🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.8

Radius: 12.6

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.43 AU - 1.67 AU

Year: 1266 Days

Day: 6.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,593,915 km

• M1: 156,779 km (0.117 R)
• M2: 669,450 km (0.091 R)
• M3: 1,176,587 km (0.111 R)
• M4: 1,603,988 km (0.081 R)
• M5: 2,430,068 km (0.093 R)
• M6: 2,977,147 km (0.114 R)
• M7: 3,400,210 km (0.116 R)
• M8: 4,970,988 km (0.082 R)
• M9: 5,780,911 km (0.086 R)
• M10: 6,677,151 km (0.1 R)
• M11: 7,136,417 km (0.03 R)
• M12: 7,616,776 km (0.039 R)
• M13: 8,440,611 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.9

Radius: 14.4

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.52 AU - 2.04 AU

Year: 1558 Days

Day: 8.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,593,915 km

• M1: 179,069 km (0.118 R)
• M2: 705,504 km (0.091 R)
• M3: 1,183,020 km (0.098 R)
• M4: 1,635,853 km (0.07 R)
• M5: 2,175,003 km (0.115 R)
• M6: 2,729,413 km (0.069 R)
• M7: 3,304,318 km (0.077 R)
• M8: 4,026,726 km (0.117 R)
• M9: 4,719,813 km (0.032 R)
• M10: 5,617,550 km (0.051 R)
• M11: 6,277,426 km (0.115 R)
• M12: 7,313,242 km (0.106 R)
• M13: 8,772,120 km (0.093 R)
• M14: 9,299,303 km (0.078 R)
• M15: 9,847,579 km (0.074 R)
• M16: 10,612,174 km (0.115 R)
• M17: 11,416,113 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.1

Radius: 12.4

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.48 AU - 2.26 AU

Year: 1678 Days

Day: 7.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,593,915 km

• M1: 154,385 km (0.053 R)
• M2: 644,767 km (0.101 R)
• M3: 1,341,743 km (0.058 R)
• M4: 2,121,896 km (0.113 R)
• M5: 2,622,151 km (0.098 R)
• M6: 4,303,482 km (0.109 R)
• M7: 4,880,331 km (0.063 R)
• M8: 5,396,145 km (0.082 R)
• M9: 5,900,888 km (0.096 R)
• M10: 7,193,414 km (0.075 R)
• M11: 7,663,749 km (0.101 R)
• M12: 8,453,028 km (0.116 R)
• M13: 9,263,699 km (0.094 R)
• M14: 9,688,108 km (0.071 R)
• M15: 10,752,796 km (0.113 R)
• M16: 11,221,935 km (0.051 R)
• M17: 12,672,136 km (0.065 R)
• M18: 13,073,807 km (0.111 R)
• M19: 14,243,812 km (0.093 R)
• M20: 14,987,463 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.3

Radius: 14.6

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.97 AU - 1.97 AU

Year: 1814 Days

Day: 14.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,593,915 km

• M1: 181,911 km (0.106 R)
• M2: 792,869 km (0.111 R)
• M3: 1,700,778 km (0.087 R)
• M4: 2,823,061 km (0.075 R)
• M5: 3,555,792 km (0.1 R)
• M6: 5,173,992 km (0.038 R)
• M7: 5,907,770 km (0.108 R)
• M8: 6,490,752 km (0.085 R)
• M9: 7,371,734 km (0.062 R)
• M10: 8,915,734 km (0.119 R)
• M11: 10,005,106 km (0.073 R)
• M12: 10,531,840 km (0.092 R)
• M13: 11,498,242 km (0.102 R)
• M14: 12,039,936 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.4

Radius: 10.2

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.13 AU - 3.93 AU

Year: 4351 Days

Day: 7.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,593,915 km

• M1: 128,205 km (0.037 R)
• M2: 500,704 km (0.025 R)
• M3: 876,793 km (0.087 R)
• M4: 1,514,828 km (0.091 R)
• M5: 2,221,229 km (0.084 R)
• M6: 3,761,339 km (0.1 R)
• M7: 4,300,640 km (0.116 R)
• M8: 4,868,064 km (0.117 R)
• M9: 6,451,109 km (0.082 R)
• M10: 7,195,658 km (0.088 R)
• M11: 8,319,586 km (0.094 R)
• M12: 9,958,431 km (0.12 R)
• M13: 10,447,466 km (0.1 R)
• M14: 11,230,911 km (0.115 R)
• M15: 12,095,287 km (0.064 R)
• M16: 12,522,239 km (0.099 R)
• M17: 15,248,960 km (0.118 R)
• M18: 15,646,890 km (0.119 R)
• M19: 16,567,665 km (0.102 R)
• M20: 18,126,475 km (0.088 R)
• M21: 18,799,216 km (0.052 R)
• M22: 19,141,796 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.4

Radius: 12.7

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.99 AU - 4.85 AU

Year: 6096 Days

Day: 13.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,593,915 km

• M1: 157,975 km (0.087 R)
• M2: 1,336,507 km (0.106 R)
• M3: 1,858,754 km (0.055 R)
• M4: 2,267,006 km (0.081 R)
• M5: 3,287,712 km (0.109 R)
• M6: 3,810,557 km (0.076 R)
• M7: 5,508,194 km (0.091 R)
• M8: 5,939,634 km (0.106 R)
• M9: 6,779,626 km (0.07 R)
• M10: 7,275,992 km (0.118 R)
• M11: 8,032,209 km (0.092 R)
• M12: 9,395,644 km (0.073 R)
• M13: 12,257,750 km (0.114 R)
• M14: 12,996,465 km (0.092 R)
• M15: 13,473,083 km (0.114 R)
• M16: 15,391,676 km (0.096 R)
• M17: 16,471,773 km (0.08 R)
• M18: 17,428,900 km (0.089 R)
• M19: 21,499,458 km (0.106 R)
• M20: 21,898,436 km (0.111 R)
• M21: 22,437,885 km (0.077 R)
• M22: 23,055,575 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 869.9

Radius: 5

Gravity: 34.8 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.6 AU - 11.86 AU

Year: 23057 Days

Day: 23 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 90,593,915 km

• M1: 62,532 km (0.102 R)
• M2: 226,641 km (0.099 R)
• M3: 702,960 km (0.06 R)
• M4: 1,192,594 km (0.078 R)
• M5: 1,863,989 km (0.051 R)
• M6: 2,293,036 km (0.093 R)
• M7: 4,010,719 km (0.111 R)
• M8: 4,181,260 km (0.059 R)
• M9: 5,599,299 km (0.118 R)
• M10: 6,256,183 km (0.091 R)
• M11: 6,439,740 km (0.109 R)
• M12: 7,986,282 km (0.038 R)
• M13: 8,816,850 km (0.066 R)
• M14: 9,461,467 km (0.085 R)
• M15: 9,826,037 km (0.119 R)
• M16: 10,199,882 km (0.098 R)
• M17: 10,713,152 km (0.087 R)
• M18: 11,176,158 km (0.105 R)
• M19: 16,131,886 km (0.088 R)
• M20: 17,543,941 km (0.097 R)
• M21: 21,743,003 km (0.117 R)
• M22: 30,981,719 km (0.088 R)
• M23: 32,739,045 km (0.106 R)
• M24: 36,747,819 km (0.103 R)
• M25: 38,715,480 km (0.119 R)
• M26: 42,530,375 km (0.117 R)
• M27: 43,024,198 km (0.1 R)
• M28: 46,588,517 km (0.103 R)
• M29: 53,912,529 km (0.04 R)
• M30: 61,756,993 km (0.094 R)
• M31: 69,642,596 km (0.074 R)
• M32: 74,777,393 km (0.117 R)
• M33: 77,681,836 km (0.086 R)
• M34: 87,905,055 km (0.067 R)
• M35: 89,242,759 km (0.094 R)
• M36: 89,511,886 km (0.073 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 16,834 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit