🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.2

Radius: 8.2

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.54 AU - 0.84 AU

Year: 382 Days

Day: 8.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,696,798 km

• M1: 118,332 km (0.068 R)
• M2: 400,174 km (0.048 R)
• M3: 713,582 km (0.076 R)
• M4: 1,067,979 km (0.077 R)
• M5: 1,328,878 km (0.044 R)
• M6: 1,669,512 km (0.059 R)
• M7: 2,645,938 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.2

Radius: 12.5

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.65 AU - 0.75 AU

Year: 391 Days

Day: 7.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,696,798 km

• M1: 155,432 km (0.092 R)
• M2: 630,854 km (0.105 R)
• M3: 1,065,885 km (0.054 R)
• M4: 1,671,906 km (0.098 R)
• M5: 2,708,021 km (0.069 R)
• M6: 5,105,327 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.6

Radius: 13.2

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.81 AU - 1.21 AU

Year: 677 Days

Day: 14.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,696,798 km

• M1: 164,258 km (0.084 R)
• M2: 631,303 km (0.082 R)
• M3: 1,048,531 km (0.105 R)
• M4: 1,495,680 km (0.105 R)
• M5: 2,157,800 km (0.03 R)
• M6: 2,998,689 km (0.115 R)
• M7: 3,594,238 km (0.096 R)
• M8: 4,366,762 km (0.029 R)
• M9: 4,915,636 km (0.104 R)
• M10: 5,361,288 km (0.051 R)

Asteroid Belt

Center: 1.43 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.7

Radius: 11.3

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.56 AU - 2.12 AU

Year: 1664 Days

Day: 10.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,696,798 km

• M1: 140,622 km (0.042 R)
• M2: 892,052 km (0.109 R)
• M3: 2,234,394 km (0.087 R)
• M4: 2,592,082 km (0.099 R)
• M5: 3,189,427 km (0.109 R)
• M6: 3,580,176 km (0.097 R)
• M7: 3,960,454 km (0.113 R)
• M8: 4,413,137 km (0.097 R)
• M9: 5,528,539 km (0.119 R)
• M10: 6,228,807 km (0.099 R)
• M11: 6,721,133 km (0.1 R)
• M12: 7,154,668 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.1

Radius: 12.9

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.65 AU - 2.55 AU

Year: 2029 Days

Day: 14.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,696,798 km

• M1: 160,519 km (0.111 R)
• M2: 583,432 km (0.101 R)
• M3: 1,291,927 km (0.105 R)
• M4: 2,240,976 km (0.072 R)
• M5: 2,692,762 km (0.117 R)
• M6: 3,611,592 km (0.08 R)
• M7: 4,295,104 km (0.055 R)
• M8: 4,894,394 km (0.043 R)
• M9: 7,985,235 km (0.046 R)
• M10: 8,431,336 km (0.099 R)
• M11: 9,309,027 km (0.096 R)
• M12: 10,108,927 km (0.11 R)
• M13: 10,774,338 km (0.076 R)
• M14: 11,656,367 km (0.093 R)
• M15: 12,388,200 km (0.081 R)
• M16: 12,825,773 km (0.114 R)
• M17: 14,636,656 km (0.065 R)
• M18: 15,171,169 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736

Radius: 9.1

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.61 AU - 4.79 AU

Year: 6795 Days

Day: 7.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,696,798 km

• M1: 114,442 km (0.103 R)
• M2: 483,949 km (0.11 R)
• M3: 841,338 km (0.098 R)
• M4: 1,155,195 km (0.092 R)
• M5: 1,448,107 km (0.077 R)
• M6: 1,998,478 km (0.083 R)
• M7: 2,480,333 km (0.069 R)
• M8: 3,205,733 km (0.119 R)
• M9: 3,514,802 km (0.066 R)
• M10: 3,966,139 km (0.088 R)
• M11: 4,563,932 km (0.067 R)
• M12: 6,103,444 km (0.053 R)
• M13: 7,342,862 km (0.095 R)
• M14: 9,393,699 km (0.086 R)
• M15: 10,359,353 km (0.099 R)
• M16: 10,989,460 km (0.108 R)
• M17: 12,219,603 km (0.092 R)
• M18: 12,978,363 km (0.063 R)
• M19: 13,313,014 km (0.084 R)
• M20: 14,589,532 km (0.099 R)
• M21: 18,483,565 km (0.102 R)
• M22: 20,367,451 km (0.111 R)
• M23: 21,979,966 km (0.055 R)
• M24: 24,175,913 km (0.105 R)
• M25: 25,894,045 km (0.078 R)
• M26: 27,600,209 km (0.119 R)
• M27: 30,641,234 km (0.111 R)
• M28: 31,836,970 km (0.094 R)
• M29: 34,747,546 km (0.096 R)
• M30: 35,393,510 km (0.098 R)
• M31: 37,379,721 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.3

Radius: 15

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.37 AU - 6.27 AU

Year: 8183 Days

Day: 8.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,696,798 km

• M1: 186,549 km (0.112 R)
• M2: 731,234 km (0.046 R)
• M3: 1,332,019 km (0.066 R)
• M4: 2,010,296 km (0.099 R)
• M5: 3,164,444 km (0.099 R)
• M6: 3,867,105 km (0.03 R)
• M7: 5,102,035 km (0.084 R)
• M8: 6,261,868 km (0.077 R)
• M9: 6,921,744 km (0.089 R)
• M10: 7,591,194 km (0.086 R)
• M11: 9,225,551 km (0.054 R)
• M12: 10,712,255 km (0.071 R)
• M13: 11,658,611 km (0.069 R)
• M14: 12,202,399 km (0.091 R)
• M15: 12,971,332 km (0.108 R)
• M16: 15,238,937 km (0.098 R)
• M17: 18,748,204 km (0.086 R)
• M18: 22,384,329 km (0.051 R)
• M19: 28,638,867 km (0.076 R)
• M20: 29,905,811 km (0.077 R)
• M21: 30,460,221 km (0.083 R)
• M22: 31,399,396 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.7

Radius: 3

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.57 AU - 7.35 AU

Year: 9703 Days

Day: 22.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 57,696,798 km

• M1: 37,399 km (0.107 R)
• M2: 1,266,196 km (0.088 R)
• M3: 3,622,662 km (0.116 R)
• M4: 5,853,017 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.6

Radius: 5.4

Gravity: 16.14 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.95 AU - 7.35 AU

Year: 10170 Days

Day: 21.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 57,696,798 km

• M1: 67,768 km (0.119 R)
• M2: 341,981 km (0.117 R)
• M3: 628,461 km (0.103 R)
• M4: 870,959 km (0.101 R)
• M5: 1,339,499 km (0.081 R)
• M6: 1,882,540 km (0.066 R)
• M7: 2,178,145 km (0.06 R)
• M8: 2,542,416 km (0.104 R)
• M9: 3,186,285 km (0.095 R)
• M10: 3,462,592 km (0.099 R)
• M11: 3,907,197 km (0.109 R)
• M12: 5,699,080 km (0.044 R)
• M13: 6,072,178 km (0.077 R)
• M14: 6,754,643 km (0.069 R)
• M15: 7,018,683 km (0.099 R)
• M16: 8,059,735 km (0.088 R)
• M17: 8,443,005 km (0.097 R)
• M18: 8,661,118 km (0.027 R)
• M19: 9,154,193 km (0.065 R)
• M20: 10,594,072 km (0.1 R)
• M21: 11,367,793 km (0.069 R)
• M22: 13,614,453 km (0.079 R)
• M23: 14,342,247 km (0.074 R)
• M24: 14,904,885 km (0.099 R)
• M25: 15,223,678 km (0.113 R)
• M26: 15,547,108 km (0.074 R)
• M27: 15,809,054 km (0.118 R)
• M28: 19,869,739 km (0.091 R)
• M29: 20,726,187 km (0.086 R)
• M30: 22,097,550 km (0.088 R)
• M31: 25,109,554 km (0.101 R)
• M32: 25,834,505 km (0.065 R)
• M33: 28,287,013 km (0.057 R)
• M34: 28,677,613 km (0.049 R)
• M35: 31,200,581 km (0.059 R)
• M36: 31,827,396 km (0.049 R)
• M37: 37,733,669 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 760.2

Radius: 6

Gravity: 21.12 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.43 AU - 7.71 AU

Year: 12536 Days

Day: 17.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,696,798 km

• M1: 74,649 km (0.094 R)
• M2: 730,935 km (0.108 R)
• M3: 932,444 km (0.06 R)
• M4: 1,980,526 km (0.048 R)
• M5: 4,104,367 km (0.114 R)
• M6: 4,405,059 km (0.074 R)
• M7: 4,687,948 km (0.071 R)
• M8: 5,221,115 km (0.116 R)
• M9: 7,148,534 km (0.081 R)
• M10: 8,037,295 km (0.049 R)
• M11: 9,872,263 km (0.12 R)
• M12: 10,357,558 km (0.099 R)
• M13: 11,610,740 km (0.037 R)
• M14: 12,335,242 km (0.09 R)
• M15: 14,007,896 km (0.03 R)
• M16: 14,689,613 km (0.059 R)
• M17: 20,872,942 km (0.088 R)
• M18: 22,768,198 km (0.11 R)
• M19: 25,369,405 km (0.065 R)
• M20: 26,586,534 km (0.046 R)
• M21: 27,000,770 km (0.105 R)
• M22: 32,430,425 km (0.105 R)
• M23: 42,785,141 km (0.096 R)
• M24: 49,322,568 km (0.036 R)
• M25: 57,008,158 km (0.066 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 12,521 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit