🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.3

Radius: 10.2

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.38 AU - 1.48 AU

Year: 1122 Days

Day: 14.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,240,150 km

• M1: 126,859 km (0.105 R)
• M2: 505,491 km (0.071 R)
• M3: 863,778 km (0.111 R)
• M4: 1,449,454 km (0.038 R)
• M5: 1,855,313 km (0.028 R)
• M6: 2,305,154 km (0.104 R)
• M7: 2,962,786 km (0.091 R)
• M8: 3,667,841 km (0.088 R)
• M9: 4,464,150 km (0.09 R)
• M10: 4,930,297 km (0.086 R)
• M11: 5,277,663 km (0.095 R)
• M12: 5,621,738 km (0.108 R)
• M13: 5,980,923 km (0.11 R)
• M14: 6,635,414 km (0.027 R)
• M15: 8,995,170 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.2

Radius: 12.1

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.51 AU - 1.89 AU

Year: 1454 Days

Day: 13.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,240,150 km

• M1: 152,141 km (0.12 R)
• M2: 542,442 km (0.12 R)
• M3: 941,719 km (0.114 R)
• M4: 1,340,098 km (0.062 R)
• M5: 2,043,058 km (0.037 R)
• M6: 2,450,413 km (0.078 R)
• M7: 2,833,683 km (0.082 R)
• M8: 3,286,067 km (0.117 R)
• M9: 4,551,515 km (0.096 R)
• M10: 4,961,563 km (0.062 R)
• M11: 5,355,753 km (0.116 R)
• M12: 6,456,943 km (0.119 R)
• M13: 6,952,112 km (0.056 R)
• M14: 9,911,607 km (0.049 R)
• M15: 10,896,410 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45

Radius: 12.5

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.62 AU - 2.52 AU

Year: 1954 Days

Day: 8.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,240,150 km

• M1: 167,550 km (0.114 R)
• M2: 667,954 km (0.094 R)
• M3: 1,213,089 km (0.105 R)
• M4: 2,317,121 km (0.082 R)
• M5: 3,790,062 km (0.084 R)
• M6: 4,413,885 km (0.075 R)
• M7: 5,268,388 km (0.117 R)
• M8: 5,885,479 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.8

Radius: 11.3

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.64 AU - 2.76 AU

Year: 2910 Days

Day: 6.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,240,150 km

• M1: 140,472 km (0.106 R)
• M2: 748,438 km (0.118 R)
• M3: 1,301,801 km (0.103 R)
• M4: 3,000,335 km (0.083 R)
• M5: 3,883,112 km (0.093 R)
• M6: 4,441,411 km (0.084 R)
• M7: 5,277,214 km (0.103 R)
• M8: 7,197,004 km (0.035 R)
• M9: 7,676,615 km (0.035 R)
• M10: 8,523,189 km (0.067 R)
• M11: 8,914,986 km (0.102 R)
• M12: 9,544,195 km (0.037 R)
• M13: 12,497,107 km (0.108 R)
• M14: 13,667,860 km (0.066 R)
• M15: 14,910,569 km (0.101 R)
• M16: 16,281,185 km (0.087 R)
• M17: 17,391,351 km (0.097 R)
• M18: 18,789,493 km (0.103 R)
• M19: 19,515,940 km (0.06 R)
• M20: 19,948,278 km (0.101 R)
• M21: 20,387,048 km (0.089 R)
• M22: 22,140,186 km (0.102 R)

Asteroid Belt

Center: 3.06 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.7

Radius: 10.1

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.01 AU - 3.83 AU

Year: 4149 Days

Day: 11.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,240,150 km

• M1: 125,662 km (0.106 R)
• M2: 672,592 km (0.065 R)
• M3: 1,020,856 km (0.051 R)
• M4: 1,404,275 km (0.109 R)
• M5: 1,767,050 km (0.066 R)
• M6: 3,099,518 km (0.096 R)
• M7: 4,903,818 km (0.089 R)
• M8: 5,524,051 km (0.103 R)
• M9: 5,985,710 km (0.108 R)
• M10: 6,567,197 km (0.057 R)
• M11: 7,253,402 km (0.083 R)
• M12: 8,691,786 km (0.085 R)
• M13: 9,972,792 km (0.109 R)
• M14: 10,354,716 km (0.071 R)
• M15: 10,923,637 km (0.038 R)
• M16: 11,839,624 km (0.113 R)
• M17: 12,268,073 km (0.046 R)
• M18: 14,513,985 km (0.115 R)
• M19: 15,226,819 km (0.091 R)
• M20: 16,901,268 km (0.08 R)
• M21: 17,444,907 km (0.118 R)
• M22: 18,503,761 km (0.05 R)
• M23: 18,823,152 km (0.111 R)
• M24: 19,341,957 km (0.091 R)
• M25: 23,392,469 km (0.09 R)
• M26: 25,536,656 km (0.117 R)
• M27: 27,064,050 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.5

Radius: 15

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.43 AU - 4.17 AU

Year: 4859 Days

Day: 7.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,240,150 km

• M1: 196,572 km (0.11 R)
• M2: 713,432 km (0.102 R)
• M3: 1,220,270 km (0.098 R)
• M4: 1,747,004 km (0.072 R)
• M5: 2,427,824 km (0.096 R)
• M6: 3,001,232 km (0.08 R)
• M7: 4,946,454 km (0.085 R)
• M8: 5,480,817 km (0.101 R)
• M9: 5,994,686 km (0.096 R)
• M10: 6,698,245 km (0.049 R)
• M11: 10,248,352 km (0.058 R)
• M12: 11,256,791 km (0.11 R)
• M13: 14,305,745 km (0.041 R)
• M14: 15,174,310 km (0.096 R)
• M15: 15,848,698 km (0.085 R)
• M16: 20,594,391 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.7

Radius: 5.7

Gravity: 20.18 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.95 AU - 8.99 AU

Year: 14760 Days

Day: 24.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,240,150 km

• M1: 71,807 km (0.079 R)
• M2: 277,354 km (0.091 R)
• M3: 1,288,337 km (0.054 R)
• M4: 1,772,436 km (0.084 R)
• M5: 2,209,710 km (0.102 R)
• M6: 2,648,780 km (0.109 R)
• M7: 3,245,227 km (0.114 R)
• M8: 3,588,853 km (0.083 R)
• M9: 5,461,220 km (0.092 R)
• M10: 7,809,158 km (0.076 R)
• M11: 8,426,100 km (0.105 R)
• M12: 8,771,372 km (0.077 R)
• M13: 12,317,141 km (0.054 R)
• M14: 12,761,895 km (0.078 R)
• M15: 13,549,528 km (0.076 R)
• M16: 21,413,738 km (0.055 R)
• M17: 22,712,398 km (0.078 R)
• M18: 23,671,769 km (0.047 R)
• M19: 25,466,046 km (0.107 R)
• M20: 29,547,823 km (0.12 R)
• M21: 33,921,168 km (0.087 R)
• M22: 34,543,495 km (0.112 R)
• M23: 37,108,649 km (0.082 R)
• M24: 38,842,339 km (0.088 R)
• M25: 40,490,160 km (0.032 R)
• M26: 41,614,088 km (0.057 R)
• M27: 44,366,689 km (0.096 R)
• M28: 47,238,220 km (0.095 R)
• M29: 47,702,722 km (0.057 R)
• M30: 49,750,567 km (0.06 R)
• M31: 54,358,780 km (0.034 R)
• M32: 54,868,909 km (0.075 R)
• M33: 57,291,197 km (0.052 R)
• M34: 58,706,842 km (0.082 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 15,081 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit