🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.7

Radius: 9.8

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.49 AU - 0.55 AU

Year: 254 Days

Day: 7.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 91,358,806 km

• M1: 121,922 km (0.103 R)
• M2: 515,365 km (0.104 R)
• M3: 938,876 km (0.084 R)
• M4: 1,275,322 km (0.078 R)
• M5: 1,739,075 km (0.113 R)
• M6: 2,201,482 km (0.063 R)
• M7: 2,600,909 km (0.107 R)
• M8: 2,979,990 km (0.101 R)
• M9: 3,546,666 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433

Radius: 11.7

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1 AU - 1.38 AU

Year: 880 Days

Day: 12.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,358,806 km

• M1: 145,559 km (0.113 R)
• M2: 574,007 km (0.119 R)
• M3: 1,069,026 km (0.101 R)
• M4: 1,447,060 km (0.081 R)
• M5: 2,271,195 km (0.026 R)
• M6: 3,268,863 km (0.07 R)
• M7: 3,925,448 km (0.033 R)
• M8: 5,004,198 km (0.119 R)
• M9: 6,171,062 km (0.117 R)
• M10: 6,681,490 km (0.025 R)
• M11: 7,602,414 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.4

Radius: 11.9

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.52 AU - 1.62 AU

Year: 1334 Days

Day: 13.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 91,358,806 km

• M1: 147,952 km (0.061 R)
• M2: 546,032 km (0.078 R)
• M3: 1,186,311 km (0.115 R)
• M4: 1,715,439 km (0.092 R)
• M5: 2,316,224 km (0.1 R)
• M6: 2,699,494 km (0.052 R)
• M7: 4,097,037 km (0.088 R)
• M8: 5,055,510 km (0.055 R)
• M9: 5,840,151 km (0.109 R)
• M10: 6,320,660 km (0.102 R)
• M11: 7,439,652 km (0.101 R)
• M12: 8,284,431 km (0.087 R)
• M13: 9,252,778 km (0.093 R)
• M14: 9,939,283 km (0.1 R)
• M15: 11,309,001 km (0.056 R)
• M16: 12,574,748 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.2

Radius: 13.5

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.63 AU - 2.61 AU

Year: 2094 Days

Day: 6.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,358,806 km

• M1: 170,691 km (0.081 R)
• M2: 659,577 km (0.11 R)
• M3: 1,093,860 km (0.112 R)
• M4: 1,604,288 km (0.1 R)
• M5: 2,327,294 km (0.112 R)
• M6: 3,225,629 km (0.065 R)
• M7: 4,553,460 km (0.12 R)
• M8: 5,084,532 km (0.09 R)
• M9: 5,831,624 km (0.099 R)
• M10: 6,874,471 km (0.117 R)
• M11: 8,132,739 km (0.117 R)
• M12: 10,412,610 km (0.046 R)
• M13: 11,259,633 km (0.068 R)
• M14: 12,743,943 km (0.094 R)
• M15: 16,606,860 km (0.052 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118.1

Radius: 3.1

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.26 AU - 6.14 AU

Year: 9230 Days

Day: 17.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 73.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,358,806 km

• M1: 80,035 km (0.096 R)
• M2: 353,949 km (0.107 R)
• M3: 482,453 km (0.078 R)
• M4: 1,130,511 km (0.076 R)
• M5: 1,479,523 km (0.11 R)
• M6: 2,293,934 km (0.061 R)
• M7: 2,432,910 km (0.087 R)
• M8: 3,213,961 km (0.109 R)
• M9: 3,548,312 km (0.065 R)
• M10: 4,217,014 km (0.108 R)
• M11: 5,798,413 km (0.057 R)
• M12: 7,069,846 km (0.115 R)
• M13: 8,662,913 km (0.077 R)
• M14: 19,004,913 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 836

Radius: 4.8

Gravity: 36.28 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.26 AU - 7.24 AU

Year: 10598 Days

Day: 22.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 91,358,806 km

• M1: 63,130 km (0.067 R)
• M2: 269,426 km (0.059 R)
• M3: 472,580 km (0.103 R)
• M4: 1,129,913 km (0.073 R)
• M5: 1,397,543 km (0.06 R)
• M6: 1,598,603 km (0.098 R)
• M7: 1,868,627 km (0.091 R)
• M8: 2,340,010 km (0.052 R)
• M9: 2,688,723 km (0.116 R)
• M10: 3,166,239 km (0.107 R)
• M11: 3,412,776 km (0.104 R)
• M12: 3,566,712 km (0.088 R)
• M13: 3,752,214 km (0.071 R)
• M14: 5,069,573 km (0.105 R)
• M15: 5,546,341 km (0.09 R)
• M16: 6,164,928 km (0.064 R)
• M17: 7,755,752 km (0.106 R)
• M18: 8,527,827 km (0.076 R)
• M19: 12,796,751 km (0.048 R)
• M20: 17,607,669 km (0.117 R)
• M21: 21,699,171 km (0.094 R)
• M22: 23,222,975 km (0.055 R)
• M23: 26,282,102 km (0.099 R)
• M24: 29,599,584 km (0.114 R)
• M25: 36,304,112 km (0.058 R)
• M26: 36,925,392 km (0.065 R)
• M27: 38,445,456 km (0.092 R)
• M28: 39,612,469 km (0.115 R)
• M29: 45,372,137 km (0.104 R)
• M30: 49,355,030 km (0.115 R)
• M31: 52,767,807 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994.1

Radius: 7.1

Gravity: 19.72 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 6.14 AU - 9.74 AU

Year: 15175 Days

Day: 17.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 91,358,806 km

• M1: 164,258 km (0.099 R)
• M2: 392,545 km (0.076 R)
• M3: 1,833,920 km (0.063 R)
• M4: 2,500,229 km (0.107 R)
• M5: 4,172,883 km (0.099 R)
• M6: 5,544,097 km (0.072 R)
• M7: 5,939,335 km (0.094 R)
• M8: 12,457,015 km (0.08 R)
• M9: 14,863,147 km (0.109 R)
• M10: 20,759,397 km (0.102 R)
• M11: 22,892,813 km (0.054 R)
• M12: 24,116,074 km (0.109 R)
• M13: 25,061,682 km (0.068 R)
• M14: 26,031,825 km (0.028 R)
• M15: 27,703,880 km (0.117 R)
• M16: 29,564,878 km (0.112 R)
• M17: 33,147,896 km (0.066 R)
• M18: 35,780,968 km (0.074 R)
• M19: 36,872,135 km (0.111 R)
• M20: 41,907,749 km (0.091 R)
• M21: 49,197,803 km (0.065 R)
• M22: 50,037,645 km (0.096 R)
• M23: 53,670,031 km (0.114 R)
• M24: 59,726,950 km (0.059 R)
• M25: 61,648,535 km (0.066 R)
• M26: 66,632,238 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 825.3

Radius: 3.8

Gravity: 57.15 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 10.34 AU - 11.2 AU

Year: 23973 Days

Day: 22.8 Hours

Environment

Temp: -244 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 91,358,806 km

• M1: 47,423 km (0.083 R)
• M2: 197,320 km (0.067 R)
• M3: 1,158,187 km (0.119 R)
• M4: 1,508,545 km (0.105 R)
• M5: 2,320,712 km (0.116 R)
• M6: 2,767,561 km (0.113 R)
• M7: 5,137,191 km (0.1 R)
• M8: 8,762,396 km (0.072 R)
• M9: 10,593,923 km (0.032 R)
• M10: 11,877,024 km (0.075 R)
• M11: 12,447,141 km (0.067 R)
• M12: 13,109,860 km (0.039 R)
• M13: 13,951,497 km (0.068 R)
• M14: 15,239,236 km (0.109 R)
• M15: 17,046,677 km (0.083 R)
• M16: 18,048,235 km (0.102 R)
• M17: 19,281,520 km (0.09 R)
• M18: 19,476,147 km (0.1 R)
• M19: 20,671,434 km (0.095 R)
• M20: 25,355,941 km (0.075 R)
• M21: 31,907,131 km (0.113 R)
• M22: 32,179,400 km (0.084 R)
• M23: 32,866,951 km (0.1 R)
• M24: 35,568,988 km (0.118 R)
• M25: 35,861,751 km (0.062 R)
• M26: 37,199,156 km (0.06 R)
• M27: 43,046,937 km (0.105 R)
• M28: 43,546,145 km (0.096 R)
• M29: 48,394,462 km (0.077 R)
• M30: 49,843,019 km (0.068 R)
• M31: 51,133,899 km (0.047 R)
• M32: 52,069,484 km (0.116 R)
• M33: 56,919,297 km (0.113 R)
• M34: 58,126,552 km (0.105 R)
• M35: 59,556,259 km (0.07 R)
• M36: 61,850,192 km (0.081 R)
• M37: 62,698,712 km (0.058 R)
• M38: 62,912,038 km (0.115 R)
• M39: 64,636,303 km (0.105 R)
• M40: 69,311,685 km (0.107 R)
• M41: 73,969,266 km (0.12 R)
• M42: 78,831,047 km (0.131 R)
• M43: 79,079,529 km (0.064 R)
• M44: 79,328,609 km (0.156 R)
• M45: 82,358,116 km (0.086 R)
• M46: 85,202,121 km (0.078 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 12,070 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit