🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371

Radius: 8.4

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.49 AU - 0.67 AU

Year: 300 Days

Day: 5.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,636,475 km

• M1: 104,868 km (0.059 R)
• M2: 375,939 km (0.113 R)
• M3: 697,724 km (0.083 R)
• M4: 1,383,032 km (0.104 R)
• M5: 1,952,701 km (0.077 R)
• M6: 2,315,476 km (0.073 R)
• M7: 2,758,136 km (0.114 R)
• M8: 3,236,400 km (0.084 R)
• M9: 3,511,361 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.2

Radius: 13.8

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.92 AU - 3.2 AU

Year: 3631 Days

Day: 8.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,636,475 km

• M1: 174,282 km (0.098 R)
• M2: 633,098 km (0.109 R)
• M3: 1,262,905 km (0.091 R)
• M4: 1,940,135 km (0.081 R)
• M5: 2,382,346 km (0.077 R)
• M6: 3,913,480 km (0.112 R)
• M7: 5,475,432 km (0.072 R)
• M8: 8,931,741 km (0.107 R)
• M9: 10,406,327 km (0.115 R)
• M10: 11,677,161 km (0.051 R)
• M11: 12,480,502 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.9

Radius: 11.7

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.37 AU - 4.07 AU

Year: 4866 Days

Day: 5.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,636,475 km

• M1: 145,559 km (0.114 R)
• M2: 531,072 km (0.095 R)
• M3: 1,043,445 km (0.078 R)
• M4: 1,508,096 km (0.051 R)
• M5: 1,905,428 km (0.095 R)
• M6: 2,287,950 km (0.105 R)
• M7: 3,338,426 km (0.1 R)
• M8: 3,819,383 km (0.099 R)
• M9: 4,324,575 km (0.034 R)
• M10: 5,215,580 km (0.097 R)
• M11: 6,002,465 km (0.118 R)
• M12: 6,746,864 km (0.06 R)
• M13: 7,297,534 km (0.117 R)
• M14: 8,877,886 km (0.111 R)
• M15: 14,978,188 km (0.085 R)
• M16: 16,292,555 km (0.109 R)
• M17: 17,568,176 km (0.098 R)
• M18: 18,085,036 km (0.114 R)
• M19: 18,494,037 km (0.088 R)
• M20: 18,909,320 km (0.083 R)
• M21: 19,452,211 km (0.118 R)
• M22: 20,130,039 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.8

Radius: 10.5

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.97 AU - 4.85 AU

Year: 5244 Days

Day: 12.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,636,475 km

• M1: 132,245 km (0.081 R)
• M2: 628,012 km (0.036 R)
• M3: 1,070,373 km (0.074 R)
• M4: 1,511,686 km (0.1 R)
• M5: 1,876,256 km (0.092 R)
• M6: 2,510,402 km (0.072 R)
• M7: 3,834,493 km (0.098 R)
• M8: 5,811,279 km (0.088 R)
• M9: 6,301,511 km (0.11 R)
• M10: 8,351,750 km (0.092 R)
• M11: 8,817,598 km (0.117 R)
• M12: 9,632,906 km (0.066 R)
• M13: 10,453,002 km (0.089 R)
• M14: 11,319,173 km (0.084 R)
• M15: 11,745,826 km (0.054 R)
• M16: 12,183,101 km (0.088 R)
• M17: 13,194,083 km (0.1 R)
• M18: 13,826,882 km (0.118 R)
• M19: 16,024,176 km (0.084 R)
• M20: 17,236,966 km (0.099 R)
• M21: 18,250,342 km (0.067 R)
• M22: 19,370,231 km (0.095 R)
• M23: 19,912,823 km (0.097 R)
• M24: 25,665,459 km (0.096 R)
• M25: 27,323,004 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.9

Radius: 11.8

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.89 AU - 5.03 AU

Year: 7492 Days

Day: 6.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,636,475 km

• M1: 146,756 km (0.08 R)
• M2: 592,258 km (0.08 R)
• M3: 1,127,669 km (0.097 R)
• M4: 1,779,167 km (0.119 R)
• M5: 2,314,129 km (0.094 R)
• M6: 2,749,010 km (0.076 R)
• M7: 4,256,359 km (0.095 R)
• M8: 5,411,703 km (0.111 R)
• M9: 6,471,005 km (0.093 R)
• M10: 7,030,801 km (0.076 R)
• M11: 10,082,747 km (0.116 R)
• M12: 11,148,183 km (0.103 R)
• M13: 11,789,958 km (0.103 R)
• M14: 14,418,392 km (0.116 R)
• M15: 16,993,421 km (0.119 R)
• M16: 18,279,663 km (0.082 R)
• M17: 19,629,634 km (0.113 R)
• M18: 20,486,830 km (0.103 R)
• M19: 23,294,333 km (0.06 R)
• M20: 29,762,646 km (0.083 R)
• M21: 31,207,013 km (0.092 R)
• M22: 33,241,395 km (0.106 R)
• M23: 34,123,873 km (0.059 R)
• M24: 34,796,016 km (0.117 R)
• M25: 35,591,129 km (0.091 R)
• M26: 36,050,992 km (0.11 R)
• M27: 36,631,283 km (0.051 R)
• M28: 40,744,177 km (0.066 R)
• M29: 43,432,750 km (0.059 R)
• M30: 44,222,178 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.4

Radius: 3.3

Gravity: 29.61 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.09 AU - 7.27 AU

Year: 13049 Days

Day: 16.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,636,475 km

• M1: 41,139 km (0.056 R)
• M2: 163,062 km (0.106 R)
• M3: 283,488 km (0.097 R)
• M4: 402,269 km (0.065 R)
• M5: 671,395 km (0.088 R)
• M6: 1,017,565 km (0.06 R)
• M7: 1,148,463 km (0.092 R)
• M8: 2,047,995 km (0.066 R)
• M9: 4,176,025 km (0.086 R)
• M10: 4,484,645 km (0.104 R)
• M11: 5,210,494 km (0.111 R)
• M12: 5,403,475 km (0.025 R)
• M13: 5,668,263 km (0.112 R)
• M14: 8,192,428 km (0.111 R)
• M15: 8,720,060 km (0.046 R)
• M16: 9,038,105 km (0.082 R)
• M17: 9,649,212 km (0.047 R)
• M18: 9,989,398 km (0.08 R)
• M19: 13,004,692 km (0.075 R)
• M20: 14,973,849 km (0.114 R)
• M21: 16,029,113 km (0.069 R)
• M22: 18,806,996 km (0.119 R)
• M23: 21,558,699 km (0.109 R)
• M24: 21,806,433 km (0.092 R)
• M25: 24,209,872 km (0.106 R)
• M26: 24,477,503 km (0.049 R)
• M27: 24,657,020 km (0.092 R)
• M28: 25,291,914 km (0.085 R)
• M29: 28,631,387 km (0.057 R)
• M30: 30,457,827 km (0.079 R)
• M31: 32,468,572 km (0.107 R)
• M32: 40,138,605 km (0.038 R)
• M33: 42,551,469 km (0.098 R)
• M34: 42,681,021 km (0.107 R)
• M35: 44,523,318 km (0.071 R)

Asteroid Belt

Center: 8.12 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.1

Radius: 5

Gravity: 22.04 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 7.95 AU - 10.17 AU

Year: 18496 Days

Day: 20.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 56,636,475 km

• M1: 62,233 km (0.092 R)
• M2: 230,979 km (0.062 R)
• M3: 599,139 km (0.117 R)
• M4: 955,631 km (0.103 R)
• M5: 1,188,106 km (0.103 R)
• M6: 1,716,037 km (0.096 R)
• M7: 2,452,059 km (0.11 R)
• M8: 2,770,403 km (0.114 R)
• M9: 3,658,266 km (0.118 R)
• M10: 4,389,650 km (0.095 R)
• M11: 5,586,433 km (0.093 R)
• M12: 6,259,624 km (0.105 R)
• M13: 9,444,263 km (0.049 R)
• M14: 10,512,990 km (0.094 R)
• M15: 11,046,157 km (0.093 R)
• M16: 11,227,919 km (0.109 R)
• M17: 11,848,151 km (0.115 R)
• M18: 12,688,143 km (0.12 R)
• M19: 13,845,582 km (0.118 R)
• M20: 15,979,596 km (0.117 R)
• M21: 16,525,778 km (0.038 R)
• M22: 16,684,052 km (0.081 R)
• M23: 17,165,009 km (0.106 R)
• M24: 17,490,833 km (0.116 R)
• M25: 20,428,337 km (0.04 R)
• M26: 22,205,111 km (0.11 R)
• M27: 23,180,340 km (0.094 R)
• M28: 27,147,526 km (0.091 R)
• M29: 31,788,052 km (0.056 R)
• M30: 36,526,714 km (0.077 R)
• M31: 51,642,831 km (0.069 R)
• M32: 52,663,088 km (0.093 R)
• M33: 53,870,193 km (0.072 R)
• M34: 54,393,187 km (0.115 R)
• M35: 58,883,667 km (0.069 R)
• M36: 59,624,326 km (0.119 R)
• M37: 60,183,822 km (0.037 R)
• M38: 64,983,819 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.8

Radius: 7.7

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 7.59 AU - 11.23 AU

Year: 19578 Days

Day: 19.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 166.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,636,475 km

• M1: 96,191 km (0.098 R)
• M2: 349,760 km (0.066 R)
• M3: 722,707 km (0.074 R)
• M4: 979,268 km (0.115 R)
• M5: 1,731,745 km (0.116 R)
• M6: 2,240,527 km (0.096 R)
• M7: 2,582,807 km (0.114 R)
• M8: 3,449,727 km (0.086 R)
• M9: 5,854,363 km (0.085 R)
• M10: 6,309,739 km (0.082 R)
• M11: 7,205,830 km (0.078 R)
• M12: 7,508,018 km (0.102 R)
• M13: 9,148,059 km (0.073 R)
• M14: 9,554,068 km (0.105 R)
• M15: 10,566,696 km (0.113 R)
• M16: 11,070,542 km (0.053 R)
• M17: 11,590,394 km (0.11 R)
• M18: 12,431,134 km (0.056 R)
• M19: 14,572,927 km (0.057 R)
• M20: 15,551,746 km (0.038 R)
• M21: 17,253,870 km (0.042 R)
• M22: 18,589,181 km (0.105 R)
• M23: 19,323,407 km (0.084 R)
• M24: 19,823,513 km (0.037 R)
• M25: 20,332,295 km (0.117 R)
• M26: 23,475,047 km (0.106 R)
• M27: 23,853,530 km (0.086 R)
• M28: 34,452,539 km (0.086 R)
• M29: 41,589,405 km (0.093 R)
• M30: 46,163,958 km (0.026 R)
• M31: 46,609,311 km (0.107 R)
• M32: 51,063,139 km (0.111 R)
• M33: 53,474,507 km (0.104 R)
• M34: 53,801,677 km (0.095 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 14,745 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit