🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.8

Radius: 12.7

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.67 AU - 1.09 AU

Year: 580 Days

Day: 5.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,269,606 km

• M1: 159,621 km (0.111 R)
• M2: 653,294 km (0.063 R)
• M3: 1,122,433 km (0.12 R)
• M4: 1,706,613 km (0.078 R)
• M5: 2,457,893 km (0.109 R)
• M6: 3,005,571 km (0.067 R)
• M7: 3,459,002 km (0.077 R)
• M8: 4,180,363 km (0.119 R)
• M9: 5,242,508 km (0.119 R)
• M10: 6,117,207 km (0.072 R)
• M11: 6,683,135 km (0.109 R)
• M12: 7,130,283 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.8

Radius: 10.3

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.01 AU - 1.51 AU

Year: 994 Days

Day: 6.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,269,606 km

• M1: 128,056 km (0.055 R)
• M2: 525,089 km (0.037 R)
• M3: 895,044 km (0.1 R)
• M4: 1,475,933 km (0.094 R)
• M5: 2,294,083 km (0.057 R)
• M6: 2,642,796 km (0.114 R)
• M7: 3,026,963 km (0.051 R)
• M8: 3,404,698 km (0.11 R)
• M9: 4,154,632 km (0.102 R)
• M10: 4,515,761 km (0.092 R)
• M11: 5,087,375 km (0.113 R)
• M12: 6,023,857 km (0.071 R)
• M13: 6,740,431 km (0.077 R)
• M14: 7,192,217 km (0.067 R)
• M15: 7,972,819 km (0.087 R)
• M16: 8,560,140 km (0.073 R)
• M17: 9,583,539 km (0.086 R)
• M18: 10,002,862 km (0.095 R)
• M19: 10,718,239 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.6

Radius: 14

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.39 AU - 1.75 AU

Year: 1383 Days

Day: 9 Hours

Environment

Temp: -203 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,269,606 km

• M1: 174,431 km (0.078 R)
• M2: 761,752 km (0.101 R)
• M3: 1,324,988 km (0.116 R)
• M4: 1,874,761 km (0.081 R)
• M5: 2,314,429 km (0.106 R)
• M6: 3,150,382 km (0.097 R)
• M7: 3,598,128 km (0.044 R)
• M8: 4,977,720 km (0.093 R)
• M9: 6,150,567 km (0.058 R)
• M10: 7,162,297 km (0.03 R)
• M11: 7,638,617 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.5

Radius: 12.8

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.36 AU - 2.06 AU

Year: 1572 Days

Day: 11.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,269,606 km

• M1: 160,369 km (0.098 R)
• M2: 626,665 km (0.078 R)
• M3: 2,078,214 km (0.052 R)
• M4: 3,367,448 km (0.091 R)
• M5: 4,725,049 km (0.092 R)
• M6: 6,462,778 km (0.104 R)
• M7: 7,335,532 km (0.055 R)
• M8: 9,070,268 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.8

Radius: 12.4

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.54 AU - 3.48 AU

Year: 3671 Days

Day: 12.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,269,606 km

• M1: 154,684 km (0.115 R)
• M2: 840,291 km (0.027 R)
• M3: 2,368,583 km (0.115 R)
• M4: 3,285,319 km (0.104 R)
• M5: 3,793,802 km (0.098 R)
• M6: 4,767,086 km (0.108 R)
• M7: 7,854,487 km (0.037 R)
• M8: 8,284,880 km (0.114 R)
• M9: 9,075,953 km (0.103 R)
• M10: 11,073,534 km (0.114 R)
• M11: 12,607,061 km (0.041 R)
• M12: 15,304,161 km (0.115 R)
• M13: 16,670,289 km (0.116 R)
• M14: 17,625,172 km (0.097 R)
• M15: 18,240,319 km (0.056 R)
• M16: 20,105,355 km (0.091 R)
• M17: 22,737,680 km (0.099 R)
• M18: 27,431,014 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.1

Radius: 12.2

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.7 AU - 3.8 AU

Year: 4118 Days

Day: 5.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,269,606 km

• M1: 158,723 km (0.033 R)
• M2: 1,158,935 km (0.116 R)
• M3: 1,767,200 km (0.072 R)
• M4: 2,217,639 km (0.101 R)
• M5: 3,471,568 km (0.1 R)
• M6: 7,452,218 km (0.091 R)
• M7: 8,067,813 km (0.054 R)
• M8: 9,054,710 km (0.098 R)
• M9: 10,409,917 km (0.113 R)
• M10: 12,312,354 km (0.116 R)
• M11: 12,882,321 km (0.065 R)
• M12: 13,820,599 km (0.047 R)
• M13: 16,507,826 km (0.071 R)
• M14: 22,191,797 km (0.101 R)
• M15: 22,894,458 km (0.076 R)
• M16: 24,492,313 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.1

Radius: 8.1

Gravity: 12.36 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.77 AU - 4.19 AU

Year: 4563 Days

Day: 6.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,269,606 km

• M1: 101,427 km (0.092 R)
• M2: 424,110 km (0.099 R)
• M3: 1,054,964 km (0.092 R)
• M4: 1,352,365 km (0.112 R)
• M5: 2,583,555 km (0.1 R)
• M6: 3,539,486 km (0.082 R)
• M7: 3,800,534 km (0.077 R)
• M8: 4,121,421 km (0.106 R)
• M9: 4,585,773 km (0.034 R)
• M10: 5,084,682 km (0.113 R)
• M11: 7,309,502 km (0.102 R)
• M12: 9,437,082 km (0.059 R)
• M13: 10,157,097 km (0.036 R)
• M14: 10,552,933 km (0.112 R)
• M15: 10,913,314 km (0.109 R)
• M16: 12,738,558 km (0.095 R)
• M17: 15,669,629 km (0.111 R)
• M18: 17,919,431 km (0.077 R)
• M19: 19,691,269 km (0.12 R)
• M20: 20,724,541 km (0.089 R)
• M21: 23,427,326 km (0.07 R)
• M22: 26,853,416 km (0.039 R)
• M23: 28,209,222 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.5

Radius: 5.3

Gravity: 21.27 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.2 AU - 7.74 AU

Year: 14351 Days

Day: 16.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 58,269,606 km

• M1: 65,973 km (0.112 R)
• M2: 428,448 km (0.102 R)
• M3: 644,318 km (0.102 R)
• M4: 880,683 km (0.08 R)
• M5: 1,198,877 km (0.1 R)
• M6: 1,749,996 km (0.105 R)
• M7: 2,138,651 km (0.113 R)
• M8: 3,234,456 km (0.11 R)
• M9: 3,465,584 km (0.096 R)
• M10: 4,534,012 km (0.12 R)
• M11: 5,091,863 km (0.059 R)
• M12: 5,440,725 km (0.084 R)
• M13: 5,880,244 km (0.046 R)
• M14: 6,070,233 km (0.109 R)
• M15: 6,997,740 km (0.053 R)
• M16: 8,016,052 km (0.046 R)
• M17: 9,281,949 km (0.09 R)
• M18: 10,731,702 km (0.116 R)
• M19: 12,890,998 km (0.115 R)
• M20: 13,737,124 km (0.084 R)
• M21: 15,467,223 km (0.114 R)
• M22: 15,829,848 km (0.104 R)
• M23: 16,421,807 km (0.08 R)
• M24: 17,649,856 km (0.094 R)
• M25: 21,609,861 km (0.109 R)
• M26: 21,880,933 km (0.105 R)
• M27: 23,939,399 km (0.049 R)
• M28: 28,653,827 km (0.066 R)
• M29: 29,200,756 km (0.111 R)
• M30: 31,227,359 km (0.102 R)
• M31: 36,700,696 km (0.079 R)
• M32: 40,137,109 km (0.107 R)
• M33: 40,959,598 km (0.057 R)
• M34: 43,926,572 km (0.117 R)
• M35: 51,721,968 km (0.1 R)
• M36: 54,345,166 km (0.074 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 10,660 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit