🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.4

Radius: 10.4

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.75 AU - 0.99 AU

Year: 550 Days

Day: 10.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,599,281 km

• M1: 129,402 km (0.116 R)
• M2: 531,671 km (0.076 R)
• M3: 858,243 km (0.058 R)
• M4: 1,217,278 km (0.1 R)
• M5: 1,593,965 km (0.107 R)
• M6: 2,094,370 km (0.082 R)
• M7: 3,732,168 km (0.084 R)
• M8: 4,264,587 km (0.108 R)
• M9: 4,929,699 km (0.084 R)
• M10: 5,270,034 km (0.11 R)
• M11: 6,627,934 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.8

Radius: 12

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.83 AU - 1.21 AU

Year: 699 Days

Day: 9.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,599,281 km

• M1: 149,299 km (0.075 R)
• M2: 913,893 km (0.083 R)
• M3: 1,383,182 km (0.083 R)
• M4: 2,517,433 km (0.075 R)
• M5: 3,620,717 km (0.11 R)
• M6: 4,106,462 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.3

Radius: 8.6

Gravity: 10.12 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.65 AU - 2.71 AU

Year: 2976 Days

Day: 10.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,599,281 km

• M1: 106,962 km (0.119 R)
• M2: 398,379 km (0.027 R)
• M3: 804,537 km (0.044 R)
• M4: 1,280,259 km (0.114 R)
• M5: 1,835,715 km (0.101 R)
• M6: 3,028,609 km (0.117 R)
• M7: 3,478,749 km (0.071 R)
• M8: 3,789,912 km (0.098 R)
• M9: 4,269,673 km (0.116 R)
• M10: 4,719,364 km (0.057 R)
• M11: 5,955,342 km (0.1 R)
• M12: 6,961,537 km (0.074 R)
• M13: 7,237,844 km (0.042 R)
• M14: 7,845,062 km (0.057 R)
• M15: 9,493,182 km (0.063 R)
• M16: 10,103,391 km (0.087 R)
• M17: 10,984,972 km (0.098 R)
• M18: 11,700,648 km (0.052 R)
• M19: 12,268,521 km (0.075 R)
• M20: 20,091,293 km (0.115 R)
• M21: 20,589,903 km (0.081 R)
• M22: 21,288,824 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.1

Radius: 8

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.26 AU - 3.38 AU

Year: 4103 Days

Day: 12.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,599,281 km

• M1: 99,782 km (0.096 R)
• M2: 352,602 km (0.086 R)
• M3: 776,114 km (0.115 R)
• M4: 1,132,755 km (0.061 R)
• M5: 1,643,482 km (0.102 R)
• M6: 1,919,041 km (0.064 R)
• M7: 2,747,066 km (0.052 R)
• M8: 3,752,363 km (0.113 R)
• M9: 4,166,749 km (0.111 R)
• M10: 5,819,357 km (0.12 R)
• M11: 6,136,953 km (0.066 R)
• M12: 6,466,218 km (0.071 R)
• M13: 7,729,722 km (0.117 R)
• M14: 8,658,725 km (0.111 R)
• M15: 9,942,574 km (0.111 R)
• M16: 11,259,933 km (0.107 R)
• M17: 11,663,248 km (0.089 R)
• M18: 12,122,813 km (0.101 R)
• M19: 14,133,708 km (0.106 R)
• M20: 14,497,978 km (0.039 R)
• M21: 15,739,192 km (0.116 R)
• M22: 18,679,239 km (0.105 R)
• M23: 19,951,419 km (0.067 R)
• M24: 20,410,086 km (0.091 R)
• M25: 21,690,345 km (0.099 R)
• M26: 22,809,337 km (0.089 R)
• M27: 23,966,327 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.9

Radius: 13.4

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.8 AU - 4.2 AU

Year: 4441 Days

Day: 8.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,599,281 km

• M1: 167,250 km (0.083 R)
• M2: 585,526 km (0.107 R)
• M3: 1,176,587 km (0.111 R)
• M4: 1,809,386 km (0.107 R)
• M5: 2,871,531 km (0.115 R)
• M6: 4,314,702 km (0.057 R)
• M7: 6,294,779 km (0.104 R)
• M8: 7,866,903 km (0.085 R)
• M9: 9,136,092 km (0.08 R)
• M10: 11,660,855 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.3

Radius: 8.5

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.53 AU - 4.35 AU

Year: 5304 Days

Day: 13.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,599,281 km

• M1: 105,766 km (0.104 R)
• M2: 406,607 km (0.079 R)
• M3: 818,749 km (0.119 R)
• M4: 1,093,112 km (0.115 R)
• M5: 2,364,993 km (0.053 R)
• M6: 4,575,002 km (0.075 R)
• M7: 5,018,261 km (0.067 R)
• M8: 6,948,223 km (0.075 R)
• M9: 9,043,640 km (0.108 R)
• M10: 14,054,720 km (0.083 R)
• M11: 14,656,403 km (0.07 R)
• M12: 15,104,747 km (0.106 R)
• M13: 19,425,732 km (0.101 R)
• M14: 25,538,002 km (0.036 R)
• M15: 26,269,236 km (0.081 R)
• M16: 26,681,528 km (0.083 R)
• M17: 28,373,630 km (0.085 R)
• M18: 29,070,157 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.7

Radius: 9.7

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.82 AU - 4.84 AU

Year: 7200 Days

Day: 8.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,599,281 km

• M1: 154,385 km (0.104 R)
• M2: 483,949 km (0.106 R)
• M3: 1,169,706 km (0.069 R)
• M4: 1,802,954 km (0.12 R)
• M5: 2,263,266 km (0.11 R)
• M6: 3,848,405 km (0.071 R)
• M7: 5,563,545 km (0.105 R)
• M8: 8,368,056 km (0.096 R)
• M9: 9,223,158 km (0.078 R)
• M10: 10,761,921 km (0.108 R)
• M11: 12,749,628 km (0.076 R)
• M12: 13,779,759 km (0.096 R)
• M13: 14,392,811 km (0.079 R)
• M14: 14,970,558 km (0.034 R)
• M15: 17,378,934 km (0.117 R)
• M16: 21,902,325 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609

Radius: 7

Gravity: 12.43 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 6.09 AU - 6.19 AU

Year: 10319 Days

Day: 18.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,599,281 km

• M1: 94,396 km (0.093 R)
• M2: 462,856 km (0.05 R)
• M3: 786,436 km (0.107 R)
• M4: 1,790,687 km (0.104 R)
• M5: 2,135,958 km (0.039 R)
• M6: 4,483,149 km (0.064 R)
• M7: 4,719,663 km (0.112 R)
• M8: 10,234,439 km (0.053 R)
• M9: 11,121,704 km (0.1 R)
• M10: 12,287,072 km (0.086 R)
• M11: 13,228,192 km (0.082 R)
• M12: 14,664,032 km (0.049 R)
• M13: 15,722,138 km (0.115 R)
• M14: 18,063,793 km (0.097 R)
• M15: 19,748,116 km (0.108 R)
• M16: 26,084,483 km (0.04 R)
• M17: 32,871,739 km (0.066 R)
• M18: 36,312,041 km (0.101 R)
• M19: 44,032,787 km (0.114 R)
• M20: 46,504,293 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 567.1

Radius: 3.9

Gravity: 37.28 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.24 AU - 8.74 AU

Year: 13903 Days

Day: 22.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,599,281 km

• M1: 49,666 km (0.05 R)
• M2: 721,211 km (0.084 R)
• M3: 966,402 km (0.113 R)
• M4: 1,653,505 km (0.103 R)
• M5: 2,328,790 km (0.076 R)
• M6: 2,533,590 km (0.116 R)
• M7: 4,198,763 km (0.075 R)
• M8: 6,014,134 km (0.103 R)
• M9: 11,034,788 km (0.108 R)
• M10: 14,871,225 km (0.044 R)
• M11: 15,503,426 km (0.11 R)
• M12: 16,745,986 km (0.112 R)
• M13: 17,123,870 km (0.117 R)
• M14: 17,662,123 km (0.111 R)
• M15: 18,853,670 km (0.067 R)
• M16: 25,225,791 km (0.107 R)
• M17: 26,836,661 km (0.05 R)
• M18: 34,087,221 km (0.087 R)
• M19: 39,008,991 km (0.097 R)
• M20: 43,243,209 km (0.109 R)
• M21: 44,383,743 km (0.114 R)
• M22: 47,472,341 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.4

Radius: 7.6

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 7.56 AU - 8.38 AU

Year: 15261 Days

Day: 20.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,599,281 km

• M1: 94,546 km (0.066 R)
• M2: 356,941 km (0.061 R)
• M3: 728,093 km (0.09 R)
• M4: 969,544 km (0.115 R)
• M5: 1,669,213 km (0.119 R)
• M6: 3,182,545 km (0.087 R)
• M7: 3,490,268 km (0.067 R)
• M8: 4,018,199 km (0.095 R)
• M9: 5,662,728 km (0.104 R)
• M10: 5,962,373 km (0.099 R)
• M11: 6,757,934 km (0.116 R)
• M12: 9,780,260 km (0.048 R)
• M13: 13,868,471 km (0.107 R)
• M14: 15,475,002 km (0.078 R)
• M15: 16,663,258 km (0.111 R)
• M16: 17,593,607 km (0.073 R)
• M17: 18,722,323 km (0.097 R)
• M18: 19,053,383 km (0.104 R)
• M19: 21,034,059 km (0.074 R)
• M20: 21,753,924 km (0.069 R)
• M21: 23,147,877 km (0.111 R)
• M22: 24,012,253 km (0.099 R)
• M23: 24,699,356 km (0.114 R)
• M24: 24,997,804 km (0.086 R)
• M25: 25,805,334 km (0.066 R)
• M26: 30,675,343 km (0.083 R)
• M27: 33,144,156 km (0.111 R)
• M28: 40,922,498 km (0.043 R)
• M29: 42,469,190 km (0.061 R)
• M30: 47,649,465 km (0.099 R)
• M31: 56,271,538 km (0.055 R)
• M32: 59,420,873 km (0.085 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 12,859 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit