🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.8

Radius: 10.7

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.69 AU - 0.89 AU

Year: 461 Days

Day: 5.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,490,022 km

• M1: 146,456 km (0.037 R)
• M2: 560,693 km (0.065 R)
• M3: 1,220,569 km (0.05 R)
• M4: 1,649,017 km (0.075 R)
• M5: 2,077,017 km (0.092 R)
• M6: 2,623,199 km (0.076 R)
• M7: 3,422,500 km (0.082 R)
• M8: 4,126,059 km (0.103 R)

Asteroid Belt

Center: 1.08 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.1

Radius: 12.6

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.26 AU - 1.48 AU

Year: 1052 Days

Day: 8.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,490,022 km

• M1: 156,779 km (0.095 R)
• M2: 645,216 km (0.077 R)
• M3: 1,289,683 km (0.102 R)
• M4: 1,716,037 km (0.027 R)
• M5: 2,437,697 km (0.105 R)
• M6: 3,044,317 km (0.098 R)
• M7: 3,631,638 km (0.111 R)
• M8: 4,078,487 km (0.118 R)
• M9: 4,607,914 km (0.091 R)
• M10: 5,067,478 km (0.034 R)
• M11: 5,557,710 km (0.052 R)
• M12: 6,060,958 km (0.113 R)
• M13: 6,477,588 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.9

Radius: 9.9

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.29 AU - 1.61 AU

Year: 1145 Days

Day: 14.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,490,022 km

• M1: 123,269 km (0.08 R)
• M2: 534,214 km (0.11 R)
• M3: 843,283 km (0.095 R)
• M4: 1,687,913 km (0.099 R)
• M5: 2,075,820 km (0.078 R)
• M6: 2,737,641 km (0.08 R)
• M7: 3,132,579 km (0.082 R)
• M8: 3,596,782 km (0.05 R)
• M9: 4,738,961 km (0.11 R)
• M10: 7,696,511 km (0.05 R)
• M11: 9,667,164 km (0.05 R)
• M12: 10,041,458 km (0.097 R)
• M13: 10,588,088 km (0.111 R)
• M14: 11,086,848 km (0.032 R)
• M15: 11,601,315 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.5

Radius: 8.7

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.63 AU - 1.93 AU

Year: 1558 Days

Day: 10.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,490,022 km

• M1: 108,309 km (0.099 R)
• M2: 691,890 km (0.114 R)
• M3: 1,266,346 km (0.105 R)
• M4: 1,917,845 km (0.039 R)
• M5: 2,415,557 km (0.069 R)
• M6: 3,777,496 km (0.04 R)
• M7: 4,115,288 km (0.064 R)
• M8: 5,570,875 km (0.116 R)
• M9: 5,903,132 km (0.077 R)
• M10: 6,204,721 km (0.102 R)
• M11: 6,932,814 km (0.069 R)
• M12: 7,293,195 km (0.064 R)
• M13: 10,176,844 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.7

Radius: 12.2

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.4 AU - 3.98 AU

Year: 4650 Days

Day: 10.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,490,022 km

• M1: 153,487 km (0.052 R)
• M2: 852,708 km (0.071 R)
• M3: 1,857,856 km (0.11 R)
• M4: 3,961,651 km (0.109 R)
• M5: 4,458,914 km (0.113 R)
• M6: 9,738,223 km (0.072 R)
• M7: 11,105,847 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.1

Radius: 9.3

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.59 AU - 5.59 AU

Year: 6451 Days

Day: 11.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,490,022 km

• M1: 117,135 km (0.117 R)
• M2: 1,352,514 km (0.097 R)
• M3: 2,563,659 km (0.101 R)
• M4: 3,389,738 km (0.074 R)
• M5: 4,336,543 km (0.09 R)
• M6: 5,234,579 km (0.096 R)
• M7: 6,281,914 km (0.109 R)
• M8: 7,362,310 km (0.08 R)
• M9: 9,091,960 km (0.084 R)
• M10: 10,513,290 km (0.1 R)
• M11: 19,120,702 km (0.078 R)
• M12: 19,570,094 km (0.104 R)
• M13: 21,301,390 km (0.116 R)
• M14: 24,837,585 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.2

Radius: 11.9

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.16 AU - 5.3 AU

Year: 6748 Days

Day: 5.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,490,022 km

• M1: 148,102 km (0.05 R)
• M2: 529,277 km (0.081 R)
• M3: 1,001,259 km (0.062 R)
• M4: 1,687,614 km (0.112 R)
• M5: 2,392,668 km (0.086 R)
• M6: 3,007,216 km (0.077 R)
• M7: 3,773,008 km (0.095 R)
• M8: 4,664,761 km (0.107 R)
• M9: 5,756,676 km (0.11 R)
• M10: 6,539,073 km (0.072 R)
• M11: 7,124,150 km (0.075 R)
• M12: 7,904,303 km (0.082 R)
• M13: 8,827,471 km (0.073 R)
• M14: 11,816,586 km (0.066 R)
• M15: 14,735,989 km (0.051 R)
• M16: 17,615,448 km (0.119 R)
• M17: 25,249,877 km (0.11 R)
• M18: 26,416,590 km (0.102 R)
• M19: 29,736,018 km (0.093 R)
• M20: 37,190,779 km (0.105 R)
• M21: 38,700,221 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.8

Radius: 13

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.43 AU - 5.71 AU

Year: 7489 Days

Day: 11.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,490,022 km

• M1: 213,177 km (0.049 R)
• M2: 746,045 km (0.114 R)
• M3: 6,087,885 km (0.111 R)
• M4: 7,301,872 km (0.06 R)
• M5: 9,012,823 km (0.114 R)
• M6: 12,379,373 km (0.091 R)
• M7: 16,506,629 km (0.056 R)
• M8: 18,175,842 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755.8

Radius: 6.9

Gravity: 15.87 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.72 AU - 8.8 AU

Year: 12833 Days

Day: 25 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,490,022 km

• M1: 85,869 km (0.041 R)
• M2: 311,762 km (0.12 R)
• M3: 603,777 km (0.116 R)
• M4: 893,249 km (0.1 R)
• M5: 1,481,019 km (0.084 R)
• M6: 2,223,024 km (0.089 R)
• M7: 2,611,380 km (0.061 R)
• M8: 2,925,835 km (0.098 R)
• M9: 4,140,570 km (0.085 R)
• M10: 4,601,032 km (0.045 R)
• M11: 5,129,113 km (0.119 R)
• M12: 6,424,481 km (0.111 R)
• M13: 6,915,012 km (0.12 R)
• M14: 8,297,895 km (0.098 R)
• M15: 9,029,279 km (0.112 R)
• M16: 10,233,093 km (0.09 R)
• M17: 12,080,776 km (0.066 R)
• M18: 13,473,233 km (0.113 R)
• M19: 14,550,936 km (0.098 R)
• M20: 21,613,751 km (0.11 R)
• M21: 22,712,846 km (0.072 R)
• M22: 25,723,803 km (0.053 R)
• M23: 26,233,183 km (0.06 R)
• M24: 29,653,589 km (0.069 R)
• M25: 29,876,789 km (0.099 R)
• M26: 31,009,395 km (0.06 R)
• M27: 32,288,008 km (0.051 R)
• M28: 37,104,760 km (0.035 R)
• M29: 37,493,864 km (0.09 R)
• M30: 42,804,588 km (0.073 R)
• M31: 47,063,640 km (0.087 R)
• M32: 52,244,064 km (0.065 R)
• M33: 53,389,685 km (0.091 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 14,843 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit