🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.3

Radius: 14.2

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.7 AU - 0.78 AU

Year: 418 Days

Day: 9.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,639,376 km

• M1: 176,675 km (0.052 R)
• M2: 629,508 km (0.074 R)
• M3: 1,257,819 km (0.089 R)
• M4: 2,139,100 km (0.094 R)
• M5: 2,638,458 km (0.12 R)
• M6: 3,273,650 km (0.08 R)
• M7: 3,723,042 km (0.102 R)
• M8: 4,526,084 km (0.093 R)
• M9: 5,071,069 km (0.073 R)
• M10: 5,541,704 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.5

Radius: 14.6

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.71 AU - 0.97 AU

Year: 505 Days

Day: 7.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,639,376 km

• M1: 181,612 km (0.116 R)
• M2: 780,452 km (0.102 R)
• M3: 1,452,595 km (0.118 R)
• M4: 1,908,420 km (0.057 R)
• M5: 2,567,548 km (0.1 R)
• M6: 3,581,971 km (0.083 R)
• M7: 4,293,459 km (0.117 R)
• M8: 5,371,162 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.5

Radius: 8.4

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.32 AU - 1.42 AU

Year: 1052 Days

Day: 7.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,639,376 km

• M1: 104,419 km (0.077 R)
• M2: 576,251 km (0.051 R)
• M3: 953,088 km (0.075 R)
• M4: 1,227,151 km (0.057 R)
• M5: 1,570,927 km (0.102 R)
• M6: 2,905,490 km (0.081 R)
• M7: 3,271,556 km (0.101 R)
• M8: 4,128,452 km (0.065 R)
• M9: 4,439,616 km (0.118 R)
• M10: 4,801,643 km (0.108 R)
• M11: 6,194,997 km (0.096 R)
• M12: 6,961,836 km (0.102 R)
• M13: 7,238,891 km (0.079 R)
• M14: 7,668,237 km (0.09 R)
• M15: 8,630,600 km (0.108 R)
• M16: 9,004,745 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.7

Radius: 11

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.3 AU - 1.54 AU

Year: 1110 Days

Day: 7.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,639,376 km

• M1: 136,732 km (0.096 R)
• M2: 671,246 km (0.115 R)
• M3: 1,026,541 km (0.108 R)
• M4: 1,520,214 km (0.055 R)
• M5: 2,128,030 km (0.084 R)
• M6: 2,541,069 km (0.119 R)
• M7: 3,876,679 km (0.051 R)
• M8: 4,515,163 km (0.114 R)
• M9: 5,513,430 km (0.115 R)
• M10: 5,981,072 km (0.077 R)
• M11: 6,430,913 km (0.107 R)
• M12: 6,811,640 km (0.116 R)
• M13: 7,254,898 km (0.088 R)
• M14: 8,251,370 km (0.084 R)
• M15: 9,564,989 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.8

Radius: 12.2

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.14 AU - 2.44 AU

Year: 2273 Days

Day: 12.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,639,376 km

• M1: 151,692 km (0.089 R)
• M2: 614,548 km (0.065 R)
• M3: 1,183,918 km (0.111 R)
• M4: 1,664,127 km (0.103 R)
• M5: 2,491,104 km (0.116 R)
• M6: 3,105,502 km (0.08 R)
• M7: 3,801,282 km (0.11 R)
• M8: 4,282,389 km (0.105 R)
• M9: 5,549,931 km (0.058 R)
• M10: 6,524,711 km (0.116 R)
• M11: 7,107,844 km (0.098 R)
• M12: 8,196,767 km (0.117 R)
• M13: 8,749,979 km (0.041 R)
• M14: 10,418,445 km (0.112 R)
• M15: 12,852,103 km (0.061 R)
• M16: 13,557,457 km (0.108 R)
• M17: 13,984,409 km (0.097 R)
• M18: 15,182,090 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.1

Radius: 10.2

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.77 AU - 3.73 AU

Year: 3844 Days

Day: 6.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,639,376 km

• M1: 126,859 km (0.056 R)
• M2: 572,212 km (0.107 R)
• M3: 1,705,715 km (0.108 R)
• M4: 2,392,369 km (0.062 R)
• M5: 3,306,263 km (0.076 R)
• M6: 3,902,111 km (0.04 R)
• M7: 4,723,702 km (0.101 R)
• M8: 5,284,096 km (0.114 R)
• M9: 7,632,035 km (0.106 R)
• M10: 8,948,047 km (0.093 R)
• M11: 10,524,958 km (0.108 R)
• M12: 11,196,952 km (0.082 R)
• M13: 13,752,532 km (0.051 R)
• M14: 15,389,731 km (0.088 R)
• M15: 18,533,082 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.1

Radius: 8.2

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.68 AU - 3.86 AU

Year: 3879 Days

Day: 7.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,639,376 km

• M1: 102,026 km (0.118 R)
• M2: 578,345 km (0.084 R)
• M3: 947,852 km (0.065 R)
• M4: 2,311,885 km (0.077 R)
• M5: 2,874,523 km (0.117 R)
• M6: 3,164,893 km (0.11 R)
• M7: 5,206,006 km (0.108 R)
• M8: 8,420,116 km (0.086 R)
• M9: 10,653,762 km (0.111 R)
• M10: 12,358,729 km (0.036 R)
• M11: 15,177,302 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.8

Radius: 14.6

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.29 AU - 5.93 AU

Year: 8717 Days

Day: 10.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,639,376 km

• M1: 181,761 km (0.057 R)
• M2: 1,006,195 km (0.077 R)
• M3: 1,516,174 km (0.053 R)
• M4: 1,993,242 km (0.105 R)
• M5: 2,462,231 km (0.062 R)
• M6: 4,503,494 km (0.088 R)
• M7: 5,513,280 km (0.096 R)
• M8: 5,970,900 km (0.031 R)
• M9: 6,525,160 km (0.104 R)
• M10: 7,151,825 km (0.101 R)
• M11: 7,858,675 km (0.088 R)
• M12: 8,355,639 km (0.104 R)
• M13: 10,458,836 km (0.107 R)
• M14: 11,371,233 km (0.047 R)
• M15: 12,446,393 km (0.071 R)
• M16: 14,924,033 km (0.055 R)
• M17: 19,986,276 km (0.115 R)
• M18: 30,926,667 km (0.038 R)
• M19: 32,065,256 km (0.102 R)
• M20: 33,771,121 km (0.057 R)
• M21: 34,978,376 km (0.109 R)
• M22: 37,015,899 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.4

Radius: 5.7

Gravity: 17.96 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.61 AU - 7.83 AU

Year: 14071 Days

Day: 21.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 34,639,376 km

• M1: 71,358 km (0.114 R)
• M2: 304,282 km (0.089 R)
• M3: 486,941 km (0.1 R)
• M4: 878,439 km (0.119 R)
• M5: 1,460,674 km (0.09 R)
• M6: 1,687,614 km (0.104 R)
• M7: 2,045,152 km (0.118 R)
• M8: 3,051,797 km (0.097 R)
• M9: 3,451,073 km (0.107 R)
• M10: 4,322,780 km (0.085 R)
• M11: 4,538,500 km (0.075 R)
• M12: 4,793,714 km (0.109 R)
• M13: 6,216,540 km (0.073 R)
• M14: 6,611,927 km (0.094 R)
• M15: 6,982,181 km (0.081 R)
• M16: 10,185,521 km (0.116 R)
• M17: 10,735,143 km (0.116 R)
• M18: 12,256,404 km (0.097 R)
• M19: 12,689,340 km (0.111 R)
• M20: 13,717,227 km (0.037 R)
• M21: 14,251,441 km (0.091 R)
• M22: 15,719,744 km (0.054 R)
• M23: 20,037,737 km (0.116 R)
• M24: 20,725,139 km (0.053 R)
• M25: 21,428,249 km (0.027 R)
• M26: 21,875,697 km (0.086 R)
• M27: 24,692,026 km (0.101 R)
• M28: 28,165,539 km (0.081 R)
• M29: 29,465,395 km (0.113 R)
• M30: 31,719,685 km (0.116 R)
• M31: 33,126,204 km (0.065 R)
• M32: 39,168,313 km (0.093 R)
• M33: 42,307,475 km (0.111 R)
• M34: 46,948,001 km (0.108 R)
• M35: 48,006,555 km (0.119 R)
• M36: 48,772,197 km (0.061 R)
• M37: 50,801,193 km (0.085 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.8

Radius: 5.8

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 8.56 AU - 11.36 AU

Year: 20620 Days

Day: 18.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,639,376 km

• M1: 82,578 km (0.061 R)
• M2: 312,959 km (0.108 R)
• M3: 1,430,754 km (0.083 R)
• M4: 2,385,488 km (0.113 R)
• M5: 3,097,723 km (0.071 R)
• M6: 3,683,997 km (0.069 R)
• M7: 4,393,091 km (0.116 R)
• M8: 9,091,362 km (0.081 R)
• M9: 10,055,370 km (0.116 R)
• M10: 12,601,676 km (0.1 R)
• M11: 16,100,471 km (0.068 R)
• M12: 20,487,129 km (0.04 R)
• M13: 32,407,836 km (0.03 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 12,974 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit