🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.3

Radius: 14

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.41 AU - 0.67 AU

Year: 274 Days

Day: 13.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,117,652 km

• M1: 174,132 km (0.095 R)
• M2: 700,716 km (0.047 R)
• M3: 1,156,541 km (0.073 R)
• M4: 1,813,276 km (0.048 R)
• M5: 2,335,821 km (0.081 R)
• M6: 2,852,682 km (0.116 R)
• M7: 3,703,594 km (0.115 R)
• M8: 4,183,056 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.2

Radius: 9.2

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.53 AU - 0.55 AU

Year: 274 Days

Day: 6.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,117,652 km

• M1: 114,442 km (0.09 R)
• M2: 424,858 km (0.102 R)
• M3: 749,635 km (0.044 R)
• M4: 1,040,304 km (0.058 R)
• M5: 1,504,356 km (0.119 R)
• M6: 1,813,425 km (0.089 R)
• M7: 2,303,508 km (0.079 R)
• M8: 2,625,742 km (0.089 R)
• M9: 3,697,311 km (0.111 R)
• M10: 4,474,921 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.1

Radius: 12.7

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.67 AU - 0.73 AU

Year: 404 Days

Day: 8.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,117,652 km

• M1: 157,975 km (0.113 R)
• M2: 573,708 km (0.087 R)
• M3: 1,065,586 km (0.065 R)
• M4: 1,580,950 km (0.088 R)
• M5: 2,608,688 km (0.106 R)
• M6: 3,112,234 km (0.105 R)
• M7: 3,659,314 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.2

Radius: 12.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.64 AU - 0.82 AU

Year: 431 Days

Day: 10.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,117,652 km

• M1: 160,668 km (0.114 R)
• M2: 608,265 km (0.096 R)
• M3: 1,052,870 km (0.094 R)
• M4: 1,692,999 km (0.096 R)
• M5: 2,097,213 km (0.105 R)
• M6: 2,510,402 km (0.102 R)
• M7: 2,978,643 km (0.049 R)
• M8: 3,566,264 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.3

Radius: 14.9

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.01 AU - 1.03 AU

Year: 711 Days

Day: 11.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,117,652 km

• M1: 185,352 km (0.117 R)
• M2: 731,384 km (0.026 R)
• M3: 1,213,388 km (0.073 R)
• M4: 1,713,045 km (0.109 R)
• M5: 2,331,932 km (0.119 R)
• M6: 3,124,352 km (0.105 R)
• M7: 4,075,794 km (0.065 R)
• M8: 4,553,610 km (0.057 R)
• M9: 5,415,593 km (0.105 R)
• M10: 6,157,000 km (0.088 R)
• M11: 6,638,106 km (0.05 R)
• M12: 7,442,045 km (0.098 R)
• M13: 7,940,356 km (0.095 R)
• M14: 8,768,829 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.8

Radius: 13.6

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.56 AU - 2.22 AU

Year: 1794 Days

Day: 13.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,117,652 km

• M1: 169,345 km (0.064 R)
• M2: 676,930 km (0.113 R)
• M3: 1,189,453 km (0.065 R)
• M4: 1,731,147 km (0.115 R)
• M5: 2,502,623 km (0.033 R)
• M6: 2,984,029 km (0.116 R)
• M7: 4,649,352 km (0.103 R)
• M8: 5,731,842 km (0.04 R)
• M9: 6,345,792 km (0.119 R)
• M10: 6,868,188 km (0.043 R)
• M11: 8,059,585 km (0.107 R)
• M12: 8,831,510 km (0.06 R)
• M13: 9,686,313 km (0.075 R)
• M14: 10,416,201 km (0.112 R)
• M15: 11,598,921 km (0.075 R)
• M16: 13,368,963 km (0.054 R)
• M17: 14,055,169 km (0.095 R)
• M18: 15,498,339 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.2

Radius: 14.4

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.42 AU - 3.4 AU

Year: 3426 Days

Day: 12.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,117,652 km

• M1: 179,069 km (0.101 R)
• M2: 1,224,608 km (0.074 R)
• M3: 1,743,264 km (0.072 R)
• M4: 2,581,910 km (0.097 R)
• M5: 3,131,831 km (0.088 R)
• M6: 3,759,843 km (0.071 R)
• M7: 5,244,453 km (0.083 R)
• M8: 5,817,861 km (0.105 R)
• M9: 6,493,894 km (0.117 R)
• M10: 9,537,163 km (0.106 R)
• M11: 10,021,113 km (0.075 R)
• M12: 10,563,854 km (0.04 R)
• M13: 11,937,910 km (0.105 R)
• M14: 13,032,219 km (0.09 R)
• M15: 15,310,744 km (0.068 R)
• M16: 19,788,657 km (0.109 R)
• M17: 21,048,420 km (0.071 R)
• M18: 21,525,787 km (0.056 R)
• M19: 23,145,633 km (0.069 R)
• M20: 24,845,214 km (0.113 R)
• M21: 26,232,435 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.9

Radius: 4.3

Gravity: 24.28 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.14 AU - 7.74 AU

Year: 11281 Days

Day: 21.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 45,117,652 km

• M1: 53,556 km (0.04 R)
• M2: 255,962 km (0.118 R)
• M3: 546,481 km (0.12 R)
• M4: 757,564 km (0.103 R)
• M5: 1,164,021 km (0.081 R)
• M6: 1,396,047 km (0.119 R)
• M7: 1,778,270 km (0.098 R)
• M8: 2,002,218 km (0.087 R)
• M9: 2,208,962 km (0.106 R)
• M10: 2,448,917 km (0.105 R)
• M11: 3,003,028 km (0.034 R)
• M12: 3,762,835 km (0.078 R)
• M13: 4,382,918 km (0.106 R)
• M14: 5,226,501 km (0.025 R)
• M15: 5,891,763 km (0.109 R)
• M16: 9,836,060 km (0.114 R)
• M17: 10,433,853 km (0.108 R)
• M18: 12,145,851 km (0.108 R)
• M19: 13,912,752 km (0.092 R)
• M20: 14,921,939 km (0.105 R)
• M21: 20,070,798 km (0.087 R)
• M22: 23,039,867 km (0.115 R)
• M23: 24,719,103 km (0.095 R)
• M24: 28,318,727 km (0.077 R)
• M25: 29,219,606 km (0.084 R)
• M26: 30,763,456 km (0.097 R)
• M27: 31,289,891 km (0.108 R)
• M28: 33,566,621 km (0.118 R)
• M29: 35,488,804 km (0.071 R)
• M30: 37,483,093 km (0.105 R)
• M31: 40,048,098 km (0.09 R)
• M32: 41,309,657 km (0.059 R)
• M33: 44,982,584 km (0.111 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 11,114 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit