🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.7

Radius: 11.9

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.47 AU - 0.71 AU

Year: 307 Days

Day: 12 Hours

Environment

Temp: -145 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,169,796 km

• M1: 152,440 km (0.091 R)
• M2: 597,344 km (0.105 R)
• M3: 1,163,123 km (0.091 R)
• M4: 1,814,173 km (0.11 R)
• M5: 2,260,424 km (0.056 R)
• M6: 2,642,946 km (0.118 R)
• M7: 3,367,747 km (0.116 R)
• M8: 3,789,015 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.1

Radius: 10.8

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.83 AU - 0.87 AU

Year: 532 Days

Day: 5.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,169,796 km

• M1: 134,339 km (0.052 R)
• M2: 489,634 km (0.106 R)
• M3: 971,189 km (0.108 R)
• M4: 1,307,336 km (0.087 R)
• M5: 1,730,997 km (0.072 R)
• M6: 2,545,857 km (0.087 R)
• M7: 2,895,616 km (0.093 R)
• M8: 3,802,778 km (0.081 R)
• M9: 4,173,631 km (0.095 R)
• M10: 4,631,550 km (0.069 R)
• M11: 5,072,265 km (0.113 R)
• M12: 6,788,602 km (0.113 R)

Asteroid Belt

Center: 1.73 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.9

Radius: 14.7

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.35 AU - 2.85 AU

Year: 2843 Days

Day: 5.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,169,796 km

• M1: 182,809 km (0.111 R)
• M2: 790,176 km (0.067 R)
• M3: 1,270,834 km (0.114 R)
• M4: 2,280,320 km (0.113 R)
• M5: 2,846,997 km (0.074 R)
• M6: 3,507,322 km (0.11 R)
• M7: 4,993,727 km (0.053 R)
• M8: 5,538,712 km (0.113 R)
• M9: 6,516,932 km (0.111 R)
• M10: 7,735,855 km (0.111 R)
• M11: 8,468,436 km (0.096 R)
• M12: 9,174,239 km (0.061 R)
• M13: 10,345,740 km (0.101 R)
• M14: 10,906,433 km (0.109 R)
• M15: 11,785,769 km (0.075 R)
• M16: 12,666,601 km (0.09 R)
• M17: 14,759,176 km (0.073 R)
• M18: 16,798,794 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.5

Radius: 9.4

Gravity: 10.89 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.25 AU - 3.97 AU

Year: 4652 Days

Day: 7.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,169,796 km

• M1: 117,285 km (0.097 R)
• M2: 477,816 km (0.065 R)
• M3: 1,130,362 km (0.099 R)
• M4: 1,493,884 km (0.091 R)
• M5: 1,963,921 km (0.065 R)
• M6: 2,652,669 km (0.083 R)
• M7: 3,387,943 km (0.06 R)
• M8: 4,035,851 km (0.085 R)
• M9: 4,764,243 km (0.092 R)
• M10: 5,607,377 km (0.095 R)
• M11: 6,546,702 km (0.1 R)
• M12: 8,224,293 km (0.109 R)
• M13: 8,575,548 km (0.043 R)
• M14: 9,141,926 km (0.095 R)
• M15: 9,604,333 km (0.114 R)
• M16: 11,038,677 km (0.082 R)
• M17: 11,856,230 km (0.092 R)
• M18: 12,154,229 km (0.09 R)
• M19: 12,973,576 km (0.11 R)
• M20: 13,774,673 km (0.094 R)
• M21: 14,779,073 km (0.097 R)
• M22: 15,831,643 km (0.098 R)
• M23: 17,502,951 km (0.105 R)
• M24: 19,979,992 km (0.117 R)
• M25: 25,783,642 km (0.05 R)
• M26: 26,537,615 km (0.076 R)
• M27: 27,048,492 km (0.034 R)
• M28: 29,701,460 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.6

Radius: 9.8

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.23 AU - 5.11 AU

Year: 5776 Days

Day: 11.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,169,796 km

• M1: 121,922 km (0.073 R)
• M2: 695,181 km (0.066 R)
• M3: 1,085,333 km (0.107 R)
• M4: 1,413,550 km (0.117 R)
• M5: 1,754,035 km (0.12 R)
• M6: 2,826,203 km (0.051 R)
• M7: 3,847,358 km (0.111 R)
• M8: 5,271,081 km (0.101 R)
• M9: 6,364,492 km (0.118 R)
• M10: 8,952,535 km (0.102 R)
• M11: 9,817,659 km (0.039 R)
• M12: 10,455,844 km (0.108 R)
• M13: 11,967,082 km (0.099 R)
• M14: 17,632,652 km (0.083 R)
• M15: 18,850,678 km (0.115 R)
• M16: 22,063,292 km (0.091 R)
• M17: 25,965,104 km (0.082 R)
• M18: 27,184,476 km (0.116 R)
• M19: 32,346,052 km (0.116 R)
• M20: 34,167,705 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.9

Radius: 5.7

Gravity: 13.42 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.83 AU - 7.47 AU

Year: 10344 Days

Day: 20.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 42,169,796 km

• M1: 70,909 km (0.087 R)
• M2: 285,134 km (0.103 R)
• M3: 631,303 km (0.085 R)
• M4: 1,015,022 km (0.037 R)
• M5: 1,253,630 km (0.112 R)
• M6: 1,450,351 km (0.095 R)
• M7: 1,954,347 km (0.103 R)
• M8: 2,273,289 km (0.114 R)
• M9: 2,993,603 km (0.074 R)
• M10: 3,441,499 km (0.119 R)
• M11: 4,141,916 km (0.102 R)
• M12: 4,814,508 km (0.112 R)
• M13: 5,460,621 km (0.11 R)
• M14: 8,938,772 km (0.037 R)
• M15: 10,055,819 km (0.112 R)
• M16: 11,106,894 km (0.115 R)
• M17: 11,315,134 km (0.079 R)
• M18: 11,847,104 km (0.051 R)
• M19: 12,846,418 km (0.096 R)
• M20: 15,459,145 km (0.115 R)
• M21: 18,992,497 km (0.09 R)
• M22: 24,404,499 km (0.085 R)
• M23: 27,412,463 km (0.055 R)
• M24: 29,153,184 km (0.115 R)
• M25: 30,353,558 km (0.05 R)
• M26: 30,761,062 km (0.103 R)
• M27: 31,690,963 km (0.09 R)
• M28: 34,703,864 km (0.041 R)
• M29: 35,261,265 km (0.067 R)
• M30: 36,279,578 km (0.104 R)
• M31: 37,317,338 km (0.072 R)
• M32: 41,792,110 km (0.034 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 17,610 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit