🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.8

Radius: 14.5

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.11 AU - 1.51 AU

Year: 984 Days

Day: 6.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 30,386,632 km

• M1: 180,415 km (0.087 R)
• M2: 675,883 km (0.103 R)
• M3: 1,937,292 km (0.111 R)
• M4: 3,457,805 km (0.102 R)
• M5: 6,267,852 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.5

Radius: 12.6

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.86 AU - 2.42 AU

Year: 2054 Days

Day: 14 Hours

Environment

Temp: -194 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,386,632 km

• M1: 157,227 km (0.077 R)
• M2: 713,881 km (0.11 R)
• M3: 1,122,433 km (0.076 R)
• M4: 1,845,589 km (0.116 R)
• M5: 2,281,068 km (0.112 R)
• M6: 2,711,312 km (0.041 R)
• M7: 3,416,217 km (0.114 R)
• M8: 4,003,089 km (0.077 R)
• M9: 4,941,666 km (0.039 R)
• M10: 5,499,517 km (0.034 R)
• M11: 6,549,993 km (0.081 R)
• M12: 7,023,022 km (0.119 R)
• M13: 8,131,991 km (0.116 R)
• M14: 9,182,467 km (0.104 R)
• M15: 10,358,306 km (0.11 R)
• M16: 11,592,040 km (0.102 R)
• M17: 12,411,537 km (0.059 R)
• M18: 14,489,302 km (0.119 R)
• M19: 15,391,826 km (0.072 R)
• M20: 16,280,886 km (0.058 R)
• M21: 16,687,044 km (0.094 R)
• M22: 17,731,836 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.2

Radius: 10.1

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.13 AU - 3.17 AU

Year: 2830 Days

Day: 15 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,386,632 km

• M1: 125,662 km (0.059 R)
• M2: 720,314 km (0.087 R)
• M3: 1,036,713 km (0.097 R)
• M4: 1,373,458 km (0.067 R)
• M5: 1,887,626 km (0.109 R)
• M6: 2,385,338 km (0.117 R)
• M7: 3,589,900 km (0.087 R)
• M8: 4,151,191 km (0.057 R)
• M9: 4,615,244 km (0.087 R)
• M10: 5,498,320 km (0.115 R)
• M11: 6,326,195 km (0.108 R)
• M12: 6,913,366 km (0.103 R)
• M13: 8,293,706 km (0.103 R)
• M14: 8,860,233 km (0.04 R)
• M15: 10,638,503 km (0.078 R)
• M16: 11,227,470 km (0.09 R)
• M17: 13,574,960 km (0.085 R)
• M18: 15,977,202 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.4

Radius: 9.1

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.64 AU - 2.76 AU

Year: 2910 Days

Day: 12.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,386,632 km

• M1: 113,096 km (0.092 R)
• M2: 559,197 km (0.102 R)
• M3: 853,605 km (0.115 R)
• M4: 1,634,656 km (0.087 R)
• M5: 2,209,261 km (0.105 R)
• M6: 2,831,588 km (0.088 R)
• M7: 3,149,484 km (0.084 R)
• M8: 3,566,264 km (0.109 R)
• M9: 6,311,684 km (0.11 R)
• M10: 7,157,061 km (0.091 R)
• M11: 8,175,524 km (0.065 R)
• M12: 10,458,387 km (0.034 R)
• M13: 12,372,941 km (0.063 R)
• M14: 12,683,356 km (0.063 R)
• M15: 13,835,260 km (0.087 R)
• M16: 15,307,752 km (0.076 R)
• M17: 15,769,261 km (0.086 R)
• M18: 17,319,544 km (0.079 R)
• M19: 18,503,761 km (0.094 R)
• M20: 20,782,735 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635

Radius: 11.3

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.15 AU - 4.47 AU

Year: 4879 Days

Day: 11.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,386,632 km

• M1: 145,110 km (0.118 R)
• M2: 543,938 km (0.068 R)
• M3: 1,542,204 km (0.106 R)
• M4: 2,322,058 km (0.105 R)
• M5: 3,408,587 km (0.114 R)
• M6: 4,287,625 km (0.064 R)
• M7: 4,755,268 km (0.06 R)
• M8: 5,394,649 km (0.09 R)
• M9: 6,715,149 km (0.112 R)
• M10: 10,943,683 km (0.095 R)
• M11: 19,782,972 km (0.101 R)
• M12: 23,027,002 km (0.061 R)
• M13: 26,446,959 km (0.074 R)
• M14: 28,877,625 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.1

Radius: 9.4

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.27 AU - 4.59 AU

Year: 5111 Days

Day: 14.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 30,386,632 km

• M1: 116,836 km (0.117 R)
• M2: 589,864 km (0.07 R)
• M3: 1,517,371 km (0.097 R)
• M4: 2,203,128 km (0.049 R)
• M5: 3,381,510 km (0.045 R)
• M6: 3,855,436 km (0.061 R)
• M7: 4,963,209 km (0.05 R)
• M8: 5,841,498 km (0.085 R)
• M9: 6,460,982 km (0.07 R)
• M10: 6,920,248 km (0.071 R)
• M11: 7,436,211 km (0.046 R)
• M12: 8,126,605 km (0.039 R)
• M13: 9,385,022 km (0.053 R)
• M14: 10,366,534 km (0.092 R)
• M15: 10,905,086 km (0.116 R)
• M16: 12,086,910 km (0.067 R)
• M17: 14,759,476 km (0.07 R)
• M18: 15,499,087 km (0.084 R)
• M19: 15,907,340 km (0.084 R)
• M20: 17,052,063 km (0.077 R)
• M21: 17,362,329 km (0.102 R)
• M22: 18,380,193 km (0.109 R)
• M23: 19,036,329 km (0.105 R)
• M24: 19,912,524 km (0.071 R)
• M25: 21,241,102 km (0.063 R)
• M26: 27,487,711 km (0.113 R)
• M27: 28,606,554 km (0.061 R)
• M28: 29,221,401 km (0.096 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: 230 - 11,919 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit