🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419

Radius: 15

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.85 AU - 1.09 AU

Year: 627 Days

Day: 12.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,564,759 km

• M1: 186,549 km (0.091 R)
• M2: 743,202 km (0.11 R)
• M3: 1,257,968 km (0.099 R)
• M4: 1,790,088 km (0.098 R)
• M5: 2,288,099 km (0.088 R)
• M6: 4,055,149 km (0.095 R)
• M7: 4,992,979 km (0.109 R)
• M8: 5,480,219 km (0.12 R)
• M9: 6,143,386 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.7

Radius: 13.3

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.43 AU - 1.47 AU

Year: 1145 Days

Day: 7.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,564,759 km

• M1: 168,896 km (0.096 R)
• M2: 611,406 km (0.105 R)
• M3: 1,061,397 km (0.094 R)
• M4: 1,835,865 km (0.098 R)
• M5: 2,754,097 km (0.101 R)
• M6: 3,749,521 km (0.093 R)
• M7: 4,296,301 km (0.115 R)
• M8: 5,306,236 km (0.116 R)
• M9: 6,129,773 km (0.095 R)
• M10: 6,988,315 km (0.031 R)
• M11: 7,690,228 km (0.079 R)
• M12: 8,689,243 km (0.078 R)
• M13: 9,621,537 km (0.115 R)
• M14: 10,395,406 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.2

Radius: 9.7

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.67 AU - 2.23 AU

Year: 1786 Days

Day: 12.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,564,759 km

• M1: 120,725 km (0.064 R)
• M2: 918,381 km (0.1 R)
• M3: 1,319,004 km (0.078 R)
• M4: 1,963,921 km (0.099 R)
• M5: 2,284,659 km (0.116 R)
• M6: 2,628,285 km (0.111 R)
• M7: 2,979,242 km (0.083 R)
• M8: 3,317,482 km (0.036 R)
• M9: 3,988,130 km (0.037 R)
• M10: 4,364,967 km (0.081 R)
• M11: 5,013,473 km (0.104 R)
• M12: 6,050,037 km (0.113 R)
• M13: 7,026,014 km (0.114 R)
• M14: 9,112,156 km (0.034 R)
• M15: 9,646,819 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.1

Radius: 11.7

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.73 AU - 4.49 AU

Year: 4500 Days

Day: 12.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,564,759 km

• M1: 211,232 km (0.113 R)
• M2: 1,328,130 km (0.105 R)
• M3: 2,099,008 km (0.115 R)
• M4: 4,114,091 km (0.115 R)
• M5: 5,267,939 km (0.045 R)
• M6: 6,405,781 km (0.093 R)
• M7: 7,149,731 km (0.096 R)
• M8: 9,242,605 km (0.104 R)
• M9: 9,607,026 km (0.05 R)
• M10: 9,981,020 km (0.028 R)
• M11: 14,491,845 km (0.084 R)
• M12: 17,618,440 km (0.059 R)
• M13: 17,991,388 km (0.095 R)
• M14: 19,077,319 km (0.114 R)
• M15: 22,306,389 km (0.106 R)
• M16: 22,890,269 km (0.12 R)
• M17: 25,723,803 km (0.06 R)
• M18: 26,446,959 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.5

Radius: 9.1

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.81 AU - 6.01 AU

Year: 8255 Days

Day: 11.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,564,759 km

• M1: 140,472 km (0.1 R)
• M2: 514,317 km (0.105 R)
• M3: 1,759,271 km (0.095 R)
• M4: 3,413,973 km (0.092 R)
• M5: 4,534,461 km (0.101 R)
• M6: 6,154,905 km (0.084 R)
• M7: 7,680,803 km (0.112 R)
• M8: 8,510,174 km (0.094 R)
• M9: 9,959,628 km (0.109 R)
• M10: 10,743,072 km (0.053 R)
• M11: 13,167,006 km (0.034 R)
• M12: 15,933,819 km (0.108 R)
• M13: 16,396,525 km (0.09 R)
• M14: 18,626,730 km (0.094 R)
• M15: 20,894,335 km (0.112 R)
• M16: 23,003,515 km (0.083 R)
• M17: 24,807,516 km (0.065 R)
• M18: 26,982,519 km (0.105 R)
• M19: 40,885,846 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.9

Radius: 7.2

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.24 AU - 8.56 AU

Year: 13206 Days

Day: 20.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 41,564,759 km

• M1: 92,751 km (0.093 R)
• M2: 478,713 km (0.094 R)
• M3: 791,373 km (0.114 R)
• M4: 1,262,456 km (0.111 R)
• M5: 1,701,825 km (0.07 R)
• M6: 2,060,112 km (0.103 R)
• M7: 3,040,726 km (0.119 R)
• M8: 3,698,807 km (0.075 R)
• M9: 4,537,453 km (0.089 R)
• M10: 4,874,647 km (0.072 R)
• M11: 5,294,717 km (0.09 R)
• M12: 6,170,314 km (0.071 R)
• M13: 7,595,981 km (0.12 R)
• M14: 9,132,052 km (0.104 R)
• M15: 9,871,664 km (0.11 R)
• M16: 13,048,375 km (0.115 R)
• M17: 14,113,811 km (0.094 R)
• M18: 15,577,177 km (0.119 R)
• M19: 17,807,233 km (0.048 R)
• M20: 19,274,339 km (0.075 R)
• M21: 21,924,615 km (0.089 R)
• M22: 24,157,064 km (0.1 R)
• M23: 27,430,415 km (0.096 R)
• M24: 32,090,090 km (0.062 R)
• M25: 34,723,611 km (0.104 R)
• M26: 35,195,891 km (0.086 R)
• M27: 35,912,315 km (0.096 R)
• M28: 37,621,770 km (0.078 R)
• M29: 38,119,931 km (0.104 R)
• M30: 43,346,731 km (0.111 R)
• M31: 43,619,897 km (0.077 R)
• M32: 43,894,259 km (0.1 R)
• M33: 46,844,778 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104.1

Radius: 5.9

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 9.29 AU - 10.69 AU

Year: 20714 Days

Day: 19.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,564,759 km

• M1: 78,539 km (0.117 R)
• M2: 721,660 km (0.083 R)
• M3: 1,285,644 km (0.092 R)
• M4: 1,510,938 km (0.116 R)
• M5: 3,607,702 km (0.088 R)
• M6: 3,829,107 km (0.074 R)
• M7: 4,924,912 km (0.092 R)
• M8: 6,215,642 km (0.077 R)
• M9: 9,630,812 km (0.11 R)
• M10: 11,052,440 km (0.057 R)
• M11: 16,615,536 km (0.066 R)
• M12: 17,160,821 km (0.093 R)
• M13: 17,437,876 km (0.106 R)
• M14: 18,868,331 km (0.088 R)
• M15: 22,287,390 km (0.088 R)
• M16: 23,371,376 km (0.105 R)
• M17: 31,650,272 km (0.039 R)
• M18: 37,358,927 km (0.12 R)
• M19: 41,564,721 km (0.094 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 14,291 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit