🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.2

Radius: 13.4

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.98 AU - 1.54 AU

Year: 976 Days

Day: 11.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,410,200 km

• M1: 166,802 km (0.091 R)
• M2: 638,633 km (0.037 R)
• M3: 1,094,907 km (0.113 R)
• M4: 2,070,883 km (0.071 R)
• M5: 3,007,216 km (0.085 R)
• M6: 3,610,844 km (0.113 R)
• M7: 4,346,716 km (0.088 R)
• M8: 5,522,256 km (0.107 R)
• M9: 6,341,454 km (0.072 R)
• M10: 6,923,689 km (0.083 R)
• M11: 7,955,764 km (0.056 R)
• M12: 9,738,223 km (0.112 R)
• M13: 10,199,284 km (0.075 R)
• M14: 11,132,326 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934

Radius: 8.7

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.65 AU - 2.25 AU

Year: 1880 Days

Day: 13.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,410,200 km

• M1: 108,159 km (0.092 R)
• M2: 660,325 km (0.114 R)
• M3: 1,329,177 km (0.12 R)
• M4: 2,645,040 km (0.116 R)
• M5: 2,929,426 km (0.067 R)
• M6: 3,334,985 km (0.068 R)
• M7: 4,588,167 km (0.119 R)
• M8: 5,534,074 km (0.104 R)
• M9: 6,002,465 km (0.073 R)
• M10: 6,713,204 km (0.053 R)
• M11: 7,508,467 km (0.108 R)
• M12: 12,785,681 km (0.099 R)
• M13: 13,385,868 km (0.071 R)
• M14: 14,412,558 km (0.104 R)
• M15: 15,347,096 km (0.034 R)
• M16: 16,976,815 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.6

Radius: 8.4

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.03 AU - 3.79 AU

Year: 4347 Days

Day: 8 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,410,200 km

• M1: 105,018 km (0.094 R)
• M2: 418,126 km (0.084 R)
• M3: 759,808 km (0.112 R)
• M4: 1,437,037 km (0.067 R)
• M5: 2,170,516 km (0.071 R)
• M6: 2,985,076 km (0.075 R)
• M7: 3,303,570 km (0.094 R)
• M8: 3,776,449 km (0.094 R)
• M9: 6,184,825 km (0.082 R)
• M10: 10,345,291 km (0.118 R)
• M11: 13,895,249 km (0.092 R)
• M12: 16,893,639 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.4

Radius: 7

Gravity: 18.42 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.17 AU - 6.21 AU

Year: 10630 Days

Day: 19.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,410,200 km

• M1: 87,365 km (0.065 R)
• M2: 498,460 km (0.081 R)
• M3: 823,686 km (0.1 R)
• M4: 1,174,642 km (0.074 R)
• M5: 1,746,705 km (0.101 R)
• M6: 2,854,926 km (0.091 R)
• M7: 3,278,886 km (0.106 R)
• M8: 3,584,215 km (0.082 R)
• M9: 3,880,868 km (0.106 R)
• M10: 6,092,523 km (0.094 R)
• M11: 6,876,715 km (0.102 R)
• M12: 7,378,317 km (0.065 R)
• M13: 9,030,475 km (0.077 R)
• M14: 10,915,109 km (0.064 R)
• M15: 11,539,681 km (0.118 R)
• M16: 11,890,188 km (0.111 R)
• M17: 13,173,439 km (0.094 R)
• M18: 13,427,905 km (0.098 R)
• M19: 16,012,208 km (0.078 R)
• M20: 19,234,546 km (0.119 R)
• M21: 25,918,878 km (0.099 R)
• M22: 27,647,182 km (0.079 R)
• M23: 31,331,778 km (0.105 R)
• M24: 32,359,216 km (0.11 R)
• M25: 34,001,950 km (0.1 R)
• M26: 34,601,838 km (0.067 R)
• M27: 38,869,716 km (0.068 R)
• M28: 40,859,367 km (0.083 R)
• M29: 41,265,226 km (0.049 R)
• M30: 43,195,188 km (0.049 R)
• M31: 46,055,350 km (0.11 R)
• M32: 51,046,683 km (0.109 R)
• M33: 51,991,394 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.5

Radius: 6.2

Gravity: 11.75 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.85 AU - 7.23 AU

Year: 11545 Days

Day: 21.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,410,200 km

• M1: 77,043 km (0.111 R)
• M2: 411,693 km (0.065 R)
• M3: 649,404 km (0.095 R)
• M4: 989,291 km (0.117 R)
• M5: 1,800,111 km (0.111 R)
• M6: 2,233,197 km (0.117 R)
• M7: 2,692,462 km (0.08 R)
• M8: 3,424,295 km (0.09 R)
• M9: 3,695,516 km (0.117 R)
• M10: 4,804,934 km (0.045 R)
• M11: 5,177,283 km (0.085 R)
• M12: 5,370,414 km (0.026 R)
• M13: 7,134,472 km (0.104 R)
• M14: 9,158,382 km (0.032 R)
• M15: 9,779,662 km (0.109 R)
• M16: 10,326,741 km (0.078 R)
• M17: 13,493,878 km (0.072 R)
• M18: 14,743,169 km (0.091 R)
• M19: 15,796,638 km (0.12 R)
• M20: 17,111,603 km (0.11 R)
• M21: 20,837,188 km (0.087 R)
• M22: 21,993,281 km (0.107 R)
• M23: 27,046,846 km (0.11 R)
• M24: 29,227,235 km (0.113 R)
• M25: 29,533,312 km (0.053 R)
• M26: 33,934,183 km (0.108 R)
• M27: 34,955,487 km (0.109 R)
• M28: 36,114,123 km (0.056 R)
• M29: 36,584,758 km (0.117 R)
• M30: 37,658,422 km (0.118 R)
• M31: 38,507,838 km (0.036 R)
• M32: 43,211,345 km (0.092 R)
• M33: 43,741,669 km (0.08 R)
• M34: 44,410,671 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.6

Radius: 6.2

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.07 AU - 7.09 AU

Year: 11651 Days

Day: 19.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,410,200 km

• M1: 77,193 km (0.089 R)
• M2: 354,547 km (0.067 R)
• M3: 747,391 km (0.08 R)
• M4: 2,452,807 km (0.111 R)
• M5: 2,691,415 km (0.105 R)
• M6: 3,805,321 km (0.102 R)
• M7: 4,202,653 km (0.112 R)
• M8: 7,995,408 km (0.047 R)
• M9: 8,398,574 km (0.106 R)
• M10: 8,815,204 km (0.054 R)
• M11: 9,333,411 km (0.06 R)
• M12: 11,357,620 km (0.057 R)
• M13: 12,075,241 km (0.034 R)
• M14: 12,986,741 km (0.096 R)
• M15: 15,006,611 km (0.081 R)
• M16: 17,899,086 km (0.025 R)
• M17: 18,799,366 km (0.049 R)
• M18: 20,168,635 km (0.115 R)
• M19: 27,749,059 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.1

Radius: 7.9

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 9.98 AU - 10.14 AU

Year: 22025 Days

Day: 20.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,410,200 km

• M1: 98,286 km (0.074 R)
• M2: 423,063 km (0.026 R)
• M3: 1,181,075 km (0.106 R)
• M4: 1,992,793 km (0.097 R)
• M5: 2,600,909 km (0.085 R)
• M6: 4,875,694 km (0.104 R)
• M7: 5,289,332 km (0.102 R)
• M8: 5,849,277 km (0.115 R)
• M9: 7,087,349 km (0.097 R)
• M10: 7,767,869 km (0.103 R)
• M11: 8,438,217 km (0.076 R)
• M12: 8,924,411 km (0.11 R)
• M13: 9,834,863 km (0.115 R)
• M14: 13,878,045 km (0.078 R)
• M15: 14,479,279 km (0.071 R)
• M16: 16,636,929 km (0.101 R)
• M17: 18,367,477 km (0.072 R)
• M18: 19,461,486 km (0.094 R)
• M19: 20,695,070 km (0.114 R)
• M20: 27,771,199 km (0.064 R)
• M21: 30,197,377 km (0.085 R)
• M22: 34,640,135 km (0.058 R)
• M23: 36,306,805 km (0.059 R)
• M24: 57,724,134 km (0.071 R)
• M25: 59,080,687 km (0.055 R)
• M26: 60,260,416 km (0.1 R)
• M27: 66,818,039 km (0.038 R)
• M28: 69,612,527 km (0.067 R)
• M29: 71,814,607 km (0.045 R)
• M30: 74,289,854 km (0.11 R)
• M31: 77,991,204 km (0.12 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 20,072 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit