🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.8

Radius: 9.7

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.79 AU - 1.23 AU

Year: 688 Days

Day: 6.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,980,589 km

• M1: 120,576 km (0.104 R)
• M2: 444,156 km (0.108 R)
• M3: 836,252 km (0.058 R)
• M4: 1,238,521 km (0.106 R)
• M5: 1,605,484 km (0.088 R)
• M6: 2,063,703 km (0.033 R)
• M7: 2,585,500 km (0.101 R)
• M8: 3,524,675 km (0.111 R)
• M9: 3,835,091 km (0.102 R)
• M10: 4,194,874 km (0.104 R)
• M11: 5,105,177 km (0.097 R)
• M12: 5,654,500 km (0.079 R)
• M13: 6,062,155 km (0.093 R)
• M14: 6,406,379 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.2

Radius: 8.7

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.96 AU - 2.3 AU

Year: 2108 Days

Day: 12.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,980,589 km

• M1: 108,608 km (0.08 R)
• M2: 472,430 km (0.117 R)
• M3: 992,582 km (0.114 R)
• M4: 1,302,399 km (0.073 R)
• M5: 1,983,518 km (0.042 R)
• M6: 2,570,091 km (0.066 R)
• M7: 3,403,202 km (0.068 R)
• M8: 3,932,778 km (0.107 R)
• M9: 4,226,439 km (0.097 R)
• M10: 4,516,061 km (0.084 R)
• M11: 4,936,281 km (0.059 R)
• M12: 5,508,493 km (0.101 R)
• M13: 5,899,242 km (0.067 R)
• M14: 10,230,849 km (0.066 R)
• M15: 10,722,128 km (0.069 R)
• M16: 11,506,021 km (0.081 R)
• M17: 11,965,586 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.3

Radius: 13.1

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.28 AU - 3.8 AU

Year: 3595 Days

Day: 9.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,980,589 km

• M1: 163,211 km (0.082 R)
• M2: 971,040 km (0.043 R)
• M3: 1,551,180 km (0.099 R)
• M4: 2,100,205 km (0.1 R)
• M5: 2,561,714 km (0.076 R)
• M6: 3,040,278 km (0.103 R)
• M7: 3,616,529 km (0.081 R)
• M8: 4,095,990 km (0.118 R)
• M9: 5,956,239 km (0.112 R)
• M10: 7,134,771 km (0.08 R)
• M11: 8,158,170 km (0.073 R)
• M12: 8,881,476 km (0.095 R)
• M13: 10,142,885 km (0.073 R)
• M14: 11,647,690 km (0.071 R)
• M15: 12,342,572 km (0.026 R)
• M16: 13,343,232 km (0.104 R)
• M17: 14,007,597 km (0.105 R)
• M18: 15,713,461 km (0.115 R)
• M19: 16,833,949 km (0.077 R)
• M20: 20,020,833 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.4

Radius: 11

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.19 AU - 3.21 AU

Year: 3883 Days

Day: 10.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,980,589 km

• M1: 170,691 km (0.117 R)
• M2: 627,862 km (0.047 R)
• M3: 1,165,667 km (0.105 R)
• M4: 1,642,585 km (0.092 R)
• M5: 2,493,797 km (0.103 R)
• M6: 3,250,911 km (0.082 R)
• M7: 3,940,707 km (0.084 R)
• M8: 4,377,084 km (0.071 R)
• M9: 5,261,507 km (0.064 R)
• M10: 7,545,866 km (0.1 R)
• M11: 11,084,454 km (0.119 R)
• M12: 12,107,853 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.1

Radius: 10.7

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.89 AU - 5.23 AU

Year: 7720 Days

Day: 7.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,980,589 km

• M1: 133,292 km (0.063 R)
• M2: 549,772 km (0.103 R)
• M3: 961,914 km (0.058 R)
• M4: 2,304,256 km (0.094 R)
• M5: 3,232,361 km (0.11 R)
• M6: 4,845,176 km (0.118 R)
• M7: 5,750,243 km (0.116 R)
• M8: 7,259,685 km (0.092 R)
• M9: 8,604,720 km (0.041 R)
• M10: 9,272,226 km (0.04 R)
• M11: 11,286,411 km (0.088 R)
• M12: 11,731,764 km (0.103 R)
• M13: 14,308,737 km (0.066 R)
• M14: 17,176,678 km (0.037 R)
• M15: 19,688,725 km (0.116 R)
• M16: 21,218,513 km (0.094 R)
• M17: 21,897,837 km (0.04 R)
• M18: 33,194,122 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.2

Radius: 4.4

Gravity: 34.67 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.13 AU - 6.81 AU

Year: 11162 Days

Day: 15.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 33,980,589 km

• M1: 55,202 km (0.119 R)
• M2: 230,979 km (0.116 R)
• M3: 482,752 km (0.108 R)
• M4: 753,375 km (0.092 R)
• M5: 943,813 km (0.079 R)
• M6: 1,107,473 km (0.062 R)
• M7: 1,422,676 km (0.12 R)
• M8: 1,594,115 km (0.03 R)
• M9: 1,860,549 km (0.113 R)
• M10: 2,442,335 km (0.12 R)
• M11: 3,404,100 km (0.117 R)
• M12: 3,738,900 km (0.085 R)
• M13: 4,718,018 km (0.113 R)
• M14: 5,101,138 km (0.084 R)
• M15: 5,266,743 km (0.118 R)
• M16: 5,573,867 km (0.052 R)
• M17: 6,075,319 km (0.077 R)
• M18: 6,763,469 km (0.068 R)
• M19: 7,291,849 km (0.103 R)
• M20: 8,384,512 km (0.074 R)
• M21: 9,632,009 km (0.08 R)
• M22: 12,192,226 km (0.118 R)
• M23: 12,850,756 km (0.111 R)
• M24: 18,603,842 km (0.103 R)
• M25: 18,760,321 km (0.068 R)
• M26: 21,045,129 km (0.112 R)
• M27: 21,730,437 km (0.099 R)
• M28: 22,607,978 km (0.032 R)
• M29: 23,145,633 km (0.114 R)
• M30: 23,783,668 km (0.104 R)
• M31: 29,104,715 km (0.116 R)
• M32: 33,175,721 km (0.116 R)
• M33: 36,989,270 km (0.071 R)
• M34: 38,238,263 km (0.095 R)
• M35: 43,241,414 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.5

Radius: 4

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.69 AU - 6.81 AU

Year: 11895 Days

Day: 22.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,980,589 km

• M1: 49,816 km (0.101 R)
• M2: 244,293 km (0.052 R)
• M3: 512,971 km (0.089 R)
• M4: 920,775 km (0.046 R)
• M5: 1,431,053 km (0.095 R)
• M6: 2,237,685 km (0.112 R)
• M7: 2,563,659 km (0.094 R)
• M8: 4,041,686 km (0.092 R)
• M9: 4,367,959 km (0.096 R)
• M10: 4,959,618 km (0.037 R)
• M11: 5,187,605 km (0.087 R)
• M12: 6,267,552 km (0.048 R)
• M13: 9,367,968 km (0.114 R)
• M14: 10,671,714 km (0.083 R)
• M15: 11,099,713 km (0.058 R)
• M16: 14,768,900 km (0.07 R)
• M17: 16,970,233 km (0.057 R)
• M18: 22,470,498 km (0.062 R)
• M19: 22,702,973 km (0.094 R)
• M20: 25,199,911 km (0.115 R)
• M21: 25,787,980 km (0.059 R)
• M22: 28,052,593 km (0.114 R)
• M23: 28,232,110 km (0.115 R)
• M24: 29,882,324 km (0.112 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 12,608 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit