R)
• M18: 19,848,795 km (0.093 R)
• M19: 21,142,218 km (0.106 R)
• M20: 22,674,848 km (0.104 R)
• M21: 22,952,801 km (0.102 R)
• M22: 24,765,927 km (0.092 R)
• M23: 25,858,142 km (0.075 R)
• M24: 26,263,253 km (0.114 R)
• M25: 26,467,304 km (0.117 R)
• M26: 29,436,523 km (0.116 R)
• M27: 31,001,167 km (0.096 R)
• M28: 35,401,139 km (0.099 R)
• M29: 37,297,442 km (0.115 R)
• M30: 39,127,473 km (0.066 R)
• M31: 43,390,563 km (0.105 R)
• M32: 48,105,290 km (0.106 R)
• M33: 52,178,391 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.5

Radius: 5.5

Gravity: 22.13 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 8.97 AU - 12.17 AU

Year: 23308 Days

Day: 18.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 83,622,397 km

• M1: 71,657 km (0.093 R)
• M2: 251,923 km (0.034 R)
• M3: 659,727 km (0.092 R)
• M4: 1,045,689 km (0.074 R)
• M5: 1,342,790 km (0.089 R)
• M6: 2,106,188 km (0.098 R)
• M7: 2,605,995 km (0.106 R)
• M8: 3,153,673 km (0.098 R)
• M9: 3,499,393 km (0.069 R)
• M10: 4,836,499 km (0.109 R)
• M11: 5,101,437 km (0.098 R)
• M12: 6,127,080 km (0.115 R)
• M13: 8,854,399 km (0.11 R)
• M14: 13,225,200 km (0.083 R)
• M15: 13,519,758 km (0.092 R)
• M16: 16,968,138 km (0.032 R)
• M17: 18,388,121 km (0.074 R)
• M18: 22,384,778 km (0.054 R)
• M19: 23,872,080 km (0.102 R)
• M20: 26,109,316 km (0.102 R)
• M21: 27,876,217 km (0.111 R)
• M22: 28,482,537 km (0.037 R)
• M23: 28,727,429 km (0.12 R)
• M24: 30,609,520 km (0.049 R)
• M25: 31,254,735 km (0.096 R)
• M26: 34,201,813 km (0.117 R)
• M27: 35,884,789 km (0.077 R)
• M28: 42,847,972 km (0.08 R)
• M29: 48,537,478 km (0.069 R)
• M30: 49,591,245 km (0.036 R)
• M31: 50,839,640 km (0.095 R)
• M32: 55,278,956 km (0.048 R)
• M33: 57,788,161 km (0.039 R)
• M34: 62,411,633 km (0.073 R)
• M35: 67,492,725 km (0.064 R)
• M36: 68,365,479 km (0.101 R)
• M37: 79,918,623 km (0.109 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 10,486 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit