🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.2

Radius: 12.2

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.4 AU - 0.62 AU

Year: 247 Days

Day: 6.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,016,176 km

• M1: 151,692 km (0.091 R)
• M2: 550,371 km (0.109 R)
• M3: 978,071 km (0.08 R)
• M4: 1,576,163 km (0.099 R)
• M5: 2,458,491 km (0.062 R)
• M6: 3,570,602 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.1

Radius: 10.2

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.7 AU - 0.94 AU

Year: 504 Days

Day: 5.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 69,016,176 km

• M1: 146,905 km (0.106 R)
• M2: 517,609 km (0.066 R)
• M3: 842,685 km (0.114 R)
• M4: 1,323,492 km (0.119 R)
• M5: 1,889,272 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464

Radius: 8.2

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.33 AU - 1.87 AU

Year: 1373 Days

Day: 13 Hours

Environment

Temp: -191 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,016,176 km

• M1: 102,026 km (0.089 R)
• M2: 367,113 km (0.1 R)
• M3: 730,486 km (0.076 R)
• M4: 990,637 km (0.041 R)
• M5: 1,306,588 km (0.031 R)
• M6: 1,735,784 km (0.113 R)
• M7: 2,347,041 km (0.093 R)
• M8: 3,366,251 km (0.112 R)
• M9: 3,716,759 km (0.083 R)
• M10: 4,314,403 km (0.077 R)
• M11: 5,149,757 km (0.099 R)
• M12: 5,785,099 km (0.09 R)
• M13: 6,334,722 km (0.06 R)
• M14: 8,086,363 km (0.037 R)
• M15: 9,204,159 km (0.072 R)
• M16: 10,295,325 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.6

Radius: 9.4

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.48 AU - 2.66 AU

Year: 2794 Days

Day: 9.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,016,176 km

• M1: 164,258 km (0.117 R)
• M2: 659,727 km (0.062 R)
• M3: 968,197 km (0.115 R)
• M4: 1,771,239 km (0.115 R)
• M5: 2,362,001 km (0.118 R)
• M6: 2,659,401 km (0.092 R)
• M7: 2,997,941 km (0.11 R)
• M8: 3,524,227 km (0.089 R)
• M9: 4,375,738 km (0.089 R)
• M10: 6,187,218 km (0.045 R)
• M11: 7,663,450 km (0.115 R)
• M12: 8,451,083 km (0.113 R)
• M13: 9,643,228 km (0.099 R)
• M14: 13,000,055 km (0.093 R)
• M15: 14,073,120 km (0.111 R)
• M16: 14,490,349 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.1

Radius: 9.9

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.07 AU - 6.43 AU

Year: 8159 Days

Day: 10.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,016,176 km

• M1: 123,269 km (0.119 R)
• M2: 894,446 km (0.096 R)
• M3: 1,255,874 km (0.07 R)
• M4: 1,775,128 km (0.059 R)
• M5: 2,376,961 km (0.045 R)
• M6: 2,829,195 km (0.081 R)
• M7: 3,504,779 km (0.08 R)
• M8: 6,549,844 km (0.062 R)
• M9: 7,564,865 km (0.114 R)
• M10: 12,117,727 km (0.074 R)
• M11: 12,631,745 km (0.103 R)
• M12: 13,100,734 km (0.108 R)
• M13: 14,261,315 km (0.066 R)
• M14: 15,422,942 km (0.091 R)
• M15: 21,192,334 km (0.109 R)
• M16: 22,446,113 km (0.104 R)
• M17: 25,749,384 km (0.11 R)
• M18: 28,355,080 km (0.074 R)
• M19: 28,957,211 km (0.069 R)
• M20: 34,879,940 km (0.076 R)
• M21: 35,571,232 km (0.115 R)
• M22: 36,154,215 km (0.033 R)
• M23: 41,820,683 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.2

Radius: 9.3

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.68 AU - 6.3 AU

Year: 8725 Days

Day: 8.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,016,176 km

• M1: 115,938 km (0.03 R)
• M2: 432,039 km (0.087 R)
• M3: 1,424,172 km (0.096 R)
• M4: 1,734,438 km (0.112 R)
• M5: 2,173,807 km (0.108 R)
• M6: 2,846,847 km (0.12 R)
• M7: 3,232,361 km (0.083 R)
• M8: 4,489,881 km (0.09 R)
• M9: 6,290,740 km (0.116 R)
• M10: 6,613,871 km (0.092 R)
• M11: 7,529,859 km (0.111 R)
• M12: 16,648,597 km (0.08 R)
• M13: 17,975,231 km (0.114 R)
• M14: 20,601,422 km (0.103 R)
• M15: 21,315,901 km (0.093 R)
• M16: 22,543,502 km (0.025 R)
• M17: 24,340,322 km (0.042 R)
• M18: 26,508,443 km (0.104 R)
• M19: 31,956,798 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.8

Radius: 3.7

Gravity: 49.8 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.81 AU - 6.05 AU

Year: 9794 Days

Day: 19.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,016,176 km

• M1: 46,076 km (0.116 R)
• M2: 181,013 km (0.093 R)
• M3: 344,524 km (0.108 R)
• M4: 612,304 km (0.067 R)
• M5: 765,193 km (0.09 R)
• M6: 974,181 km (0.1 R)
• M7: 1,256,622 km (0.093 R)
• M8: 2,301,414 km (0.12 R)
• M9: 2,736,893 km (0.108 R)
• M10: 3,132,280 km (0.098 R)
• M11: 3,272,154 km (0.117 R)
• M12: 3,927,393 km (0.101 R)
• M13: 5,195,833 km (0.104 R)
• M14: 6,791,594 km (0.103 R)
• M15: 7,066,106 km (0.113 R)
• M16: 7,347,948 km (0.12 R)
• M17: 7,679,158 km (0.066 R)
• M18: 10,129,721 km (0.109 R)
• M19: 12,758,006 km (0.107 R)
• M20: 13,975,583 km (0.106 R)
• M21: 15,069,742 km (0.093 R)
• M22: 17,499,660 km (0.056 R)
• M23: 18,616,557 km (0.036 R)
• M24: 20,909,145 km (0.111 R)
• M25: 24,644,155 km (0.118 R)
• M26: 29,004,185 km (0.116 R)
• M27: 30,883,134 km (0.093 R)
• M28: 35,113,014 km (0.09 R)
• M29: 35,932,062 km (0.107 R)
• M30: 37,730,079 km (0.111 R)
• M31: 38,713,087 km (0.11 R)
• M32: 41,634,135 km (0.089 R)
• M33: 45,246,624 km (0.084 R)
• M34: 46,355,892 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.7

Radius: 5

Gravity: 17.31 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 9.59 AU - 10.59 AU

Year: 21738 Days

Day: 24.9 Hours

Environment

Temp: -245 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,016,176 km

• M1: 74,350 km (0.101 R)
• M2: 377,585 km (0.103 R)
• M3: 622,178 km (0.084 R)
• M4: 1,374,655 km (0.12 R)
• M5: 1,726,509 km (0.104 R)
• M6: 2,217,340 km (0.088 R)
• M7: 3,306,113 km (0.099 R)
• M8: 3,936,219 km (0.031 R)
• M9: 4,215,668 km (0.119 R)
• M10: 4,779,802 km (0.114 R)
• M11: 5,281,104 km (0.085 R)
• M12: 6,730,259 km (0.1 R)
• M13: 6,950,467 km (0.027 R)
• M14: 9,926,417 km (0.095 R)
• M15: 10,444,475 km (0.069 R)
• M16: 13,034,612 km (0.098 R)
• M17: 17,140,176 km (0.066 R)
• M18: 17,634,447 km (0.068 R)
• M19: 18,651,264 km (0.066 R)
• M20: 22,420,083 km (0.092 R)
• M21: 23,713,357 km (0.103 R)
• M22: 25,055,699 km (0.065 R)
• M23: 29,035,900 km (0.081 R)
• M24: 31,419,442 km (0.093 R)
• M25: 39,204,815 km (0.101 R)
• M26: 53,755,900 km (0.12 R)
• M27: 55,525,793 km (0.099 R)
• M28: 67,986,996 km (0.038 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 18,371 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit