🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.5

Radius: 11.8

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.74 AU - 1.14 AU

Year: 618 Days

Day: 13.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,281,368 km

• M1: 146,756 km (0.113 R)
• M2: 541,993 km (0.111 R)
• M3: 938,577 km (0.108 R)
• M4: 1,452,446 km (0.091 R)
• M5: 1,884,634 km (0.114 R)
• M6: 2,274,636 km (0.093 R)
• M7: 2,675,259 km (0.078 R)
• M8: 3,063,016 km (0.082 R)
• M9: 3,784,826 km (0.075 R)
• M10: 4,231,226 km (0.054 R)
• M11: 5,441,473 km (0.1 R)
• M12: 5,936,343 km (0.115 R)
• M13: 6,541,616 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871

Radius: 15

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.97 AU - 1.01 AU

Year: 668 Days

Day: 8.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,281,368 km

• M1: 186,549 km (0.112 R)
• M2: 742,155 km (0.039 R)
• M3: 1,403,677 km (0.107 R)
• M4: 3,079,921 km (0.098 R)
• M5: 3,575,688 km (0.077 R)
• M6: 4,201,456 km (0.067 R)
• M7: 4,747,488 km (0.047 R)
• M8: 5,964,168 km (0.042 R)
• M9: 7,679,008 km (0.12 R)

Asteroid Belt

Center: 1.26 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.3

Radius: 14.5

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.21 AU - 1.83 AU

Year: 1271 Days

Day: 13.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,281,368 km

• M1: 180,265 km (0.063 R)
• M2: 739,163 km (0.117 R)
• M3: 1,363,734 km (0.106 R)
• M4: 1,857,108 km (0.044 R)
• M5: 2,709,666 km (0.118 R)
• M6: 3,248,069 km (0.103 R)
• M7: 3,810,856 km (0.088 R)
• M8: 4,508,581 km (0.112 R)
• M9: 5,192,841 km (0.065 R)
• M10: 6,052,730 km (0.074 R)
• M11: 6,887,187 km (0.106 R)
• M12: 7,978,204 km (0.102 R)
• M13: 8,813,858 km (0.115 R)
• M14: 9,296,610 km (0.105 R)
• M15: 10,724,073 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433

Radius: 9

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.12 AU - 2.52 AU

Year: 2397 Days

Day: 10 Hours

Environment

Temp: -201 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,281,368 km

• M1: 111,899 km (0.087 R)
• M2: 405,261 km (0.059 R)
• M3: 764,744 km (0.072 R)
• M4: 1,844,093 km (0.105 R)
• M5: 2,289,895 km (0.049 R)
• M6: 2,649,229 km (0.071 R)
• M7: 3,155,318 km (0.112 R)
• M8: 4,767,834 km (0.112 R)
• M9: 5,133,451 km (0.043 R)
• M10: 5,824,593 km (0.111 R)
• M11: 6,192,903 km (0.072 R)
• M12: 6,655,160 km (0.076 R)
• M13: 7,085,254 km (0.094 R)
• M14: 9,123,675 km (0.048 R)
• M15: 10,598,112 km (0.117 R)
• M16: 12,384,609 km (0.119 R)
• M17: 13,286,236 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.2

Radius: 12.2

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.31 AU - 2.7 AU

Year: 2681 Days

Day: 13.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,281,368 km

• M1: 151,692 km (0.058 R)
• M2: 1,035,965 km (0.106 R)
• M3: 1,515,726 km (0.052 R)
• M4: 2,200,884 km (0.03 R)
• M5: 2,798,378 km (0.048 R)
• M6: 3,599,774 km (0.092 R)
• M7: 5,908,218 km (0.085 R)
• M8: 6,732,802 km (0.06 R)
• M9: 8,853,052 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.8

Radius: 7.7

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 7.06 AU - 7.34 AU

Year: 13104 Days

Day: 20.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,281,368 km

• M1: 95,743 km (0.102 R)
• M2: 341,682 km (0.032 R)
• M3: 644,168 km (0.092 R)
• M4: 1,279,062 km (0.096 R)
• M5: 1,720,525 km (0.097 R)
• M6: 2,079,261 km (0.106 R)
• M7: 3,373,881 km (0.107 R)
• M8: 3,625,355 km (0.053 R)
• M9: 4,038,843 km (0.075 R)
• M10: 4,322,780 km (0.095 R)
• M11: 5,532,279 km (0.105 R)
• M12: 7,787,168 km (0.115 R)
• M13: 12,926,902 km (0.096 R)
• M14: 14,243,363 km (0.07 R)
• M15: 16,350,000 km (0.057 R)
• M16: 17,207,495 km (0.105 R)
• M17: 18,797,870 km (0.064 R)
• M18: 25,178,219 km (0.067 R)
• M19: 27,774,041 km (0.069 R)
• M20: 28,145,643 km (0.073 R)
• M21: 37,182,401 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.7

Radius: 3.6

Gravity: 67.49 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 6.92 AU - 9.16 AU

Year: 15462 Days

Day: 16.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 86,281,368 km

• M1: 45,927 km (0.11 R)
• M2: 436,676 km (0.106 R)
• M3: 576,101 km (0.069 R)
• M4: 958,174 km (0.084 R)
• M5: 1,210,696 km (0.061 R)
• M6: 2,155,257 km (0.055 R)
• M7: 2,923,142 km (0.1 R)
• M8: 3,127,493 km (0.115 R)
• M9: 3,479,796 km (0.096 R)
• M10: 3,593,341 km (0.106 R)
• M11: 4,940,021 km (0.085 R)
• M12: 6,504,665 km (0.094 R)
• M13: 7,729,872 km (0.118 R)
• M14: 8,679,070 km (0.051 R)
• M15: 10,566,995 km (0.081 R)
• M16: 11,988,773 km (0.116 R)
• M17: 12,183,251 km (0.098 R)
• M18: 14,905,184 km (0.068 R)
• M19: 23,778,133 km (0.092 R)
• M20: 32,141,851 km (0.112 R)
• M21: 35,225,212 km (0.095 R)
• M22: 37,940,713 km (0.099 R)
• M23: 39,635,208 km (0.076 R)
• M24: 40,792,497 km (0.052 R)
• M25: 46,918,081 km (0.085 R)
• M26: 48,868,688 km (0.114 R)
• M27: 49,530,658 km (0.07 R)
• M28: 54,510,023 km (0.085 R)
• M29: 58,688,591 km (0.068 R)
• M30: 69,327,244 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994.8

Radius: 6.6

Gravity: 22.84 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.55 AU - 12.15 AU

Year: 20967 Days

Day: 19.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 86,281,368 km

• M1: 82,129 km (0.095 R)
• M2: 300,692 km (0.071 R)
• M3: 701,165 km (0.114 R)
• M4: 965,056 km (0.047 R)
• M5: 2,433,060 km (0.116 R)
• M6: 3,923,803 km (0.078 R)
• M7: 4,261,595 km (0.107 R)
• M8: 4,842,333 km (0.109 R)
• M9: 5,073,313 km (0.11 R)
• M10: 5,810,680 km (0.093 R)
• M11: 7,047,406 km (0.069 R)
• M12: 11,320,968 km (0.1 R)
• M13: 13,458,722 km (0.046 R)
• M14: 14,305,745 km (0.076 R)
• M15: 14,622,444 km (0.096 R)
• M16: 15,024,713 km (0.09 R)
• M17: 15,600,515 km (0.085 R)
• M18: 15,936,063 km (0.09 R)
• M19: 21,050,964 km (0.088 R)
• M20: 23,153,412 km (0.108 R)
• M21: 26,682,575 km (0.074 R)
• M22: 27,404,684 km (0.084 R)
• M23: 28,016,390 km (0.113 R)
• M24: 29,013,909 km (0.086 R)
• M25: 30,164,316 km (0.053 R)
• M26: 33,103,615 km (0.109 R)
• M27: 46,426,652 km (0.103 R)
• M28: 47,120,936 km (0.076 R)
• M29: 53,304,414 km (0.027 R)
• M30: 62,080,723 km (0.065 R)
• M31: 67,472,080 km (0.047 R)
• M32: 73,871,578 km (0.108 R)
• M33: 78,437,156 km (0.097 R)
• M34: 87,596,734 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.3

Radius: 7

Gravity: 18.05 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 9.68 AU - 10.2 AU

Year: 21255 Days

Day: 20.4 Hours

Environment

Temp: -245 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 86,281,368 km

• M1: 87,066 km (0.099 R)
• M2: 366,515 km (0.097 R)
• M3: 623,973 km (0.086 R)
• M4: 980,016 km (0.069 R)
• M5: 1,860,100 km (0.115 R)
• M6: 2,832,785 km (0.102 R)
• M7: 6,750,604 km (0.112 R)
• M8: 9,093,307 km (0.111 R)
• M9: 9,619,442 km (0.101 R)
• M10: 9,920,433 km (0.045 R)
• M11: 10,352,472 km (0.109 R)
• M12: 13,065,280 km (0.108 R)
• M13: 14,194,295 km (0.1 R)
• M14: 19,269,103 km (0.094 R)
• M15: 20,929,191 km (0.106 R)
• M16: 21,231,827 km (0.114 R)
• M17: 21,845,627 km (0.06 R)
• M18: 26,595,809 km (0.086 R)
• M19: 36,305,010 km (0.097 R)
• M20: 37,035,197 km (0.03 R)
• M21: 37,478,007 km (0.071 R)
• M22: 41,623,214 km (0.097 R)
• M23: 46,064,176 km (0.095 R)
• M24: 58,227,381 km (0.028 R)
• M25: 62,504,683 km (0.087 R)
• M26: 63,764,297 km (0.058 R)
• M27: 66,768,821 km (0.028 R)
• M28: 67,644,268 km (0.057 R)
• M29: 70,091,240 km (0.091 R)
• M30: 81,212,495 km (0.089 R)
• M31: 83,468,132 km (0.113 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: 201 - 13,849 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit