🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635

Radius: 9.1

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.52 AU - 0.68 AU

Year: 310 Days

Day: 11.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,076,178 km

• M1: 116,387 km (0.116 R)
• M2: 409,749 km (0.051 R)
• M3: 999,912 km (0.067 R)
• M4: 1,342,790 km (0.108 R)
• M5: 1,716,336 km (0.049 R)
• M6: 2,247,858 km (0.075 R)
• M7: 2,548,250 km (0.074 R)
• M8: 3,157,712 km (0.096 R)
• M9: 3,957,612 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.2

Radius: 12.5

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.58 AU - 0.66 AU

Year: 326 Days

Day: 5.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,076,178 km

• M1: 155,432 km (0.081 R)
• M2: 546,032 km (0.11 R)
• M3: 964,757 km (0.095 R)
• M4: 1,381,686 km (0.084 R)
• M5: 1,798,765 km (0.115 R)
• M6: 2,267,605 km (0.096 R)
• M7: 2,926,583 km (0.047 R)
• M8: 3,581,822 km (0.114 R)
• M9: 4,267,728 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.3

Radius: 11.8

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.63 AU - 0.93 AU

Year: 459 Days

Day: 13.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,076,178 km

• M1: 147,952 km (0.111 R)
• M2: 536,608 km (0.037 R)
• M3: 967,001 km (0.075 R)
• M4: 1,407,866 km (0.081 R)
• M5: 1,967,511 km (0.113 R)
• M6: 2,702,336 km (0.081 R)
• M7: 3,649,590 km (0.093 R)
• M8: 4,131,893 km (0.091 R)
• M9: 4,525,036 km (0.054 R)
• M10: 5,305,788 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.5

Radius: 13.6

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.75 AU - 0.85 AU

Year: 477 Days

Day: 14.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,076,178 km

• M1: 169,195 km (0.116 R)
• M2: 816,056 km (0.082 R)
• M3: 1,282,203 km (0.101 R)
• M4: 1,931,159 km (0.117 R)
• M5: 2,526,259 km (0.118 R)
• M6: 3,422,949 km (0.113 R)
• M7: 3,885,206 km (0.109 R)
• M8: 4,374,840 km (0.105 R)
• M9: 5,310,874 km (0.097 R)
• M10: 5,738,724 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.9

Radius: 15

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.63 AU - 2.43 AU

Year: 1929 Days

Day: 13.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,076,178 km

• M1: 186,549 km (0.099 R)
• M2: 661,522 km (0.093 R)
• M3: 1,890,618 km (0.104 R)
• M4: 2,397,755 km (0.05 R)
• M5: 3,612,489 km (0.108 R)
• M6: 4,655,635 km (0.12 R)
• M7: 5,355,753 km (0.072 R)
• M8: 7,124,449 km (0.083 R)
• M9: 7,635,775 km (0.092 R)
• M10: 8,171,784 km (0.073 R)
• M11: 8,702,557 km (0.055 R)
• M12: 9,287,933 km (0.083 R)
• M13: 10,367,282 km (0.091 R)
• M14: 11,132,326 km (0.086 R)
• M15: 11,785,919 km (0.111 R)
• M16: 13,011,275 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.1

Radius: 9.4

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.68 AU - 2.42 AU

Year: 1957 Days

Day: 10.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,076,178 km

• M1: 116,836 km (0.105 R)
• M2: 468,690 km (0.05 R)
• M3: 844,181 km (0.109 R)
• M4: 1,590,525 km (0.094 R)
• M5: 1,914,105 km (0.112 R)
• M6: 2,207,317 km (0.066 R)
• M7: 2,613,026 km (0.05 R)
• M8: 3,006,468 km (0.119 R)
• M9: 3,804,124 km (0.102 R)
• M10: 5,256,720 km (0.112 R)
• M11: 5,814,420 km (0.044 R)
• M12: 6,157,598 km (0.117 R)
• M13: 6,592,629 km (0.094 R)
• M14: 7,353,783 km (0.112 R)
• M15: 8,698,069 km (0.106 R)
• M16: 11,141,900 km (0.115 R)
• M17: 11,443,190 km (0.064 R)
• M18: 11,788,761 km (0.101 R)
• M19: 12,220,500 km (0.089 R)
• M20: 13,664,868 km (0.093 R)
• M21: 14,053,972 km (0.039 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.7

Radius: 9.6

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.98 AU - 2.3 AU

Year: 2088 Days

Day: 13.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,076,178 km

• M1: 119,379 km (0.084 R)
• M2: 506,688 km (0.104 R)
• M3: 1,216,829 km (0.109 R)
• M4: 1,812,827 km (0.114 R)
• M5: 2,294,233 km (0.103 R)
• M6: 3,164,294 km (0.108 R)
• M7: 3,721,995 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.8

Radius: 12.2

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.02 AU - 5.78 AU

Year: 8368 Days

Day: 8.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,076,178 km

• M1: 151,692 km (0.059 R)
• M2: 546,780 km (0.063 R)
• M3: 1,530,985 km (0.113 R)
• M4: 2,151,517 km (0.119 R)
• M5: 2,647,882 km (0.104 R)
• M6: 3,220,244 km (0.103 R)
• M7: 4,414,035 km (0.048 R)
• M8: 5,222,462 km (0.054 R)
• M9: 6,091,924 km (0.075 R)
• M10: 7,452,218 km (0.107 R)
• M11: 8,118,078 km (0.112 R)
• M12: 10,610,379 km (0.084 R)
• M13: 11,671,476 km (0.103 R)
• M14: 12,398,223 km (0.103 R)
• M15: 14,442,029 km (0.094 R)
• M16: 15,744,428 km (0.112 R)
• M17: 16,562,429 km (0.04 R)
• M18: 17,624,724 km (0.049 R)
• M19: 18,656,650 km (0.089 R)
• M20: 20,200,051 km (0.079 R)
• M21: 22,758,324 km (0.114 R)
• M22: 25,156,378 km (0.045 R)
• M23: 27,231,151 km (0.101 R)
• M24: 28,810,156 km (0.051 R)
• M25: 29,315,797 km (0.116 R)
• M26: 30,658,588 km (0.093 R)
• M27: 31,504,863 km (0.044 R)
• M28: 33,688,992 km (0.1 R)
• M29: 37,510,619 km (0.084 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.8

Radius: 12.6

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5 AU - 6.12 AU

Year: 8743 Days

Day: 10 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,076,178 km

• M1: 156,928 km (0.112 R)
• M2: 629,807 km (0.103 R)
• M3: 1,213,089 km (0.071 R)
• M4: 1,795,922 km (0.074 R)
• M5: 2,452,507 km (0.085 R)
• M6: 3,286,516 km (0.066 R)
• M7: 3,794,400 km (0.026 R)
• M8: 4,516,509 km (0.066 R)
• M9: 4,998,364 km (0.076 R)
• M10: 6,066,194 km (0.078 R)
• M11: 8,148,596 km (0.096 R)
• M12: 8,909,301 km (0.1 R)
• M13: 11,272,050 km (0.109 R)
• M14: 11,949,280 km (0.026 R)
• M15: 13,270,678 km (0.038 R)
• M16: 14,932,710 km (0.103 R)
• M17: 16,007,271 km (0.082 R)
• M18: 17,132,846 km (0.088 R)
• M19: 19,541,072 km (0.108 R)
• M20: 22,166,964 km (0.107 R)
• M21: 23,313,781 km (0.08 R)
• M22: 25,019,945 km (0.119 R)
• M23: 26,353,311 km (0.11 R)
• M24: 27,083,498 km (0.048 R)
• M25: 28,015,044 km (0.094 R)
• M26: 31,039,165 km (0.118 R)
• M27: 39,008,094 km (0.075 R)
• M28: 40,076,222 km (0.059 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 14,287 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit