🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.3

Radius: 13.1

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.18 AU - 1.22 AU

Year: 892 Days

Day: 14.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,494,631 km

• M1: 162,912 km (0.064 R)
• M2: 572,810 km (0.112 R)
• M3: 1,248,245 km (0.079 R)
• M4: 1,738,178 km (0.116 R)
• M5: 2,247,708 km (0.115 R)
• M6: 2,658,354 km (0.083 R)
• M7: 3,079,023 km (0.112 R)
• M8: 3,928,590 km (0.115 R)
• M9: 4,391,894 km (0.085 R)
• M10: 4,818,099 km (0.068 R)
• M11: 5,569,978 km (0.085 R)
• M12: 6,376,609 km (0.112 R)
• M13: 6,972,458 km (0.071 R)
• M14: 9,326,679 km (0.058 R)
• M15: 9,944,668 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.9

Radius: 10.5

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.6 AU - 1.68 AU

Year: 1424 Days

Day: 8.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,494,631 km

• M1: 140,472 km (0.12 R)
• M2: 707,598 km (0.099 R)
• M3: 1,038,209 km (0.072 R)
• M4: 1,395,000 km (0.037 R)
• M5: 1,730,399 km (0.099 R)
• M6: 2,120,400 km (0.119 R)
• M7: 3,295,192 km (0.115 R)
• M8: 3,802,927 km (0.118 R)
• M9: 5,093,209 km (0.113 R)
• M10: 6,305,849 km (0.118 R)
• M11: 6,894,816 km (0.119 R)
• M12: 7,939,608 km (0.064 R)
• M13: 8,768,679 km (0.103 R)
• M14: 9,532,975 km (0.109 R)
• M15: 10,663,935 km (0.047 R)
• M16: 11,194,409 km (0.088 R)
• M17: 11,638,266 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.7

Radius: 14.1

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.86 AU - 1.92 AU

Year: 1762 Days

Day: 11.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,494,631 km

• M1: 177,573 km (0.101 R)
• M2: 1,031,627 km (0.118 R)
• M3: 1,882,988 km (0.107 R)
• M4: 2,445,476 km (0.11 R)
• M5: 3,011,854 km (0.115 R)
• M6: 3,613,237 km (0.076 R)
• M7: 5,015,867 km (0.039 R)
• M8: 5,509,989 km (0.118 R)
• M9: 6,755,690 km (0.097 R)
• M10: 8,242,693 km (0.118 R)
• M11: 9,460,569 km (0.035 R)
• M12: 10,077,810 km (0.075 R)
• M13: 14,722,824 km (0.062 R)
• M14: 15,180,294 km (0.088 R)
• M15: 15,789,158 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.4

Radius: 11.5

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.82 AU - 3.04 AU

Year: 3402 Days

Day: 14.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,494,631 km

• M1: 155,432 km (0.12 R)
• M2: 736,321 km (0.075 R)
• M3: 1,137,542 km (0.068 R)
• M4: 1,567,187 km (0.093 R)
• M5: 2,052,782 km (0.113 R)
• M6: 3,712,720 km (0.049 R)
• M7: 4,360,778 km (0.075 R)
• M8: 4,913,392 km (0.083 R)
• M9: 5,992,592 km (0.09 R)
• M10: 6,588,589 km (0.12 R)
• M11: 7,636,822 km (0.095 R)
• M12: 8,235,213 km (0.092 R)
• M13: 9,450,696 km (0.109 R)
• M14: 9,945,865 km (0.083 R)
• M15: 12,823,679 km (0.062 R)
• M16: 13,478,619 km (0.032 R)
• M17: 16,215,960 km (0.089 R)
• M18: 17,600,788 km (0.101 R)
• M19: 18,060,203 km (0.081 R)
• M20: 19,062,957 km (0.084 R)
• M21: 19,854,629 km (0.102 R)
• M22: 21,568,722 km (0.084 R)
• M23: 22,361,291 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.4

Radius: 11.7

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.88 AU - 3.54 AU

Year: 3901 Days

Day: 13 Hours

Environment

Temp: -221 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,494,631 km

• M1: 145,559 km (0.045 R)
• M2: 649,404 km (0.07 R)
• M3: 1,151,305 km (0.112 R)
• M4: 1,543,252 km (0.049 R)
• M5: 2,217,639 km (0.103 R)
• M6: 2,592,232 km (0.106 R)
• M7: 3,337,528 km (0.05 R)
• M8: 4,045,276 km (0.09 R)
• M9: 4,949,146 km (0.091 R)
• M10: 5,383,279 km (0.085 R)
• M11: 6,240,774 km (0.112 R)
• M12: 6,902,895 km (0.064 R)
• M13: 7,348,397 km (0.094 R)
• M14: 8,546,526 km (0.111 R)
• M15: 9,990,295 km (0.086 R)
• M16: 10,602,899 km (0.077 R)
• M17: 12,175,621 km (0.118 R)
• M18: 15,346,946 km (0.113 R)
• M19: 16,052,600 km (0.074 R)
• M20: 18,300,008 km (0.113 R)
• M21: 19,031,841 km (0.053 R)
• M22: 20,101,765 km (0.118 R)
• M23: 23,552,539 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445

Radius: 5.5

Gravity: 14.71 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.84 AU - 6.18 AU

Year: 9993 Days

Day: 16.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,494,631 km

• M1: 68,366 km (0.103 R)
• M2: 247,734 km (0.087 R)
• M3: 446,550 km (0.119 R)
• M4: 771,626 km (0.083 R)
• M5: 1,131,857 km (0.115 R)
• M6: 1,314,516 km (0.073 R)
• M7: 1,859,801 km (0.062 R)
• M8: 2,395,810 km (0.091 R)
• M9: 4,260,547 km (0.075 R)
• M10: 5,123,428 km (0.12 R)
• M11: 8,576,446 km (0.047 R)
• M12: 10,525,856 km (0.083 R)
• M13: 10,725,719 km (0.101 R)
• M14: 10,927,975 km (0.114 R)
• M15: 12,527,924 km (0.117 R)
• M16: 18,833,923 km (0.098 R)
• M17: 19,651,775 km (0.064 R)
• M18: 20,184,493 km (0.06 R)
• M19: 23,245,415 km (0.117 R)
• M20: 23,499,432 km (0.11 R)
• M21: 28,107,196 km (0.11 R)
• M22: 30,368,966 km (0.085 R)
• M23: 30,672,650 km (0.026 R)
• M24: 31,907,580 km (0.088 R)
• M25: 32,116,568 km (0.12 R)
• M26: 32,855,283 km (0.092 R)
• M27: 35,139,493 km (0.109 R)
• M28: 36,719,695 km (0.102 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 17,014 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit