🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.1

Radius: 12.8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.67 AU - 0.81 AU

Year: 432 Days

Day: 5.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,506,496 km

• M1: 159,172 km (0.111 R)
• M2: 648,208 km (0.106 R)
• M3: 1,220,719 km (0.074 R)
• M4: 1,712,746 km (0.063 R)
• M5: 2,353,623 km (0.071 R)
• M6: 2,800,622 km (0.084 R)
• M7: 3,673,974 km (0.089 R)
• M8: 4,156,278 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771

Radius: 9.1

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.78 AU - 1.08 AU

Year: 608 Days

Day: 8.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,506,496 km

• M1: 113,246 km (0.1 R)
• M2: 406,607 km (0.105 R)
• M3: 704,756 km (0.092 R)
• M4: 1,045,988 km (0.074 R)
• M5: 1,580,502 km (0.036 R)
• M6: 1,897,948 km (0.09 R)
• M7: 2,190,412 km (0.071 R)
• M8: 2,481,380 km (0.116 R)
• M9: 2,855,973 km (0.094 R)
• M10: 3,192,419 km (0.072 R)
• M11: 3,789,015 km (0.086 R)
• M12: 4,136,531 km (0.104 R)
• M13: 4,649,203 km (0.099 R)
• M14: 6,245,113 km (0.066 R)
• M15: 6,587,093 km (0.087 R)
• M16: 7,048,453 km (0.091 R)
• M17: 7,621,114 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.4

Radius: 14.2

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.21 AU - 1.61 AU

Year: 1136 Days

Day: 7.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,506,496 km

• M1: 176,974 km (0.117 R)
• M2: 643,869 km (0.116 R)
• M3: 1,301,202 km (0.084 R)
• M4: 2,568,446 km (0.098 R)
• M5: 3,210,370 km (0.047 R)
• M6: 3,957,911 km (0.08 R)
• M7: 4,482,401 km (0.112 R)
• M8: 5,896,400 km (0.103 R)
• M9: 7,522,978 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.5

Radius: 10.5

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.17 AU - 1.87 AU

Year: 1271 Days

Day: 7.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 69.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,506,496 km

• M1: 130,599 km (0.066 R)
• M2: 457,321 km (0.066 R)
• M3: 785,688 km (0.078 R)
• M4: 1,145,471 km (0.083 R)
• M5: 1,559,109 km (0.054 R)
• M6: 2,051,884 km (0.116 R)
• M7: 2,610,932 km (0.079 R)
• M8: 3,051,348 km (0.115 R)
• M9: 3,381,809 km (0.102 R)
• M10: 3,906,748 km (0.048 R)
• M11: 4,331,457 km (0.092 R)
• M12: 5,793,926 km (0.045 R)
• M13: 6,683,135 km (0.112 R)
• M14: 7,512,207 km (0.106 R)
• M15: 8,979,313 km (0.088 R)
• M16: 9,988,351 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.8

Radius: 13

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.59 AU - 1.81 AU

Year: 1503 Days

Day: 12.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,506,496 km

• M1: 161,715 km (0.082 R)
• M2: 588,967 km (0.03 R)
• M3: 1,162,226 km (0.108 R)
• M4: 1,585,289 km (0.069 R)
• M5: 2,034,082 km (0.099 R)
• M6: 2,581,760 km (0.118 R)
• M7: 3,664,101 km (0.096 R)
• M8: 4,619,732 km (0.06 R)
• M9: 5,396,145 km (0.115 R)
• M10: 5,992,592 km (0.084 R)
• M11: 8,463,948 km (0.105 R)
• M12: 10,611,575 km (0.117 R)
• M13: 11,292,246 km (0.091 R)
• M14: 12,193,274 km (0.088 R)
• M15: 13,222,806 km (0.04 R)
• M16: 13,633,901 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.9

Radius: 9.3

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.24 AU - 2.8 AU

Year: 2713 Days

Day: 12.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,506,496 km

• M1: 115,639 km (0.094 R)
• M2: 415,583 km (0.087 R)
• M3: 1,088,773 km (0.098 R)
• M4: 1,866,832 km (0.107 R)
• M5: 2,270,447 km (0.12 R)
• M6: 3,373,881 km (0.082 R)
• M7: 5,024,244 km (0.094 R)
• M8: 6,898,855 km (0.11 R)
• M9: 7,930,931 km (0.115 R)
• M10: 9,301,547 km (0.066 R)
• M11: 10,043,103 km (0.042 R)
• M12: 10,634,165 km (0.092 R)
• M13: 11,885,700 km (0.048 R)
• M14: 13,364,176 km (0.113 R)
• M15: 15,009,005 km (0.089 R)
• M16: 15,781,678 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.9

Radius: 11.8

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.09 AU - 3.03 AU

Year: 2778 Days

Day: 10.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,506,496 km

• M1: 146,756 km (0.081 R)
• M2: 620,831 km (0.05 R)
• M3: 1,150,557 km (0.104 R)
• M4: 1,634,207 km (0.114 R)
• M5: 2,064,899 km (0.108 R)
• M6: 2,496,340 km (0.057 R)
• M7: 3,195,560 km (0.068 R)
• M8: 4,518,604 km (0.112 R)
• M9: 5,105,476 km (0.117 R)
• M10: 5,533,176 km (0.085 R)
• M11: 6,289,992 km (0.09 R)
• M12: 6,693,757 km (0.069 R)
• M13: 7,426,188 km (0.069 R)
• M14: 9,717,578 km (0.078 R)
• M15: 11,613,283 km (0.067 R)
• M16: 13,792,026 km (0.107 R)
• M17: 15,805,464 km (0.07 R)
• M18: 17,326,874 km (0.113 R)
• M19: 18,706,765 km (0.084 R)
• M20: 19,302,912 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 644.4

Radius: 5.2

Gravity: 23.83 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.97 AU - 7.73 AU

Year: 12160 Days

Day: 17 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,506,496 km

• M1: 86,318 km (0.113 R)
• M2: 351,106 km (0.096 R)
• M3: 603,179 km (0.087 R)
• M4: 803,490 km (0.108 R)
• M5: 993,180 km (0.112 R)
• M6: 1,381,536 km (0.079 R)
• M7: 2,395,511 km (0.104 R)
• M8: 3,358,323 km (0.113 R)
• M9: 3,667,691 km (0.075 R)
• M10: 3,995,909 km (0.106 R)
• M11: 4,617,039 km (0.078 R)
• M12: 5,334,660 km (0.054 R)
• M13: 6,390,671 km (0.072 R)
• M14: 7,279,582 km (0.111 R)
• M15: 7,886,650 km (0.073 R)
• M16: 13,491,334 km (0.085 R)
• M17: 13,813,119 km (0.09 R)
• M18: 15,428,926 km (0.072 R)
• M19: 15,710,020 km (0.057 R)
• M20: 15,923,048 km (0.051 R)
• M21: 16,868,506 km (0.11 R)
• M22: 17,544,539 km (0.117 R)
• M23: 23,524,415 km (0.074 R)
• M24: 25,719,315 km (0.111 R)
• M25: 26,916,995 km (0.081 R)
• M26: 27,839,416 km (0.096 R)
• M27: 31,739,881 km (0.093 R)
• M28: 37,486,085 km (0.115 R)
• M29: 40,071,884 km (0.033 R)
• M30: 48,688,871 km (0.06 R)
• M31: 49,445,537 km (0.084 R)
• M32: 49,750,268 km (0.045 R)
• M33: 50,363,619 km (0.109 R)
• M34: 51,762,210 km (0.109 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 16,525 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit