🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.4

Radius: 10.9

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.89 AU - 1.37 AU

Year: 788 Days

Day: 7.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,919,761 km

• M1: 137,181 km (0.11 R)
• M2: 493,972 km (0.104 R)
• M3: 1,014,274 km (0.075 R)
• M4: 1,446,163 km (0.119 R)
• M5: 1,840,353 km (0.093 R)
• M6: 2,180,539 km (0.118 R)
• M7: 2,574,579 km (0.091 R)
• M8: 2,952,015 km (0.114 R)
• M9: 3,422,799 km (0.078 R)
• M10: 4,165,852 km (0.093 R)
• M11: 4,533,115 km (0.112 R)
• M12: 5,294,717 km (0.115 R)
• M13: 5,869,024 km (0.109 R)
• M14: 7,403,000 km (0.107 R)
• M15: 8,250,472 km (0.054 R)
• M16: 9,023,145 km (0.109 R)
• M17: 9,583,688 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.3

Radius: 8.3

Gravity: 11.11 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.5 AU - 1.86 AU

Year: 1428 Days

Day: 15 Hours

Environment

Temp: -179 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,919,761 km

• M1: 103,223 km (0.103 R)
• M2: 396,135 km (0.093 R)
• M3: 748,438 km (0.064 R)
• M4: 1,026,092 km (0.065 R)
• M5: 1,512,584 km (0.071 R)
• M6: 1,881,941 km (0.074 R)
• M7: 2,409,124 km (0.071 R)
• M8: 3,317,782 km (0.1 R)
• M9: 4,438,569 km (0.094 R)
• M10: 5,179,677 km (0.119 R)
• M11: 5,568,930 km (0.06 R)
• M12: 7,139,409 km (0.088 R)
• M13: 8,126,306 km (0.094 R)
• M14: 8,474,570 km (0.074 R)
• M15: 9,201,316 km (0.094 R)
• M16: 9,903,379 km (0.103 R)
• M17: 10,469,906 km (0.09 R)
• M18: 12,954,278 km (0.083 R)
• M19: 13,430,149 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.6

Radius: 10.5

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.95 AU - 2.03 AU

Year: 1842 Days

Day: 6.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,919,761 km

• M1: 130,599 km (0.099 R)
• M2: 514,617 km (0.032 R)
• M3: 909,555 km (0.069 R)
• M4: 1,571,675 km (0.04 R)
• M5: 2,552,738 km (0.113 R)
• M6: 3,532,903 km (0.115 R)
• M7: 5,178,779 km (0.051 R)
• M8: 6,465,770 km (0.094 R)
• M9: 7,217,499 km (0.099 R)
• M10: 7,931,081 km (0.031 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.8

Radius: 8.6

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.1 AU - 2.52 AU

Year: 2303 Days

Day: 14.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,919,761 km

• M1: 106,962 km (0.109 R)
• M2: 397,033 km (0.101 R)
• M3: 757,863 km (0.108 R)
• M4: 1,398,291 km (0.112 R)
• M5: 1,781,411 km (0.098 R)
• M6: 2,562,911 km (0.104 R)
• M7: 2,939,449 km (0.069 R)
• M8: 3,696,264 km (0.035 R)
• M9: 4,936,131 km (0.103 R)
• M10: 5,928,414 km (0.102 R)
• M11: 7,271,205 km (0.116 R)
• M12: 8,149,942 km (0.107 R)
• M13: 8,551,912 km (0.104 R)
• M14: 10,911,818 km (0.118 R)
• M15: 11,982,640 km (0.103 R)
• M16: 14,600,603 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.1

Radius: 9.9

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.67 AU - 4.85 AU

Year: 6813 Days

Day: 14.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,919,761 km

• M1: 123,269 km (0.099 R)
• M2: 499,806 km (0.099 R)
• M3: 911,500 km (0.103 R)
• M4: 1,388,717 km (0.077 R)
• M5: 2,090,331 km (0.114 R)
• M6: 2,622,600 km (0.103 R)
• M7: 2,992,107 km (0.118 R)
• M8: 3,983,791 km (0.053 R)
• M9: 5,639,690 km (0.109 R)
• M10: 6,225,665 km (0.066 R)
• M11: 7,404,945 km (0.05 R)
• M12: 9,422,272 km (0.1 R)
• M13: 9,874,955 km (0.102 R)
• M14: 11,021,174 km (0.088 R)
• M15: 11,371,682 km (0.045 R)
• M16: 12,793,610 km (0.054 R)
• M17: 13,125,119 km (0.084 R)
• M18: 14,808,992 km (0.111 R)
• M19: 18,042,700 km (0.097 R)
• M20: 18,954,948 km (0.047 R)
• M21: 19,386,238 km (0.042 R)
• M22: 22,112,660 km (0.109 R)
• M23: 24,487,227 km (0.114 R)
• M24: 24,827,562 km (0.054 R)
• M25: 26,487,500 km (0.057 R)
• M26: 26,936,443 km (0.114 R)
• M27: 27,757,137 km (0.052 R)
• M28: 28,972,021 km (0.09 R)
• M29: 30,221,911 km (0.104 R)
• M30: 32,112,978 km (0.071 R)
• M31: 35,582,751 km (0.119 R)
• M32: 37,689,837 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.2

Radius: 9.4

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.55 AU - 6.23 AU

Year: 8209 Days

Day: 8.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,919,761 km

• M1: 117,285 km (0.11 R)
• M2: 498,311 km (0.073 R)
• M3: 817,552 km (0.105 R)
• M4: 2,212,553 km (0.072 R)
• M5: 3,269,162 km (0.038 R)
• M6: 5,999,772 km (0.05 R)
• M7: 6,973,954 km (0.115 R)
• M8: 7,679,756 km (0.048 R)
• M9: 8,927,103 km (0.107 R)
• M10: 11,377,666 km (0.115 R)
• M11: 12,523,436 km (0.076 R)
• M12: 13,387,663 km (0.114 R)
• M13: 13,744,304 km (0.05 R)
• M14: 14,061,601 km (0.111 R)
• M15: 15,771,206 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.5

Radius: 6.9

Gravity: 19.15 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 6.23 AU - 10.31 AU

Year: 15602 Days

Day: 21.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,919,761 km

• M1: 95,743 km (0.11 R)
• M2: 780,003 km (0.102 R)
• M3: 1,511,238 km (0.108 R)
• M4: 2,725,075 km (0.109 R)
• M5: 4,034,355 km (0.066 R)
• M6: 4,896,638 km (0.119 R)
• M7: 5,148,560 km (0.05 R)
• M8: 5,447,008 km (0.117 R)
• M9: 6,802,215 km (0.111 R)
• M10: 7,581,770 km (0.096 R)
• M11: 8,368,505 km (0.049 R)
• M12: 9,704,863 km (0.035 R)
• M13: 10,394,359 km (0.119 R)
• M14: 10,871,876 km (0.102 R)
• M15: 11,678,956 km (0.115 R)
• M16: 12,997,661 km (0.116 R)
• M17: 15,385,991 km (0.04 R)
• M18: 23,153,711 km (0.069 R)
• M19: 23,864,900 km (0.053 R)
• M20: 28,326,506 km (0.088 R)
• M21: 31,303,055 km (0.038 R)
• M22: 31,549,892 km (0.115 R)
• M23: 35,009,642 km (0.084 R)
• M24: 44,358,910 km (0.107 R)
• M25: 45,771,713 km (0.114 R)
• M26: 49,184,638 km (0.115 R)
• M27: 51,038,306 km (0.061 R)
• M28: 54,527,077 km (0.111 R)
• M29: 61,009,004 km (0.109 R)
• M30: 67,163,161 km (0.114 R)
• M31: 68,192,993 km (0.072 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 14,712 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit