🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.7

Radius: 12.1

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.74 AU - 1.2 AU

Year: 659 Days

Day: 11.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,825,342 km

• M1: 150,495 km (0.09 R)
• M2: 543,339 km (0.09 R)
• M3: 1,130,810 km (0.099 R)
• M4: 1,589,477 km (0.096 R)
• M5: 2,393,566 km (0.055 R)
• M6: 2,859,414 km (0.119 R)
• M7: 4,065,621 km (0.119 R)
• M8: 4,817,949 km (0.109 R)
• M9: 5,473,636 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.7

Radius: 10.3

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.61 AU - 2.05 AU

Year: 1709 Days

Day: 8.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,825,342 km

• M1: 128,056 km (0.109 R)
• M2: 610,958 km (0.094 R)
• M3: 1,007,392 km (0.065 R)
• M4: 1,357,152 km (0.038 R)
• M5: 1,706,014 km (0.1 R)
• M6: 2,299,469 km (0.112 R)
• M7: 2,773,096 km (0.117 R)
• M8: 4,256,508 km (0.084 R)
• M9: 4,782,195 km (0.107 R)
• M10: 5,534,373 km (0.086 R)
• M11: 6,111,372 km (0.06 R)
• M12: 6,440,338 km (0.102 R)
• M13: 6,861,755 km (0.057 R)
• M14: 7,499,491 km (0.116 R)
• M15: 8,608,011 km (0.101 R)
• M16: 8,989,934 km (0.095 R)
• M17: 9,316,955 km (0.059 R)
• M18: 9,651,905 km (0.076 R)
• M19: 14,061,601 km (0.1 R)
• M20: 14,414,054 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.1

Radius: 8.8

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.4 AU - 2.88 AU

Year: 2961 Days

Day: 13.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,825,342 km

• M1: 109,506 km (0.059 R)
• M2: 425,008 km (0.041 R)
• M3: 711,487 km (0.119 R)
• M4: 1,010,683 km (0.113 R)
• M5: 1,533,528 km (0.051 R)
• M6: 1,828,834 km (0.098 R)
• M7: 2,293,635 km (0.049 R)
• M8: 2,848,493 km (0.091 R)
• M9: 3,270,957 km (0.079 R)
• M10: 4,106,761 km (0.079 R)
• M11: 5,273,774 km (0.057 R)
• M12: 6,579,015 km (0.099 R)
• M13: 7,620,366 km (0.094 R)
• M14: 8,601,130 km (0.111 R)
• M15: 9,574,563 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.5

Radius: 10

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.84 AU - 3.38 AU

Year: 3786 Days

Day: 9.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,825,342 km

• M1: 124,316 km (0.045 R)
• M2: 487,539 km (0.116 R)
• M3: 1,218,774 km (0.091 R)
• M4: 3,099,219 km (0.086 R)
• M5: 3,899,717 km (0.075 R)
• M6: 4,304,679 km (0.096 R)
• M7: 5,907,171 km (0.098 R)
• M8: 7,322,666 km (0.061 R)
• M9: 9,134,596 km (0.086 R)
• M10: 9,812,872 km (0.115 R)
• M11: 11,440,348 km (0.055 R)
• M12: 15,015,737 km (0.113 R)
• M13: 16,121,564 km (0.056 R)
• M14: 16,999,853 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.9

Radius: 8.8

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.79 AU - 4.99 AU

Year: 6349 Days

Day: 6.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,825,342 km

• M1: 109,954 km (0.104 R)
• M2: 453,431 km (0.076 R)
• M3: 859,889 km (0.076 R)
• M4: 1,423,873 km (0.07 R)
• M5: 1,874,910 km (0.103 R)
• M6: 2,549,597 km (0.103 R)
• M7: 3,418,162 km (0.04 R)
• M8: 4,183,953 km (0.068 R)
• M9: 4,670,446 km (0.05 R)
• M10: 6,870,731 km (0.047 R)
• M11: 7,548,709 km (0.04 R)
• M12: 8,159,367 km (0.116 R)
• M13: 14,233,190 km (0.109 R)
• M14: 15,164,736 km (0.074 R)
• M15: 15,731,413 km (0.038 R)
• M16: 17,516,265 km (0.106 R)
• M17: 19,764,422 km (0.058 R)
• M18: 20,304,171 km (0.09 R)
• M19: 23,675,509 km (0.035 R)
• M20: 24,592,544 km (0.092 R)
• M21: 25,059,887 km (0.085 R)
• M22: 27,071,081 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 362.6

Radius: 6.6

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.91 AU - 7.39 AU

Year: 13197 Days

Day: 19.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,825,342 km

• M1: 82,129 km (0.097 R)
• M2: 766,988 km (0.081 R)
• M3: 1,183,020 km (0.098 R)
• M4: 1,403,378 km (0.071 R)
• M5: 2,027,799 km (0.088 R)
• M6: 2,865,846 km (0.034 R)
• M7: 3,968,383 km (0.069 R)
• M8: 6,820,765 km (0.076 R)
• M9: 8,570,761 km (0.1 R)
• M10: 8,889,105 km (0.042 R)
• M11: 17,901,928 km (0.115 R)
• M12: 18,123,782 km (0.08 R)
• M13: 20,686,394 km (0.116 R)
• M14: 21,259,503 km (0.092 R)
• M15: 21,675,235 km (0.104 R)
• M16: 29,188,789 km (0.054 R)
• M17: 31,925,682 km (0.111 R)
• M18: 32,470,966 km (0.057 R)
• M19: 33,244,686 km (0.082 R)
• M20: 33,917,727 km (0.113 R)
• M21: 42,321,836 km (0.074 R)
• M22: 42,715,727 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 734.1

Radius: 4.5

Gravity: 36.25 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 9.46 AU - 9.64 AU

Year: 20371 Days

Day: 17.7 Hours

Environment

Temp: -245 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 78,825,342 km

• M1: 56,249 km (0.114 R)
• M2: 267,481 km (0.108 R)
• M3: 442,959 km (0.11 R)
• M4: 764,744 km (0.098 R)
• M5: 1,243,009 km (0.117 R)
• M6: 1,393,055 km (0.093 R)
• M7: 2,886,641 km (0.101 R)
• M8: 4,837,098 km (0.074 R)
• M9: 5,173,244 km (0.11 R)
• M10: 5,645,225 km (0.05 R)
• M11: 5,975,537 km (0.105 R)
• M12: 6,188,565 km (0.037 R)
• M13: 6,495,091 km (0.071 R)
• M14: 7,722,990 km (0.105 R)
• M15: 9,551,974 km (0.046 R)
• M16: 10,566,397 km (0.081 R)
• M17: 12,597,637 km (0.104 R)
• M18: 23,012,042 km (0.066 R)
• M19: 25,263,191 km (0.092 R)
• M20: 26,271,331 km (0.107 R)
• M21: 26,613,312 km (0.083 R)
• M22: 34,225,898 km (0.107 R)
• M23: 37,006,474 km (0.069 R)
• M24: 37,149,340 km (0.105 R)
• M25: 41,453,869 km (0.107 R)
• M26: 51,036,660 km (0.064 R)
• M27: 51,925,870 km (0.058 R)
• M28: 52,284,456 km (0.07 R)
• M29: 69,094,769 km (0.096 R)
• M30: 78,825,362 km (0.106 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 16,804 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit