🌌 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: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.5

Radius: 13.1

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.49 AU - 0.71 AU

Year: 321 Days

Day: 12.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,086,051 km

• M1: 162,912 km (0.086 R)
• M2: 740,061 km (0.095 R)
• M3: 1,183,918 km (0.076 R)
• M4: 1,737,430 km (0.085 R)
• M5: 2,690,219 km (0.116 R)
• M6: 3,110,589 km (0.06 R)
• M7: 4,196,819 km (0.027 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.7

Radius: 10.2

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.51 AU - 0.81 AU

Year: 370 Days

Day: 12.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,086,051 km

• M1: 126,859 km (0.082 R)
• M2: 473,178 km (0.093 R)
• M3: 815,907 km (0.097 R)
• M4: 1,368,821 km (0.074 R)
• M5: 1,713,195 km (0.037 R)
• M6: 2,150,320 km (0.082 R)
• M7: 2,513,992 km (0.113 R)
• M8: 2,866,146 km (0.063 R)
• M9: 3,228,172 km (0.114 R)
• M10: 3,547,115 km (0.059 R)
• M11: 4,796,856 km (0.091 R)
• M12: 5,423,671 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.8

Radius: 14

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.89 AU - 1.37 AU

Year: 829 Days

Day: 13 Hours

Environment

Temp: -175 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,086,051 km

• M1: 174,132 km (0.095 R)
• M2: 743,651 km (0.101 R)
• M3: 1,205,310 km (0.118 R)
• M4: 1,884,484 km (0.072 R)
• M5: 2,774,741 km (0.073 R)
• M6: 4,541,791 km (0.043 R)
• M7: 5,558,608 km (0.104 R)
• M8: 6,246,908 km (0.097 R)
• M9: 6,991,606 km (0.115 R)
• M10: 7,576,235 km (0.038 R)
• M11: 8,269,770 km (0.097 R)
• M12: 9,278,509 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.3

Radius: 11.2

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.96 AU - 1.5 AU

Year: 942 Days

Day: 11 Hours

Environment

Temp: -175 °C

Axial Tilt: 117.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,086,051 km

• M1: 139,276 km (0.045 R)
• M2: 664,215 km (0.118 R)
• M3: 1,034,020 km (0.074 R)
• M4: 2,283,462 km (0.059 R)
• M5: 3,587,656 km (0.098 R)
• M6: 4,168,395 km (0.116 R)
• M7: 4,677,477 km (0.036 R)
• M8: 5,518,815 km (0.101 R)
• M9: 6,582,606 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.1

Radius: 11.3

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.63 AU - 1.91 AU

Year: 1625 Days

Day: 15 Hours

Environment

Temp: -207 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,086,051 km

• M1: 140,472 km (0.099 R)
• M2: 532,868 km (0.103 R)
• M3: 935,286 km (0.104 R)
• M4: 1,417,889 km (0.116 R)
• M5: 1,802,505 km (0.066 R)
• M6: 2,316,673 km (0.073 R)
• M7: 3,417,863 km (0.102 R)
• M8: 3,911,236 km (0.042 R)
• M9: 4,321,284 km (0.098 R)
• M10: 6,999,236 km (0.087 R)
• M11: 7,391,332 km (0.085 R)
• M12: 8,775,860 km (0.066 R)
• M13: 11,432,568 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.8

Radius: 8.2

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.02 AU - 2.04 AU

Year: 1996 Days

Day: 6.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,086,051 km

• M1: 102,774 km (0.1 R)
• M2: 392,545 km (0.05 R)
• M3: 829,969 km (0.083 R)
• M4: 1,334,563 km (0.106 R)
• M5: 2,091,528 km (0.086 R)
• M6: 3,108,195 km (0.079 R)
• M7: 3,545,769 km (0.085 R)
• M8: 4,649,951 km (0.072 R)
• M9: 5,204,061 km (0.05 R)
• M10: 5,905,226 km (0.112 R)
• M11: 8,229,977 km (0.105 R)
• M12: 8,957,023 km (0.05 R)
• M13: 9,293,618 km (0.079 R)
• M14: 9,755,576 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.7

Radius: 5.4

Gravity: 18.78 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.4 AU - 10.66 AU

Year: 21926 Days

Day: 16.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 75,086,051 km

• M1: 67,469 km (0.044 R)
• M2: 320,289 km (0.042 R)
• M3: 1,156,990 km (0.067 R)
• M4: 1,340,547 km (0.089 R)
• M5: 2,012,690 km (0.076 R)
• M6: 3,174,616 km (0.045 R)
• M7: 3,423,398 km (0.072 R)
• M8: 3,685,194 km (0.117 R)
• M9: 3,991,720 km (0.093 R)
• M10: 4,482,999 km (0.055 R)
• M11: 4,796,706 km (0.087 R)
• M12: 5,429,056 km (0.093 R)
• M13: 7,321,619 km (0.088 R)
• M14: 8,158,021 km (0.099 R)
• M15: 10,676,351 km (0.097 R)
• M16: 11,490,463 km (0.085 R)
• M17: 11,814,492 km (0.087 R)
• M18: 12,480,502 km (0.091 R)
• M19: 13,312,415 km (0.111 R)
• M20: 15,710,619 km (0.095 R)
• M21: 17,347,519 km (0.063 R)
• M22: 17,602,433 km (0.091 R)
• M23: 17,859,891 km (0.118 R)
• M24: 18,119,892 km (0.047 R)
• M25: 19,732,857 km (0.12 R)
• M26: 24,179,653 km (0.085 R)
• M27: 25,909,005 km (0.054 R)
• M28: 27,258,976 km (0.081 R)
• M29: 29,131,044 km (0.095 R)
• M30: 29,370,849 km (0.098 R)
• M31: 31,589,386 km (0.099 R)
• M32: 34,987,352 km (0.085 R)
• M33: 38,621,084 km (0.116 R)
• M34: 39,055,815 km (0.093 R)
• M35: 39,640,743 km (0.115 R)
• M36: 43,272,830 km (0.102 R)
• M37: 47,285,793 km (0.1 R)
• M38: 51,190,447 km (0.075 R)
• M39: 52,597,415 km (0.115 R)
• M40: 75,086,014 km (0.057 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 15,260 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit