🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.4

Radius: 12.7

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.01 AU - 1.53 AU

Year: 971 Days

Day: 12.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,717,838 km

• M1: 157,975 km (0.105 R)
• M2: 556,205 km (0.06 R)
• M3: 997,070 km (0.071 R)
• M4: 1,591,871 km (0.091 R)
• M5: 2,001,470 km (0.073 R)
• M6: 2,829,494 km (0.081 R)
• M7: 3,235,952 km (0.082 R)
• M8: 3,696,264 km (0.1 R)
• M9: 4,663,714 km (0.099 R)
• M10: 5,423,222 km (0.083 R)
• M11: 6,497,634 km (0.098 R)
• M12: 7,564,865 km (0.083 R)
• M13: 8,102,969 km (0.089 R)
• M14: 9,201,615 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.2

Radius: 13.4

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.13 AU - 1.65 AU

Year: 1112 Days

Day: 7.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,717,838 km

• M1: 166,652 km (0.078 R)
• M2: 745,446 km (0.046 R)
• M3: 1,215,931 km (0.116 R)
• M4: 1,718,132 km (0.1 R)
• M5: 2,213,600 km (0.05 R)
• M6: 2,726,571 km (0.088 R)
• M7: 3,755,954 km (0.064 R)
• M8: 4,650,848 km (0.09 R)
• M9: 5,218,423 km (0.11 R)
• M10: 6,513,342 km (0.036 R)
• M11: 7,053,540 km (0.051 R)
• M12: 7,533,898 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.3

Radius: 8.4

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.61 AU - 2.17 AU

Year: 1762 Days

Day: 12.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,717,838 km

• M1: 104,419 km (0.056 R)
• M2: 591,510 km (0.098 R)
• M3: 865,723 km (0.111 R)
• M4: 1,150,408 km (0.044 R)
• M5: 1,507,647 km (0.097 R)
• M6: 2,015,532 km (0.088 R)
• M7: 3,136,469 km (0.094 R)
• M8: 3,702,697 km (0.109 R)
• M9: 4,278,350 km (0.111 R)
• M10: 5,038,007 km (0.098 R)
• M11: 5,405,719 km (0.107 R)
• M12: 7,492,460 km (0.11 R)
• M13: 8,204,994 km (0.108 R)
• M14: 8,684,306 km (0.093 R)
• M15: 9,931,055 km (0.11 R)
• M16: 10,968,366 km (0.099 R)
• M17: 12,152,433 km (0.106 R)
• M18: 13,378,837 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.5

Radius: 9.5

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.9 AU - 2.22 AU

Year: 2005 Days

Day: 9.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,717,838 km

• M1: 118,182 km (0.054 R)
• M2: 468,840 km (0.09 R)
• M3: 1,033,572 km (0.059 R)
• M4: 1,362,986 km (0.116 R)
• M5: 1,658,741 km (0.071 R)
• M6: 2,045,003 km (0.075 R)
• M7: 2,436,949 km (0.105 R)
• M8: 3,111,187 km (0.09 R)
• M9: 3,596,931 km (0.08 R)
• M10: 3,904,804 km (0.049 R)
• M11: 5,113,255 km (0.091 R)
• M12: 5,622,486 km (0.116 R)
• M13: 6,139,646 km (0.043 R)
• M14: 8,157,422 km (0.114 R)
• M15: 8,468,885 km (0.095 R)
• M16: 8,983,951 km (0.114 R)
• M17: 9,383,975 km (0.07 R)
• M18: 11,217,746 km (0.1 R)
• M19: 12,648,350 km (0.108 R)
• M20: 14,970,409 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.8

Radius: 14.8

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.93 AU - 4.83 AU

Year: 5184 Days

Day: 13.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,717,838 km

• M1: 184,005 km (0.11 R)
• M2: 672,592 km (0.109 R)
• M3: 1,504,356 km (0.112 R)
• M4: 2,108,881 km (0.093 R)
• M5: 2,697,250 km (0.055 R)
• M6: 3,234,156 km (0.099 R)
• M7: 3,754,159 km (0.076 R)
• M8: 5,661,681 km (0.082 R)
• M9: 10,611,575 km (0.085 R)
• M10: 12,012,559 km (0.11 R)
• M11: 13,323,934 km (0.104 R)
• M12: 14,341,050 km (0.092 R)
• M13: 16,349,850 km (0.075 R)
• M14: 17,141,672 km (0.095 R)
• M15: 18,539,963 km (0.098 R)
• M16: 19,401,348 km (0.111 R)
• M17: 21,780,552 km (0.073 R)
• M18: 23,496,590 km (0.079 R)
• M19: 25,060,635 km (0.073 R)
• M20: 25,705,402 km (0.072 R)
• M21: 26,776,672 km (0.064 R)
• M22: 29,451,183 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126.4

Radius: 7.8

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.63 AU - 7.11 AU

Year: 10904 Days

Day: 21.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,717,838 km

• M1: 97,089 km (0.105 R)
• M2: 356,342 km (0.09 R)
• M3: 676,781 km (0.111 R)
• M4: 980,614 km (0.079 R)
• M5: 1,845,888 km (0.068 R)
• M6: 2,568,147 km (0.109 R)
• M7: 3,570,602 km (0.107 R)
• M8: 4,362,424 km (0.12 R)
• M9: 4,710,089 km (0.117 R)
• M10: 7,233,356 km (0.043 R)
• M11: 8,046,421 km (0.088 R)
• M12: 8,801,890 km (0.117 R)
• M13: 11,867,749 km (0.072 R)
• M14: 13,047,328 km (0.104 R)
• M15: 13,665,466 km (0.118 R)
• M16: 14,035,123 km (0.106 R)
• M17: 15,867,697 km (0.082 R)
• M18: 16,811,360 km (0.062 R)
• M19: 18,232,689 km (0.104 R)
• M20: 19,201,784 km (0.068 R)
• M21: 24,645,052 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 52.6

Radius: 3.1

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.47 AU - 8.71 AU

Year: 14183 Days

Day: 21.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 25,717,838 km

• M1: 39,943 km (0.05 R)
• M2: 195,973 km (0.107 R)
• M3: 342,878 km (0.079 R)
• M4: 464,352 km (0.107 R)
• M5: 572,661 km (0.08 R)
• M6: 781,499 km (0.107 R)
• M7: 1,139,487 km (0.118 R)
• M8: 1,256,772 km (0.115 R)
• M9: 1,633,160 km (0.095 R)
• M10: 3,022,924 km (0.05 R)
• M11: 3,267,816 km (0.103 R)
• M12: 3,525,723 km (0.097 R)
• M13: 4,127,256 km (0.049 R)
• M14: 5,810,082 km (0.105 R)
• M15: 5,982,718 km (0.1 R)
• M16: 7,188,776 km (0.112 R)
• M17: 8,884,318 km (0.089 R)
• M18: 9,503,953 km (0.059 R)
• M19: 9,703,367 km (0.116 R)
• M20: 11,266,664 km (0.063 R)
• M21: 13,235,672 km (0.03 R)
• M22: 20,560,881 km (0.072 R)
• M23: 22,475,135 km (0.093 R)
• M24: 22,616,206 km (0.089 R)
• M25: 22,757,875 km (0.079 R)
• M26: 25,717,819 km (0.083 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 18,976 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit