🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.9

Radius: 10

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.78 AU - 0.78 AU

Year: 438 Days

Day: 9.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,910,390 km

• M1: 124,316 km (0.104 R)
• M2: 451,038 km (0.057 R)
• M3: 899,831 km (0.095 R)
• M4: 1,285,495 km (0.083 R)
• M5: 2,089,433 km (0.096 R)
• M6: 2,823,809 km (0.102 R)
• M7: 3,169,979 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.4

Radius: 9.1

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.72 AU - 1 AU

Year: 507 Days

Day: 12.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 120.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,910,390 km

• M1: 113,545 km (0.117 R)
• M2: 571,913 km (0.06 R)
• M3: 934,538 km (0.111 R)
• M4: 1,222,963 km (0.098 R)
• M5: 2,162,886 km (0.111 R)
• M6: 2,643,245 km (0.1 R)
• M7: 3,021,727 km (0.045 R)
• M8: 3,534,399 km (0.109 R)
• M9: 4,315,749 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.7

Radius: 9.4

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.05 AU - 1.13 AU

Year: 724 Days

Day: 11 Hours

Environment

Temp: -160 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,910,390 km

• M1: 116,986 km (0.102 R)
• M2: 506,838 km (0.104 R)
• M3: 832,961 km (0.105 R)
• M4: 1,209,798 km (0.104 R)
• M5: 1,608,626 km (0.029 R)
• M6: 1,927,868 km (0.082 R)
• M7: 2,328,341 km (0.087 R)
• M8: 4,687,500 km (0.075 R)
• M9: 5,539,460 km (0.046 R)
• M10: 6,373,617 km (0.043 R)
• M11: 7,016,290 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.1

Radius: 8.6

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.86 AU - 2.5 AU

Year: 2047 Days

Day: 13.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,910,390 km

• M1: 107,262 km (0.034 R)
• M2: 444,156 km (0.079 R)
• M3: 1,044,792 km (0.117 R)
• M4: 1,971,550 km (0.082 R)
• M5: 2,320,861 km (0.119 R)
• M6: 2,589,689 km (0.044 R)
• M7: 3,010,208 km (0.099 R)
• M8: 4,477,913 km (0.083 R)
• M9: 5,576,560 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.7

Radius: 11

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.37 AU - 2.55 AU

Year: 2453 Days

Day: 7 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,910,390 km

• M1: 137,032 km (0.102 R)
• M2: 584,180 km (0.057 R)
• M3: 1,035,217 km (0.096 R)
• M4: 1,556,566 km (0.073 R)
• M5: 1,903,633 km (0.05 R)
• M6: 3,134,823 km (0.092 R)
• M7: 3,677,714 km (0.093 R)
• M8: 5,562,498 km (0.034 R)
• M9: 7,112,332 km (0.101 R)
• M10: 7,890,240 km (0.12 R)
• M11: 8,383,614 km (0.097 R)
• M12: 9,432,146 km (0.091 R)
• M13: 9,912,953 km (0.12 R)
• M14: 10,566,098 km (0.11 R)
• M15: 11,044,362 km (0.081 R)
• M16: 11,958,704 km (0.112 R)
• M17: 13,103,427 km (0.116 R)
• M18: 14,080,152 km (0.071 R)
• M19: 14,610,775 km (0.109 R)
• M20: 16,283,130 km (0.096 R)
• M21: 16,975,918 km (0.113 R)
• M22: 17,356,943 km (0.047 R)
• M23: 17,855,254 km (0.091 R)
• M24: 18,591,724 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.8

Radius: 13

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.45 AU - 3.25 AU

Year: 3059 Days

Day: 10.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,910,390 km

• M1: 161,865 km (0.089 R)
• M2: 1,011,132 km (0.111 R)
• M3: 1,869,674 km (0.056 R)
• M4: 2,489,458 km (0.065 R)
• M5: 3,010,956 km (0.084 R)
• M6: 3,745,332 km (0.102 R)
• M7: 4,761,700 km (0.078 R)
• M8: 6,066,642 km (0.047 R)
• M9: 6,741,778 km (0.06 R)
• M10: 7,208,673 km (0.1 R)
• M11: 8,312,406 km (0.036 R)
• M12: 9,071,465 km (0.092 R)
• M13: 9,525,794 km (0.031 R)
• M14: 10,938,297 km (0.108 R)
• M15: 11,894,975 km (0.106 R)
• M16: 13,001,551 km (0.052 R)
• M17: 13,482,358 km (0.101 R)
• M18: 17,360,833 km (0.081 R)
• M19: 18,300,906 km (0.088 R)
• M20: 19,837,426 km (0.102 R)
• M21: 21,591,610 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.1

Radius: 10.2

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.51 AU - 4.69 AU

Year: 5278 Days

Day: 6.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,910,390 km

• M1: 126,859 km (0.113 R)
• M2: 461,210 km (0.101 R)
• M3: 1,073,514 km (0.096 R)
• M4: 1,424,172 km (0.116 R)
• M5: 2,189,664 km (0.102 R)
• M6: 3,332,442 km (0.066 R)
• M7: 3,722,743 km (0.089 R)
• M8: 4,167,946 km (0.108 R)
• M9: 5,081,241 km (0.096 R)
• M10: 5,452,693 km (0.105 R)
• M11: 5,781,060 km (0.1 R)
• M12: 6,347,138 km (0.109 R)
• M13: 7,159,006 km (0.085 R)
• M14: 8,191,979 km (0.111 R)
• M15: 8,784,686 km (0.059 R)
• M16: 9,662,377 km (0.079 R)
• M17: 11,063,511 km (0.114 R)
• M18: 11,543,121 km (0.064 R)
• M19: 13,439,424 km (0.039 R)
• M20: 15,181,042 km (0.114 R)
• M21: 15,653,921 km (0.103 R)
• M22: 18,499,273 km (0.052 R)
• M23: 19,175,605 km (0.116 R)
• M24: 21,083,726 km (0.098 R)
• M25: 22,653,007 km (0.092 R)
• M26: 23,193,055 km (0.105 R)
• M27: 24,702,049 km (0.118 R)
• M28: 30,081,439 km (0.084 R)

Asteroid Belt

Center: 4.68 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.4

Radius: 11.1

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.63 AU - 5.87 AU

Year: 7648 Days

Day: 6.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,910,390 km

• M1: 138,079 km (0.113 R)
• M2: 570,716 km (0.116 R)
• M3: 983,157 km (0.063 R)
• M4: 1,651,261 km (0.035 R)
• M5: 2,010,296 km (0.06 R)
• M6: 2,772,198 km (0.109 R)
• M7: 3,462,742 km (0.104 R)
• M8: 4,186,646 km (0.114 R)
• M9: 4,723,403 km (0.026 R)
• M10: 5,709,403 km (0.059 R)
• M11: 6,899,603 km (0.098 R)
• M12: 7,846,109 km (0.099 R)
• M13: 8,963,456 km (0.074 R)
• M14: 9,857,153 km (0.087 R)
• M15: 10,760,425 km (0.038 R)
• M16: 14,628,727 km (0.103 R)
• M17: 17,646,864 km (0.103 R)
• M18: 33,672,237 km (0.1 R)
• M19: 36,820,973 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.5

Radius: 8.8

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.55 AU - 6.91 AU

Year: 8721 Days

Day: 15 Hours

Environment

Temp: -211 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,910,390 km

• M1: 112,049 km (0.079 R)
• M2: 523,144 km (0.043 R)
• M3: 1,794,726 km (0.08 R)
• M4: 3,034,593 km (0.106 R)
• M5: 3,395,273 km (0.118 R)
• M6: 4,015,955 km (0.037 R)
• M7: 4,367,659 km (0.086 R)
• M8: 4,858,490 km (0.059 R)
• M9: 6,814,632 km (0.07 R)
• M10: 7,925,695 km (0.119 R)
• M11: 9,199,222 km (0.105 R)
• M12: 9,526,093 km (0.085 R)
• M13: 10,153,656 km (0.095 R)
• M14: 11,384,248 km (0.064 R)
• M15: 11,706,931 km (0.094 R)
• M16: 13,833,315 km (0.118 R)
• M17: 16,205,040 km (0.115 R)
• M18: 19,060,414 km (0.043 R)
• M19: 22,654,952 km (0.031 R)
• M20: 23,338,165 km (0.106 R)
• M21: 24,566,514 km (0.078 R)
• M22: 27,922,742 km (0.101 R)
• M23: 30,528,587 km (0.09 R)
• M24: 31,047,692 km (0.119 R)
• M25: 31,784,312 km (0.041 R)
• M26: 32,532,451 km (0.102 R)
• M27: 33,842,330 km (0.07 R)
• M28: 34,175,185 km (0.084 R)
• M29: 36,218,692 km (0.069 R)
• M30: 40,672,370 km (0.1 R)
• M31: 43,095,257 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.5

Radius: 4.2

Gravity: 35.01 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 8.68 AU - 11.36 AU

Year: 20167 Days

Day: 15.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,910,390 km

• M1: 52,359 km (0.092 R)
• M2: 384,018 km (0.102 R)
• M3: 527,482 km (0.036 R)
• M4: 916,137 km (0.101 R)
• M5: 2,611,081 km (0.1 R)
• M6: 3,006,618 km (0.096 R)
• M7: 3,246,124 km (0.117 R)
• M8: 3,854,389 km (0.111 R)
• M9: 5,485,305 km (0.118 R)
• M10: 5,842,844 km (0.053 R)
• M11: 7,101,561 km (0.09 R)
• M12: 10,437,294 km (0.114 R)
• M13: 16,982,051 km (0.116 R)
• M14: 23,481,181 km (0.116 R)
• M15: 27,390,622 km (0.061 R)
• M16: 31,712,355 km (0.116 R)
• M17: 37,023,079 km (0.066 R)
• M18: 43,984,766 km (0.053 R)
• M19: 44,614,573 km (0.111 R)
• M20: 51,944,569 km (0.074 R)
• M21: 57,190,368 km (0.073 R)
• M22: 68,298,010 km (0.11 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: 365 - 20,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit