🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.7

Radius: 13.5

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.56 AU - 0.62 AU

Year: 313 Days

Day: 10.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,183,295 km

• M1: 167,998 km (0.087 R)
• M2: 667,805 km (0.115 R)
• M3: 1,404,275 km (0.086 R)
• M4: 2,269,549 km (0.094 R)
• M5: 2,871,531 km (0.115 R)
• M6: 3,477,253 km (0.075 R)
• M7: 3,968,233 km (0.106 R)
• M8: 4,640,526 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.7

Radius: 14.8

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.57 AU - 0.85 AU

Year: 413 Days

Day: 10.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,183,295 km

• M1: 184,005 km (0.096 R)
• M2: 650,900 km (0.102 R)
• M3: 1,128,566 km (0.074 R)
• M4: 1,611,767 km (0.069 R)
• M5: 2,131,919 km (0.117 R)
• M6: 2,934,512 km (0.087 R)
• M7: 4,107,060 km (0.075 R)
• M8: 4,955,579 km (0.12 R)
• M9: 5,422,175 km (0.082 R)
• M10: 6,186,770 km (0.035 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.8

Radius: 8.4

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.93 AU - 1.43 AU

Year: 885 Days

Day: 6.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,183,295 km

• M1: 104,419 km (0.1 R)
• M2: 388,206 km (0.111 R)
• M3: 652,097 km (0.026 R)
• M4: 1,212,192 km (0.106 R)
• M5: 1,705,266 km (0.089 R)
• M6: 2,393,416 km (0.114 R)
• M7: 2,737,192 km (0.095 R)
• M8: 3,499,543 km (0.12 R)
• M9: 4,054,102 km (0.034 R)
• M10: 4,544,933 km (0.044 R)
• M11: 5,271,380 km (0.031 R)
• M12: 5,662,579 km (0.088 R)
• M13: 6,091,326 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.5

Radius: 12.9

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.71 AU - 2.27 AU

Year: 1938 Days

Day: 8.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,183,295 km

• M1: 162,912 km (0.049 R)
• M2: 686,355 km (0.057 R)
• M3: 1,146,967 km (0.112 R)
• M4: 1,566,140 km (0.047 R)
• M5: 2,523,716 km (0.1 R)
• M6: 3,388,541 km (0.111 R)
• M7: 3,958,958 km (0.103 R)
• M8: 5,106,823 km (0.102 R)
• M9: 5,528,090 km (0.113 R)
• M10: 7,885,603 km (0.041 R)
• M11: 9,194,884 km (0.115 R)
• M12: 11,945,988 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.7

Radius: 14

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.33 AU - 5.09 AU

Year: 5963 Days

Day: 8.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,183,295 km

• M1: 174,431 km (0.078 R)
• M2: 615,296 km (0.112 R)
• M3: 1,873,863 km (0.043 R)
• M4: 6,352,823 km (0.107 R)
• M5: 7,230,963 km (0.088 R)
• M6: 8,029,815 km (0.066 R)
• M7: 10,262,564 km (0.067 R)
• M8: 11,025,961 km (0.089 R)
• M9: 13,489,390 km (0.114 R)
• M10: 15,609,939 km (0.042 R)
• M11: 17,207,794 km (0.063 R)
• M12: 20,207,381 km (0.055 R)
• M13: 20,876,682 km (0.115 R)
• M14: 21,792,071 km (0.077 R)
• M15: 23,458,442 km (0.105 R)
• M16: 25,208,288 km (0.095 R)
• M17: 28,315,586 km (0.101 R)
• M18: 30,298,057 km (0.071 R)
• M19: 31,471,652 km (0.12 R)
• M20: 34,117,889 km (0.083 R)
• M21: 35,602,797 km (0.072 R)
• M22: 36,361,109 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.9

Radius: 10.6

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.63 AU - 4.83 AU

Year: 7101 Days

Day: 5.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 108.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,183,295 km

• M1: 131,796 km (0.086 R)
• M2: 707,149 km (0.076 R)
• M3: 1,038,359 km (0.063 R)
• M4: 1,499,270 km (0.097 R)
• M5: 2,754,845 km (0.099 R)
• M6: 4,463,552 km (0.12 R)
• M7: 5,016,017 km (0.046 R)
• M8: 6,136,953 km (0.077 R)
• M9: 7,799,135 km (0.081 R)
• M10: 9,062,340 km (0.056 R)
• M11: 9,498,866 km (0.117 R)
• M12: 10,243,415 km (0.117 R)
• M13: 13,513,475 km (0.115 R)
• M14: 14,031,383 km (0.062 R)
• M15: 15,107,141 km (0.116 R)
• M16: 20,772,412 km (0.115 R)
• M17: 21,254,117 km (0.079 R)
• M18: 24,682,901 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.7

Radius: 11.9

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.6 AU - 5.96 AU

Year: 7214 Days

Day: 8.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,183,295 km

• M1: 148,102 km (0.088 R)
• M2: 623,225 km (0.105 R)
• M3: 1,051,374 km (0.09 R)
• M4: 2,704,879 km (0.117 R)
• M5: 3,625,654 km (0.079 R)
• M6: 4,403,563 km (0.034 R)
• M7: 4,773,967 km (0.092 R)
• M8: 5,258,365 km (0.099 R)
• M9: 6,185,423 km (0.032 R)
• M10: 6,799,522 km (0.092 R)
• M11: 7,296,337 km (0.117 R)
• M12: 8,448,989 km (0.067 R)
• M13: 8,978,715 km (0.068 R)
• M14: 9,814,817 km (0.045 R)
• M15: 10,301,309 km (0.039 R)
• M16: 10,854,971 km (0.11 R)
• M17: 11,695,711 km (0.117 R)
• M18: 14,730,005 km (0.107 R)
• M19: 15,368,488 km (0.085 R)
• M20: 16,976,516 km (0.101 R)
• M21: 18,767,801 km (0.114 R)
• M22: 22,471,395 km (0.091 R)
• M23: 23,749,111 km (0.099 R)
• M24: 24,185,637 km (0.096 R)
• M25: 30,358,943 km (0.117 R)
• M26: 30,769,888 km (0.063 R)
• M27: 31,393,412 km (0.046 R)
• M28: 32,558,331 km (0.084 R)
• M29: 36,805,115 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.4

Radius: 3.2

Gravity: 56 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.09 AU - 8.65 AU

Year: 13811 Days

Day: 16.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 56,183,295 km

• M1: 39,943 km (0.074 R)
• M2: 171,439 km (0.099 R)
• M3: 334,650 km (0.09 R)
• M4: 436,078 km (0.076 R)
• M5: 720,912 km (0.042 R)
• M6: 914,492 km (0.051 R)
• M7: 1,377,048 km (0.049 R)
• M8: 1,521,261 km (0.105 R)
• M9: 2,279,273 km (0.054 R)
• M10: 2,523,267 km (0.111 R)
• M11: 2,852,532 km (0.086 R)
• M12: 3,015,743 km (0.073 R)
• M13: 3,649,590 km (0.079 R)
• M14: 5,596,307 km (0.116 R)
• M15: 6,308,841 km (0.073 R)
• M16: 7,597,777 km (0.111 R)
• M17: 8,140,667 km (0.109 R)
• M18: 9,404,919 km (0.098 R)
• M19: 10,190,757 km (0.048 R)
• M20: 10,517,030 km (0.049 R)
• M21: 11,019,379 km (0.108 R)
• M22: 13,061,839 km (0.11 R)
• M23: 13,189,296 km (0.04 R)
• M24: 13,382,128 km (0.12 R)
• M25: 17,876,646 km (0.036 R)
• M26: 25,498,359 km (0.091 R)
• M27: 30,123,177 km (0.088 R)
• M28: 30,345,778 km (0.1 R)
• M29: 32,749,367 km (0.03 R)
• M30: 36,524,619 km (0.051 R)
• M31: 37,415,475 km (0.089 R)
• M32: 37,543,979 km (0.089 R)
• M33: 37,672,783 km (0.096 R)
• M34: 41,124,006 km (0.111 R)
• M35: 44,347,690 km (0.057 R)
• M36: 48,800,022 km (0.047 R)
• M37: 49,569,853 km (0.11 R)
• M38: 54,359,977 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486

Radius: 3.4

Gravity: 42.04 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.37 AU - 9.25 AU

Year: 15066 Days

Day: 17.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 56,183,295 km

• M1: 42,336 km (0.11 R)
• M2: 177,423 km (0.062 R)
• M3: 421,268 km (0.064 R)
• M4: 648,208 km (0.089 R)
• M5: 799,152 km (0.082 R)
• M6: 1,017,714 km (0.106 R)
• M7: 1,261,559 km (0.115 R)
• M8: 2,932,417 km (0.119 R)
• M9: 3,171,774 km (0.085 R)
• M10: 4,084,022 km (0.115 R)
• M11: 4,727,442 km (0.048 R)
• M12: 5,400,633 km (0.077 R)
• M13: 5,650,611 km (0.115 R)
• M14: 6,728,463 km (0.082 R)
• M15: 7,533,300 km (0.07 R)
• M16: 7,800,332 km (0.109 R)
• M17: 12,229,476 km (0.103 R)
• M18: 16,403,706 km (0.056 R)
• M19: 17,385,068 km (0.108 R)
• M20: 20,735,910 km (0.097 R)
• M21: 21,525,039 km (0.073 R)
• M22: 22,333,915 km (0.106 R)
• M23: 23,256,186 km (0.077 R)
• M24: 26,174,990 km (0.092 R)
• M25: 29,002,539 km (0.061 R)
• M26: 32,726,629 km (0.036 R)
• M27: 34,763,852 km (0.074 R)
• M28: 37,652,438 km (0.084 R)
• M29: 37,781,541 km (0.082 R)
• M30: 40,832,739 km (0.048 R)
• M31: 42,628,063 km (0.115 R)
• M32: 44,619,510 km (0.07 R)
• M33: 45,784,877 km (0.058 R)
• M34: 48,328,340 km (0.11 R)
• M35: 48,940,195 km (0.046 R)
• M36: 49,093,982 km (0.094 R)
• M37: 51,598,250 km (0.077 R)
• M38: 53,368,442 km (0.096 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 18,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit