🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.5

Radius: 13.8

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.46 AU - 0.66 AU

Year: 284 Days

Day: 11.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 77,894,751 km

• M1: 171,888 km (0.095 R)
• M2: 813,364 km (0.094 R)
• M3: 1,355,806 km (0.098 R)
• M4: 1,904,082 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.8

Radius: 10.1

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.02 AU - 1.16 AU

Year: 772 Days

Day: 6.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,894,751 km

• M1: 125,662 km (0.091 R)
• M2: 441,015 km (0.035 R)
• M3: 895,792 km (0.113 R)
• M4: 1,241,214 km (0.06 R)
• M5: 1,656,647 km (0.078 R)
• M6: 1,989,352 km (0.094 R)
• M7: 2,446,524 km (0.116 R)
• M8: 2,962,786 km (0.064 R)
• M9: 3,280,083 km (0.119 R)
• M10: 3,971,375 km (0.084 R)
• M11: 4,899,929 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918

Radius: 14.9

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.06 AU - 1.22 AU

Year: 826 Days

Day: 9 Hours

Environment

Temp: -178 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,894,751 km

• M1: 185,352 km (0.055 R)
• M2: 675,434 km (0.074 R)
• M3: 1,155,045 km (0.091 R)
• M4: 1,674,449 km (0.043 R)
• M5: 2,215,395 km (0.111 R)
• M6: 3,025,467 km (0.071 R)
• M7: 5,108,019 km (0.087 R)
• M8: 6,034,928 km (0.113 R)
• M9: 6,887,037 km (0.087 R)
• M10: 7,474,658 km (0.091 R)
• M11: 8,146,651 km (0.09 R)
• M12: 9,216,426 km (0.078 R)
• M13: 10,019,617 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.1

Radius: 12.5

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.09 AU - 3.73 AU

Year: 4271 Days

Day: 11.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,894,751 km

• M1: 156,031 km (0.114 R)
• M2: 626,815 km (0.074 R)
• M3: 1,152,951 km (0.053 R)
• M4: 1,682,826 km (0.078 R)
• M5: 2,216,442 km (0.095 R)
• M6: 2,711,312 km (0.064 R)
• M7: 3,296,688 km (0.098 R)
• M8: 3,720,499 km (0.092 R)
• M9: 5,721,071 km (0.091 R)
• M10: 7,343,610 km (0.094 R)
• M11: 8,389,449 km (0.056 R)
• M12: 11,083,856 km (0.119 R)
• M13: 11,838,577 km (0.083 R)
• M14: 12,500,548 km (0.073 R)
• M15: 13,539,654 km (0.1 R)
• M16: 16,745,387 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.4

Radius: 12.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.73 AU - 4.51 AU

Year: 4671 Days

Day: 9.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,894,751 km

• M1: 233,223 km (0.112 R)
• M2: 717,322 km (0.04 R)
• M3: 1,433,297 km (0.088 R)
• M4: 2,144,037 km (0.117 R)
• M5: 4,290,916 km (0.051 R)
• M6: 4,743,300 km (0.107 R)
• M7: 5,586,134 km (0.095 R)
• M8: 7,569,054 km (0.041 R)
• M9: 8,335,294 km (0.112 R)
• M10: 11,580,371 km (0.118 R)
• M11: 12,689,639 km (0.089 R)
• M12: 13,723,211 km (0.092 R)
• M13: 15,534,392 km (0.038 R)
• M14: 20,624,909 km (0.096 R)
• M15: 22,520,314 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.6

Radius: 14.1

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.53 AU - 3.77 AU

Year: 4730 Days

Day: 6.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,894,751 km

• M1: 176,974 km (0.109 R)
• M2: 713,133 km (0.103 R)
• M3: 1,159,383 km (0.095 R)
• M4: 1,725,462 km (0.079 R)
• M5: 3,232,361 km (0.096 R)
• M6: 3,731,719 km (0.084 R)
• M7: 4,967,248 km (0.032 R)
• M8: 6,621,351 km (0.101 R)
• M9: 8,774,813 km (0.099 R)
• M10: 9,628,717 km (0.09 R)
• M11: 12,676,624 km (0.066 R)
• M12: 15,378,063 km (0.08 R)
• M13: 18,968,561 km (0.102 R)
• M14: 21,603,429 km (0.114 R)
• M15: 26,082,389 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.9

Radius: 11.4

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.89 AU - 5.61 AU

Year: 8159 Days

Day: 5 Hours

Environment

Temp: -215 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,894,751 km

• M1: 141,819 km (0.083 R)
• M2: 796,010 km (0.088 R)
• M3: 1,255,276 km (0.074 R)
• M4: 2,115,314 km (0.026 R)
• M5: 3,289,807 km (0.118 R)
• M6: 4,347,314 km (0.111 R)
• M7: 9,264,147 km (0.102 R)
• M8: 10,766,559 km (0.061 R)
• M9: 13,510,333 km (0.111 R)
• M10: 19,185,179 km (0.097 R)
• M11: 21,156,280 km (0.074 R)
• M12: 32,866,054 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.2

Radius: 13.4

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.65 AU - 6.31 AU

Year: 8701 Days

Day: 7.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 77,894,751 km

• M1: 166,652 km (0.072 R)
• M2: 822,190 km (0.098 R)
• M3: 1,711,848 km (0.077 R)
• M4: 2,169,917 km (0.101 R)
• M5: 2,656,110 km (0.049 R)
• M6: 3,277,540 km (0.104 R)
• M7: 3,829,257 km (0.105 R)
• M8: 4,869,111 km (0.082 R)
• M9: 5,381,634 km (0.098 R)
• M10: 6,583,204 km (0.086 R)
• M11: 7,652,679 km (0.082 R)
• M12: 8,427,746 km (0.079 R)
• M13: 10,134,957 km (0.093 R)
• M14: 10,689,516 km (0.088 R)
• M15: 12,062,675 km (0.107 R)
• M16: 13,113,151 km (0.118 R)
• M17: 15,156,957 km (0.106 R)
• M18: 16,317,388 km (0.09 R)
• M19: 17,405,114 km (0.093 R)
• M20: 18,336,660 km (0.083 R)
• M21: 20,444,793 km (0.109 R)
• M22: 21,937,032 km (0.095 R)
• M23: 26,849,527 km (0.107 R)
• M24: 27,377,757 km (0.085 R)
• M25: 29,560,988 km (0.056 R)
• M26: 31,956,200 km (0.06 R)
• M27: 34,065,829 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.4

Radius: 6.7

Gravity: 12.73 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 9.77 AU - 10.99 AU

Year: 22682 Days

Day: 21 Hours

Environment

Temp: -246 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,894,751 km

• M1: 88,263 km (0.103 R)
• M2: 306,077 km (0.092 R)
• M3: 1,106,127 km (0.077 R)
• M4: 1,942,080 km (0.119 R)
• M5: 3,087,999 km (0.039 R)
• M6: 3,898,221 km (0.057 R)
• M7: 4,915,337 km (0.053 R)
• M8: 5,848,230 km (0.079 R)
• M9: 7,461,343 km (0.09 R)
• M10: 7,756,350 km (0.118 R)
• M11: 8,317,642 km (0.098 R)
• M12: 9,520,857 km (0.111 R)
• M13: 10,045,048 km (0.106 R)
• M14: 11,087,446 km (0.1 R)
• M15: 16,890,647 km (0.08 R)
• M16: 27,932,914 km (0.08 R)
• M17: 29,369,054 km (0.041 R)
• M18: 32,778,838 km (0.104 R)
• M19: 36,443,687 km (0.104 R)
• M20: 43,934,800 km (0.098 R)
• M21: 44,735,897 km (0.113 R)
• M22: 45,221,192 km (0.057 R)
• M23: 47,030,878 km (0.104 R)
• M24: 49,575,687 km (0.089 R)
• M25: 57,377,067 km (0.051 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 153 - 12,829 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit