🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301

Radius: 13.6

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.64 AU - 0.9 AU

Year: 436 Days

Day: 12.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 68,489,755 km

• M1: 169,494 km (0.084 R)
• M2: 626,217 km (0.057 R)
• M3: 1,266,496 km (0.076 R)
• M4: 2,857,619 km (0.045 R)
• M5: 3,587,207 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338

Radius: 12.8

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.78 AU - 0.96 AU

Year: 524 Days

Day: 9.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,489,755 km

• M1: 159,172 km (0.082 R)
• M2: 742,454 km (0.07 R)
• M3: 1,152,502 km (0.083 R)
• M4: 1,713,344 km (0.104 R)
• M5: 2,763,671 km (0.115 R)
• M6: 3,834,941 km (0.107 R)
• M7: 4,971,436 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.6

Radius: 11.9

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.48 AU - 2.22 AU

Year: 1625 Days

Day: 6.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,489,755 km

• M1: 148,251 km (0.069 R)
• M2: 718,668 km (0.113 R)
• M3: 1,216,081 km (0.079 R)
• M4: 1,636,302 km (0.105 R)
• M5: 2,537,479 km (0.099 R)
• M6: 3,025,168 km (0.062 R)
• M7: 3,709,878 km (0.078 R)
• M8: 4,713,530 km (0.063 R)
• M9: 5,128,215 km (0.034 R)
• M10: 5,960,428 km (0.069 R)
• M11: 6,674,010 km (0.046 R)
• M12: 7,498,743 km (0.09 R)
• M13: 7,979,251 km (0.072 R)
• M14: 9,096,448 km (0.036 R)
• M15: 9,545,391 km (0.117 R)
• M16: 9,975,485 km (0.105 R)
• M17: 11,827,058 km (0.119 R)
• M18: 12,362,469 km (0.106 R)
• M19: 13,114,946 km (0.117 R)
• M20: 13,688,804 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.3

Radius: 13.7

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.01 AU - 4.61 AU

Year: 4802 Days

Day: 13.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,489,755 km

• M1: 170,392 km (0.089 R)
• M2: 677,978 km (0.093 R)
• M3: 1,327,232 km (0.115 R)
• M4: 2,233,795 km (0.113 R)
• M5: 2,789,252 km (0.096 R)
• M6: 3,311,648 km (0.112 R)
• M7: 4,304,380 km (0.06 R)
• M8: 6,060,359 km (0.102 R)
• M9: 6,508,405 km (0.096 R)
• M10: 7,186,831 km (0.096 R)
• M11: 8,177,319 km (0.103 R)
• M12: 9,594,459 km (0.091 R)
• M13: 11,504,375 km (0.049 R)
• M14: 13,656,490 km (0.119 R)
• M15: 14,317,713 km (0.096 R)
• M16: 15,349,789 km (0.114 R)
• M17: 17,306,080 km (0.043 R)
• M18: 18,278,317 km (0.051 R)
• M19: 20,402,457 km (0.067 R)
• M20: 22,916,449 km (0.104 R)
• M21: 24,248,020 km (0.063 R)
• M22: 26,807,938 km (0.12 R)
• M23: 28,910,088 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.7

Radius: 11.7

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.2 AU - 4.26 AU

Year: 5617 Days

Day: 5.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,489,755 km

• M1: 145,559 km (0.115 R)
• M2: 530,175 km (0.062 R)
• M3: 988,992 km (0.101 R)
• M4: 1,837,511 km (0.108 R)
• M5: 2,504,568 km (0.098 R)
• M6: 2,924,339 km (0.073 R)
• M7: 3,412,477 km (0.066 R)
• M8: 4,580,088 km (0.112 R)
• M9: 5,965,664 km (0.053 R)
• M10: 6,928,326 km (0.117 R)
• M11: 8,068,860 km (0.076 R)
• M12: 11,987,128 km (0.059 R)
• M13: 13,189,595 km (0.113 R)
• M14: 13,903,925 km (0.075 R)
• M15: 14,643,986 km (0.067 R)
• M16: 16,640,370 km (0.091 R)
• M17: 18,471,597 km (0.071 R)
• M18: 20,361,168 km (0.101 R)
• M19: 21,018,650 km (0.107 R)
• M20: 23,313,332 km (0.055 R)
• M21: 24,685,294 km (0.077 R)
• M22: 25,601,282 km (0.051 R)
• M23: 27,148,872 km (0.108 R)
• M24: 27,678,299 km (0.102 R)
• M25: 32,559,827 km (0.056 R)
• M26: 34,067,923 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.5

Radius: 8.7

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.09 AU - 4.95 AU

Year: 6205 Days

Day: 6.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,489,755 km

• M1: 213,027 km (0.071 R)
• M2: 536,608 km (0.118 R)
• M3: 971,937 km (0.117 R)
• M4: 2,091,229 km (0.052 R)
• M5: 2,901,600 km (0.099 R)
• M6: 3,348,150 km (0.068 R)
• M7: 5,378,791 km (0.079 R)
• M8: 7,154,219 km (0.091 R)
• M9: 7,897,122 km (0.11 R)
• M10: 9,046,482 km (0.054 R)
• M11: 10,000,468 km (0.065 R)
• M12: 12,352,745 km (0.081 R)
• M13: 15,164,437 km (0.114 R)
• M14: 16,931,786 km (0.092 R)
• M15: 18,247,799 km (0.091 R)
• M16: 20,521,088 km (0.052 R)
• M17: 23,353,724 km (0.05 R)
• M18: 26,027,486 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.3

Radius: 5.8

Gravity: 10.53 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 9.85 AU - 12.27 AU

Year: 23749 Days

Day: 19.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 68,489,755 km

• M1: 72,106 km (0.06 R)
• M2: 321,935 km (0.111 R)
• M3: 1,606,382 km (0.089 R)
• M4: 1,846,487 km (0.097 R)
• M5: 2,170,067 km (0.089 R)
• M6: 2,399,101 km (0.082 R)
• M7: 2,808,999 km (0.079 R)
• M8: 4,718,915 km (0.053 R)
• M9: 5,511,784 km (0.06 R)
• M10: 6,060,659 km (0.109 R)
• M11: 8,023,233 km (0.061 R)
• M12: 10,200,331 km (0.057 R)
• M13: 11,086,698 km (0.102 R)
• M14: 12,609,754 km (0.117 R)
• M15: 14,052,326 km (0.095 R)
• M16: 15,831,943 km (0.061 R)
• M17: 16,855,940 km (0.081 R)
• M18: 21,775,167 km (0.11 R)
• M19: 23,944,037 km (0.032 R)
• M20: 24,559,482 km (0.091 R)
• M21: 25,929,350 km (0.071 R)
• M22: 27,684,283 km (0.044 R)
• M23: 29,283,634 km (0.026 R)
• M24: 29,517,006 km (0.114 R)
• M25: 31,307,094 km (0.098 R)
• M26: 32,664,845 km (0.066 R)
• M27: 33,041,981 km (0.082 R)
• M28: 33,294,951 km (0.12 R)
• M29: 34,579,099 km (0.115 R)
• M30: 38,350,162 km (0.068 R)
• M31: 39,475,886 km (0.081 R)
• M32: 41,059,529 km (0.032 R)
• M33: 43,286,593 km (0.082 R)
• M34: 44,046,550 km (0.074 R)
• M35: 55,282,098 km (0.063 R)
• M36: 55,996,727 km (0.108 R)
• M37: 61,172,963 km (0.045 R)
• M38: 66,056,137 km (0.038 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 12,325 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit