🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.8

Radius: 11.7

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.97 AU - 1.13 AU

Year: 743 Days

Day: 10.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,010,137 km

• M1: 145,559 km (0.048 R)
• M2: 516,861 km (0.073 R)
• M3: 1,301,950 km (0.115 R)
• M4: 1,816,567 km (0.044 R)
• M5: 2,520,575 km (0.119 R)
• M6: 2,924,190 km (0.094 R)
• M7: 3,878,774 km (0.11 R)
• M8: 4,354,196 km (0.108 R)
• M9: 4,762,299 km (0.096 R)
• M10: 5,499,816 km (0.116 R)
• M11: 6,164,180 km (0.065 R)
• M12: 7,132,378 km (0.118 R)
• M13: 8,073,049 km (0.115 R)
• M14: 8,985,895 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.6

Radius: 9

Gravity: 12.08 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.2 AU - 1.62 AU

Year: 1156 Days

Day: 6.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,010,137 km

• M1: 111,899 km (0.08 R)
• M2: 490,232 km (0.102 R)
• M3: 900,430 km (0.115 R)
• M4: 1,215,782 km (0.115 R)
• M5: 1,698,983 km (0.032 R)
• M6: 2,923,591 km (0.101 R)
• M7: 3,409,186 km (0.105 R)
• M8: 4,523,092 km (0.071 R)
• M9: 5,319,700 km (0.102 R)
• M10: 5,840,899 km (0.102 R)
• M11: 6,160,291 km (0.046 R)
• M12: 6,685,978 km (0.073 R)
• M13: 7,530,308 km (0.108 R)
• M14: 7,826,961 km (0.037 R)
• M15: 8,272,463 km (0.062 R)
• M16: 9,306,184 km (0.117 R)
• M17: 10,357,409 km (0.045 R)
• M18: 10,929,022 km (0.098 R)
• M19: 12,468,833 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.8

Radius: 14.5

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.93 AU - 2.13 AU

Year: 1996 Days

Day: 9.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,010,137 km

• M1: 180,265 km (0.112 R)
• M2: 695,780 km (0.052 R)
• M3: 1,387,520 km (0.063 R)
• M4: 1,942,080 km (0.107 R)
• M5: 2,816,479 km (0.044 R)
• M6: 3,395,124 km (0.064 R)
• M7: 3,903,756 km (0.114 R)
• M8: 4,689,444 km (0.057 R)
• M9: 5,484,856 km (0.111 R)
• M10: 6,317,069 km (0.067 R)
• M11: 6,817,923 km (0.116 R)
• M12: 8,577,194 km (0.108 R)
• M13: 9,028,082 km (0.029 R)
• M14: 10,225,314 km (0.097 R)
• M15: 10,993,050 km (0.064 R)
• M16: 16,091,046 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.2

Radius: 14.2

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.84 AU - 4.08 AU

Year: 5439 Days

Day: 6 Hours

Environment

Temp: -222 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,010,137 km

• M1: 176,675 km (0.055 R)
• M2: 631,901 km (0.064 R)
• M3: 1,486,105 km (0.074 R)
• M4: 2,078,962 km (0.103 R)
• M5: 2,938,401 km (0.069 R)
• M6: 3,578,082 km (0.091 R)
• M7: 5,057,156 km (0.047 R)
• M8: 5,739,771 km (0.094 R)
• M9: 6,580,810 km (0.114 R)
• M10: 10,562,358 km (0.094 R)
• M11: 11,252,453 km (0.111 R)
• M12: 12,621,124 km (0.049 R)
• M13: 13,188,249 km (0.108 R)
• M14: 14,992,549 km (0.093 R)
• M15: 15,453,759 km (0.1 R)
• M16: 20,042,076 km (0.113 R)
• M17: 22,048,632 km (0.074 R)
• M18: 24,107,398 km (0.1 R)
• M19: 24,901,463 km (0.101 R)
• M20: 26,458,328 km (0.115 R)
• M21: 27,992,155 km (0.066 R)
• M22: 29,584,625 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.5

Radius: 11.8

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.32 AU - 4.98 AU

Year: 6921 Days

Day: 5.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 88,010,137 km

• M1: 147,055 km (0.072 R)
• M2: 648,208 km (0.064 R)
• M3: 1,985,313 km (0.103 R)
• M4: 2,419,895 km (0.115 R)
• M5: 4,591,308 km (0.098 R)
• M6: 7,255,497 km (0.054 R)
• M7: 9,287,634 km (0.077 R)
• M8: 11,780,384 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 797

Radius: 7.9

Gravity: 12.77 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 6.87 AU - 9.09 AU

Year: 15560 Days

Day: 19.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 88,010,137 km

• M1: 104,419 km (0.109 R)
• M2: 380,278 km (0.077 R)
• M3: 899,382 km (0.119 R)
• M4: 1,300,155 km (0.068 R)
• M5: 3,606,206 km (0.05 R)
• M6: 4,170,190 km (0.058 R)
• M7: 5,250,885 km (0.071 R)
• M8: 7,116,520 km (0.114 R)
• M9: 7,434,715 km (0.112 R)
• M10: 8,701,061 km (0.075 R)
• M11: 10,801,714 km (0.067 R)
• M12: 11,716,954 km (0.086 R)
• M13: 12,616,935 km (0.062 R)
• M14: 15,216,497 km (0.07 R)
• M15: 17,985,404 km (0.096 R)
• M16: 20,887,902 km (0.082 R)
• M17: 21,166,304 km (0.098 R)
• M18: 21,730,587 km (0.094 R)
• M19: 22,889,222 km (0.077 R)
• M20: 23,684,185 km (0.106 R)
• M21: 26,720,723 km (0.099 R)
• M22: 28,730,570 km (0.091 R)
• M23: 31,686,175 km (0.07 R)
• M24: 35,493,142 km (0.057 R)
• M25: 39,452,848 km (0.049 R)
• M26: 40,883,752 km (0.085 R)
• M27: 41,319,680 km (0.062 R)
• M28: 45,695,118 km (0.088 R)
• M29: 57,145,040 km (0.11 R)
• M30: 59,160,423 km (0.057 R)
• M31: 60,467,310 km (0.097 R)
• M32: 63,721,213 km (0.038 R)
• M33: 64,700,032 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775.4

Radius: 3.4

Gravity: 67.08 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 9.54 AU - 11.4 AU

Year: 23385 Days

Day: 20.8 Hours

Environment

Temp: -244 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 88,010,137 km

• M1: 42,336 km (0.102 R)
• M2: 169,195 km (0.116 R)
• M3: 953,686 km (0.043 R)
• M4: 1,258,417 km (0.065 R)
• M5: 1,552,975 km (0.059 R)
• M6: 3,409,036 km (0.069 R)
• M7: 3,717,806 km (0.063 R)
• M8: 3,878,923 km (0.116 R)
• M9: 4,044,827 km (0.114 R)
• M10: 5,023,347 km (0.075 R)
• M11: 5,422,624 km (0.078 R)
• M12: 11,170,772 km (0.052 R)
• M13: 11,304,214 km (0.079 R)
• M14: 19,813,490 km (0.104 R)
• M15: 27,216,939 km (0.088 R)
• M16: 29,445,947 km (0.07 R)
• M17: 35,400,691 km (0.072 R)
• M18: 38,505,894 km (0.041 R)
• M19: 38,810,624 km (0.039 R)
• M20: 41,948,440 km (0.045 R)
• M21: 43,744,063 km (0.061 R)
• M22: 47,838,557 km (0.103 R)
• M23: 51,809,632 km (0.112 R)
• M24: 61,017,531 km (0.068 R)
• M25: 63,744,251 km (0.119 R)
• M26: 71,486,838 km (0.076 R)
• M27: 72,641,584 km (0.095 R)
• M28: 84,881,084 km (0.111 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 16,395 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit