🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.6

Radius: 12.8

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.52 AU - 0.84 AU

Year: 368 Days

Day: 11.3 Hours

Environment

Temp: -129 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,781,719 km

• M1: 159,172 km (0.071 R)
• M2: 597,045 km (0.1 R)
• M3: 1,262,307 km (0.106 R)
• M4: 1,963,322 km (0.092 R)
• M5: 2,392,519 km (0.047 R)
• M6: 2,849,690 km (0.04 R)
• M7: 3,567,760 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.4

Radius: 10.6

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.73 AU - 1.21 AU

Year: 627 Days

Day: 7.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 56,781,719 km

• M1: 131,945 km (0.107 R)
• M2: 512,074 km (0.041 R)
• M3: 1,387,670 km (0.066 R)
• M4: 2,239,630 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.3

Radius: 13.7

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.92 AU - 1.08 AU

Year: 656 Days

Day: 9.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,781,719 km

• M1: 170,542 km (0.081 R)
• M2: 708,047 km (0.109 R)
• M3: 1,218,923 km (0.06 R)
• M4: 1,739,075 km (0.088 R)
• M5: 2,513,543 km (0.032 R)
• M6: 2,981,635 km (0.061 R)
• M7: 3,414,123 km (0.061 R)
• M8: 4,684,209 km (0.088 R)
• M9: 6,964,080 km (0.071 R)
• M10: 7,686,638 km (0.075 R)
• M11: 8,310,012 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.2

Radius: 10.7

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.98 AU - 3.02 AU

Year: 2593 Days

Day: 8.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,781,719 km

• M1: 133,292 km (0.089 R)
• M2: 550,221 km (0.099 R)
• M3: 1,049,579 km (0.109 R)
• M4: 1,654,552 km (0.038 R)
• M5: 1,994,888 km (0.104 R)
• M6: 2,774,293 km (0.111 R)
• M7: 3,364,157 km (0.04 R)
• M8: 4,115,737 km (0.111 R)
• M9: 5,400,034 km (0.107 R)
• M10: 6,134,560 km (0.083 R)
• M11: 6,820,167 km (0.094 R)
• M12: 7,404,646 km (0.086 R)
• M13: 8,343,971 km (0.086 R)
• M14: 9,899,190 km (0.042 R)
• M15: 11,316,032 km (0.112 R)
• M16: 12,474,817 km (0.11 R)
• M17: 13,127,213 km (0.117 R)
• M18: 16,068,307 km (0.108 R)
• M19: 16,632,441 km (0.087 R)
• M20: 17,746,197 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.7

Radius: 14.3

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.4 AU - 3.6 AU

Year: 3409 Days

Day: 6.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,781,719 km

• M1: 177,872 km (0.085 R)
• M2: 902,225 km (0.063 R)
• M3: 1,768,396 km (0.092 R)
• M4: 2,505,016 km (0.082 R)
• M5: 2,953,810 km (0.117 R)
• M6: 3,848,555 km (0.06 R)
• M7: 4,939,422 km (0.05 R)
• M8: 7,090,490 km (0.053 R)
• M9: 7,819,182 km (0.119 R)
• M10: 8,661,717 km (0.107 R)
• M11: 9,222,709 km (0.032 R)
• M12: 10,454,498 km (0.089 R)
• M13: 12,566,520 km (0.091 R)
• M14: 13,591,266 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.3

Radius: 9

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.23 AU - 3.87 AU

Year: 4388 Days

Day: 13.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,781,719 km

• M1: 111,899 km (0.119 R)
• M2: 564,134 km (0.115 R)
• M3: 1,227,151 km (0.086 R)
• M4: 2,259,377 km (0.03 R)
• M5: 2,818,274 km (0.063 R)
• M6: 5,202,116 km (0.075 R)
• M7: 5,935,445 km (0.083 R)
• M8: 6,678,647 km (0.082 R)
• M9: 7,117,567 km (0.06 R)
• M10: 7,513,403 km (0.105 R)
• M11: 8,584,674 km (0.076 R)
• M12: 8,928,599 km (0.072 R)
• M13: 9,865,980 km (0.069 R)
• M14: 10,358,755 km (0.114 R)
• M15: 11,229,714 km (0.11 R)
• M16: 16,436,019 km (0.054 R)
• M17: 19,323,557 km (0.04 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.9

Radius: 14.3

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.06 AU - 4.88 AU

Year: 5189 Days

Day: 11.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,781,719 km

• M1: 177,872 km (0.094 R)
• M2: 629,807 km (0.095 R)
• M3: 1,191,248 km (0.1 R)
• M4: 1,867,580 km (0.116 R)
• M5: 2,627,986 km (0.049 R)
• M6: 3,219,346 km (0.119 R)
• M7: 3,963,296 km (0.067 R)
• M8: 4,434,978 km (0.113 R)
• M9: 5,796,170 km (0.059 R)
• M10: 6,650,822 km (0.114 R)
• M11: 7,157,510 km (0.085 R)
• M12: 8,392,590 km (0.111 R)
• M13: 9,685,565 km (0.08 R)
• M14: 12,052,652 km (0.075 R)
• M15: 13,002,299 km (0.077 R)
• M16: 16,264,729 km (0.064 R)
• M17: 18,329,928 km (0.118 R)
• M18: 20,764,184 km (0.059 R)
• M19: 22,620,096 km (0.088 R)
• M20: 24,435,017 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 49.9

Radius: 4.1

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 6.11 AU - 7.11 AU

Year: 11148 Days

Day: 20.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,781,719 km

• M1: 51,013 km (0.078 R)
• M2: 244,144 km (0.077 R)
• M3: 502,499 km (0.115 R)
• M4: 696,827 km (0.072 R)
• M5: 1,818,512 km (0.039 R)
• M6: 1,981,723 km (0.098 R)
• M7: 2,531,046 km (0.118 R)
• M8: 2,865,996 km (0.106 R)
• M9: 4,090,604 km (0.088 R)
• M10: 4,483,448 km (0.034 R)
• M11: 6,567,047 km (0.115 R)
• M12: 7,866,903 km (0.067 R)
• M13: 8,032,209 km (0.106 R)
• M14: 11,044,811 km (0.102 R)
• M15: 12,596,889 km (0.1 R)
• M16: 16,338,930 km (0.112 R)
• M17: 18,694,498 km (0.073 R)
• M18: 19,107,837 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.6

Radius: 5.2

Gravity: 14.7 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.53 AU - 7.29 AU

Year: 11916 Days

Day: 17.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,781,719 km

• M1: 64,626 km (0.027 R)
• M2: 330,761 km (0.098 R)
• M3: 1,008,140 km (0.097 R)
• M4: 1,181,973 km (0.106 R)
• M5: 2,005,210 km (0.027 R)
• M6: 2,229,008 km (0.08 R)
• M7: 3,180,301 km (0.047 R)
• M8: 3,485,331 km (0.093 R)
• M9: 3,861,420 km (0.117 R)
• M10: 5,947,712 km (0.11 R)
• M11: 6,898,107 km (0.076 R)
• M12: 7,736,304 km (0.1 R)
• M13: 8,331,704 km (0.084 R)
• M14: 10,708,066 km (0.117 R)
• M15: 12,162,456 km (0.058 R)
• M16: 16,605,962 km (0.084 R)
• M17: 17,024,686 km (0.051 R)
• M18: 18,545,798 km (0.052 R)
• M19: 19,301,117 km (0.102 R)
• M20: 23,737,293 km (0.068 R)
• M21: 24,898,322 km (0.088 R)
• M22: 27,236,686 km (0.112 R)
• M23: 27,623,995 km (0.111 R)
• M24: 28,907,844 km (0.107 R)
• M25: 31,914,312 km (0.087 R)
• M26: 33,437,667 km (0.119 R)
• M27: 40,016,383 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 666.4

Radius: 7.8

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.2 AU - 8.5 AU

Year: 13072 Days

Day: 20 Hours

Environment

Temp: -228 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 56,781,719 km

• M1: 98,435 km (0.072 R)
• M2: 395,686 km (0.114 R)
• M3: 1,225,207 km (0.087 R)
• M4: 1,508,246 km (0.096 R)
• M5: 1,851,872 km (0.075 R)
• M6: 2,305,303 km (0.106 R)
• M7: 2,853,430 km (0.117 R)
• M8: 3,407,989 km (0.073 R)
• M9: 3,697,611 km (0.053 R)
• M10: 4,003,837 km (0.083 R)
• M11: 4,510,226 km (0.104 R)
• M12: 6,210,406 km (0.117 R)
• M13: 6,684,631 km (0.049 R)
• M14: 7,013,896 km (0.082 R)
• M15: 7,354,082 km (0.089 R)
• M16: 9,579,500 km (0.06 R)
• M17: 10,266,603 km (0.044 R)
• M18: 12,037,393 km (0.102 R)
• M19: 13,936,089 km (0.08 R)
• M20: 14,611,074 km (0.116 R)
• M21: 16,691,682 km (0.032 R)
• M22: 17,452,836 km (0.088 R)
• M23: 17,999,167 km (0.06 R)
• M24: 21,877,641 km (0.112 R)
• M25: 22,421,280 km (0.111 R)
• M26: 23,630,330 km (0.114 R)
• M27: 24,395,523 km (0.099 R)
• M28: 25,375,240 km (0.095 R)
• M29: 26,482,862 km (0.097 R)
• M30: 27,832,983 km (0.101 R)
• M31: 30,895,999 km (0.117 R)
• M32: 40,871,634 km (0.047 R)
• M33: 41,145,249 km (0.103 R)
• M34: 49,313,592 km (0.111 R)
• M35: 50,247,980 km (0.049 R)
• M36: 53,939,607 km (0.081 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 13,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit