🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.9

Radius: 14.3

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.51 AU - 0.59 AU

Year: 282 Days

Day: 11 Hours

Environment

Temp: -150 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,422,123 km

• M1: 177,872 km (0.09 R)
• M2: 670,946 km (0.1 R)
• M3: 1,212,790 km (0.041 R)
• M4: 1,694,944 km (0.04 R)
• M5: 2,258,030 km (0.113 R)
• M6: 2,808,999 km (0.08 R)
• M7: 3,416,367 km (0.104 R)
• M8: 4,173,781 km (0.069 R)
• M9: 4,661,170 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763

Radius: 9.5

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.59 AU - 0.87 AU

Year: 431 Days

Day: 10.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,422,123 km

• M1: 118,182 km (0.058 R)
• M2: 487,091 km (0.078 R)
• M3: 875,297 km (0.082 R)
• M4: 1,191,996 km (0.083 R)
• M5: 1,709,305 km (0.09 R)
• M6: 2,101,551 km (0.104 R)
• M7: 2,643,245 km (0.059 R)
• M8: 2,991,359 km (0.101 R)
• M9: 3,370,141 km (0.086 R)
• M10: 3,819,832 km (0.115 R)
• M11: 4,703,207 km (0.084 R)
• M12: 5,364,131 km (0.075 R)
• M13: 5,665,720 km (0.091 R)
• M14: 6,031,936 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.1

Radius: 11

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.74 AU - 0.84 AU

Year: 485 Days

Day: 13.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 79,422,123 km

• M1: 137,331 km (0.057 R)
• M2: 492,626 km (0.104 R)
• M3: 943,813 km (0.055 R)
• M4: 1,393,953 km (0.11 R)
• M5: 1,785,600 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770

Radius: 9.8

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.79 AU - 0.99 AU

Year: 580 Days

Day: 12.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,422,123 km

• M1: 129,253 km (0.08 R)
• M2: 709,692 km (0.092 R)
• M3: 1,056,311 km (0.066 R)
• M4: 1,411,306 km (0.118 R)
• M5: 1,788,443 km (0.05 R)
• M6: 2,251,897 km (0.103 R)
• M7: 3,370,290 km (0.099 R)
• M8: 4,504,691 km (0.042 R)
• M9: 5,456,433 km (0.097 R)
• M10: 5,764,754 km (0.084 R)
• M11: 7,053,240 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.8

Radius: 13.7

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.84 AU - 5.56 AU

Year: 7033 Days

Day: 7.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,422,123 km

• M1: 177,423 km (0.113 R)
• M2: 744,249 km (0.042 R)
• M3: 1,737,430 km (0.047 R)
• M4: 2,882,003 km (0.097 R)
• M5: 4,235,116 km (0.091 R)
• M6: 5,795,870 km (0.049 R)
• M7: 6,941,042 km (0.072 R)
• M8: 8,043,728 km (0.109 R)
• M9: 9,301,397 km (0.086 R)
• M10: 14,298,864 km (0.089 R)
• M11: 15,431,619 km (0.061 R)
• M12: 20,356,829 km (0.094 R)
• M13: 20,922,160 km (0.1 R)
• M14: 21,425,257 km (0.102 R)
• M15: 23,442,435 km (0.103 R)
• M16: 25,016,055 km (0.103 R)
• M17: 26,827,386 km (0.093 R)
• M18: 29,796,305 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.4

Radius: 10.4

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.5 AU - 5.02 AU

Year: 7168 Days

Day: 14.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,422,123 km

• M1: 129,402 km (0.1 R)
• M2: 471,832 km (0.082 R)
• M3: 957,127 km (0.107 R)
• M4: 1,383,182 km (0.119 R)
• M5: 2,627,986 km (0.094 R)
• M6: 4,456,670 km (0.105 R)
• M7: 5,248,641 km (0.069 R)
• M8: 5,983,017 km (0.075 R)
• M9: 6,436,897 km (0.088 R)
• M10: 8,751,924 km (0.098 R)
• M11: 11,805,965 km (0.074 R)
• M12: 12,570,410 km (0.053 R)
• M13: 16,482,693 km (0.061 R)
• M14: 17,559,200 km (0.107 R)
• M15: 18,365,383 km (0.102 R)
• M16: 21,557,352 km (0.113 R)
• M17: 22,844,044 km (0.101 R)
• M18: 23,729,962 km (0.06 R)
• M19: 27,835,077 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.6

Radius: 6.4

Gravity: 24.21 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.1 AU - 7.14 AU

Year: 11757 Days

Day: 22.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,422,123 km

• M1: 79,586 km (0.065 R)
• M2: 606,919 km (0.065 R)
• M3: 842,685 km (0.111 R)
• M4: 1,056,460 km (0.086 R)
• M5: 1,293,423 km (0.088 R)
• M6: 1,757,625 km (0.064 R)
• M7: 2,347,490 km (0.079 R)
• M8: 2,688,124 km (0.098 R)
• M9: 4,390,997 km (0.056 R)
• M10: 5,253,129 km (0.118 R)
• M11: 6,585,298 km (0.095 R)
• M12: 7,894,579 km (0.116 R)
• M13: 8,367,159 km (0.086 R)
• M14: 9,009,382 km (0.105 R)
• M15: 9,525,495 km (0.105 R)
• M16: 9,790,732 km (0.115 R)
• M17: 11,428,081 km (0.087 R)
• M18: 14,455,941 km (0.083 R)
• M19: 17,899,236 km (0.074 R)
• M20: 20,329,752 km (0.052 R)
• M21: 25,629,855 km (0.09 R)
• M22: 27,511,348 km (0.11 R)
• M23: 27,941,591 km (0.088 R)
• M24: 30,733,387 km (0.094 R)
• M25: 31,313,228 km (0.097 R)
• M26: 34,322,090 km (0.104 R)
• M27: 36,345,850 km (0.11 R)
• M28: 38,313,959 km (0.076 R)
• M29: 43,761,716 km (0.064 R)
• M30: 45,536,395 km (0.104 R)
• M31: 48,443,530 km (0.081 R)
• M32: 51,309,676 km (0.113 R)
• M33: 53,782,828 km (0.101 R)
• M34: 54,793,960 km (0.107 R)
• M35: 55,989,546 km (0.078 R)
• M36: 60,040,208 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.9

Radius: 3

Gravity: 83.43 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 9.39 AU - 9.71 AU

Year: 20371 Days

Day: 21.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 79,422,123 km

• M1: 47,871 km (0.068 R)
• M2: 284,386 km (0.054 R)
• M3: 635,043 km (0.096 R)
• M4: 953,686 km (0.103 R)
• M5: 1,148,463 km (0.087 R)
• M6: 1,913,955 km (0.112 R)
• M7: 3,102,660 km (0.109 R)
• M8: 3,240,739 km (0.082 R)
• M9: 3,499,543 km (0.114 R)
• M10: 3,741,144 km (0.099 R)
• M11: 7,916,420 km (0.112 R)
• M12: 9,841,745 km (0.088 R)
• M13: 10,261,068 km (0.105 R)
• M14: 12,888,006 km (0.099 R)
• M15: 15,606,499 km (0.058 R)
• M16: 15,930,228 km (0.066 R)
• M17: 25,441,511 km (0.117 R)
• M18: 25,665,011 km (0.098 R)
• M19: 27,972,558 km (0.074 R)
• M20: 28,450,074 km (0.115 R)
• M21: 29,791,219 km (0.081 R)
• M22: 30,289,081 km (0.088 R)
• M23: 32,862,463 km (0.107 R)
• M24: 36,279,129 km (0.094 R)
• M25: 36,704,286 km (0.101 R)
• M26: 39,325,989 km (0.106 R)
• M27: 40,226,718 km (0.116 R)
• M28: 42,382,124 km (0.115 R)
• M29: 46,253,717 km (0.108 R)
• M30: 49,307,458 km (0.112 R)
• M31: 53,584,461 km (0.088 R)
• M32: 54,876,837 km (0.083 R)
• M33: 57,140,702 km (0.092 R)
• M34: 57,523,822 km (0.084 R)
• M35: 58,489,476 km (0.055 R)
• M36: 61,451,065 km (0.11 R)
• M37: 64,303,897 km (0.114 R)
• M38: 67,457,121 km (0.101 R)
• M39: 68,315,064 km (0.114 R)
• M40: 70,711,772 km (0.114 R)
• M41: 78,946,836 km (0.079 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: 203 - 10,740 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit