🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.2

Radius: 11

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.73 AU - 0.99 AU

Year: 532 Days

Day: 12.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,668,236 km

• M1: 137,630 km (0.082 R)
• M2: 621,130 km (0.11 R)
• M3: 1,380,489 km (0.05 R)
• M4: 2,166,327 km (0.092 R)
• M5: 2,655,961 km (0.063 R)
• M6: 3,238,794 km (0.115 R)
• M7: 4,034,954 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.9

Radius: 14.8

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.83 AU - 0.97 AU

Year: 569 Days

Day: 7.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,668,236 km

• M1: 184,454 km (0.108 R)
• M2: 664,813 km (0.088 R)
• M3: 1,166,863 km (0.03 R)
• M4: 1,926,222 km (0.087 R)
• M5: 2,549,148 km (0.055 R)
• M6: 3,111,187 km (0.068 R)
• M7: 3,950,581 km (0.073 R)
• M8: 4,845,026 km (0.118 R)
• M9: 5,530,334 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.3

Radius: 11.3

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.27 AU - 1.59 AU

Year: 1140 Days

Day: 14 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,668,236 km

• M1: 141,071 km (0.083 R)
• M2: 681,568 km (0.064 R)
• M3: 2,063,403 km (0.113 R)
• M4: 2,449,216 km (0.077 R)
• M5: 2,818,274 km (0.097 R)
• M6: 3,383,455 km (0.115 R)
• M7: 4,558,846 km (0.115 R)
• M8: 5,400,782 km (0.111 R)
• M9: 6,479,981 km (0.109 R)
• M10: 7,218,097 km (0.109 R)
• M11: 7,905,948 km (0.09 R)
• M12: 8,581,233 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.3

Radius: 12.8

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.62 AU - 2.48 AU

Year: 1957 Days

Day: 13.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,668,236 km

• M1: 159,172 km (0.097 R)
• M2: 569,818 km (0.066 R)
• M3: 1,004,998 km (0.11 R)
• M4: 1,645,876 km (0.03 R)
• M5: 2,230,803 km (0.12 R)
• M6: 2,884,097 km (0.093 R)
• M7: 3,551,753 km (0.117 R)
• M8: 4,374,092 km (0.053 R)
• M9: 5,486,502 km (0.077 R)
• M10: 5,963,270 km (0.095 R)
• M11: 6,467,714 km (0.1 R)
• M12: 6,975,749 km (0.092 R)
• M13: 7,694,417 km (0.094 R)
• M14: 8,719,461 km (0.092 R)
• M15: 9,189,947 km (0.087 R)
• M16: 9,739,719 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.9

Radius: 9.5

Gravity: 10.99 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.34 AU - 3.06 AU

Year: 2959 Days

Day: 12.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,668,236 km

• M1: 118,182 km (0.091 R)
• M2: 501,602 km (0.108 R)
• M3: 804,687 km (0.053 R)
• M4: 1,264,102 km (0.111 R)
• M5: 2,103,944 km (0.091 R)
• M6: 2,558,273 km (0.112 R)
• M7: 3,371,786 km (0.084 R)
• M8: 3,685,194 km (0.038 R)
• M9: 4,280,893 km (0.03 R)
• M10: 5,114,302 km (0.098 R)
• M11: 5,745,755 km (0.116 R)
• M12: 6,252,892 km (0.069 R)
• M13: 6,667,577 km (0.114 R)
• M14: 7,324,162 km (0.105 R)
• M15: 7,718,353 km (0.098 R)
• M16: 8,196,019 km (0.119 R)
• M17: 8,729,634 km (0.099 R)
• M18: 10,929,022 km (0.039 R)
• M19: 12,385,208 km (0.048 R)
• M20: 13,620,587 km (0.071 R)
• M21: 14,522,662 km (0.087 R)
• M22: 17,352,605 km (0.077 R)
• M23: 17,759,661 km (0.066 R)
• M24: 18,958,089 km (0.039 R)
• M25: 20,145,597 km (0.087 R)
• M26: 20,466,185 km (0.098 R)
• M27: 21,315,752 km (0.071 R)
• M28: 23,155,058 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.8

Radius: 10.5

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.59 AU - 5.59 AU

Year: 6558 Days

Day: 9.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 111.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,668,236 km

• M1: 137,181 km (0.115 R)
• M2: 485,744 km (0.119 R)
• M3: 877,840 km (0.087 R)
• M4: 1,293,423 km (0.118 R)
• M5: 1,736,831 km (0.096 R)
• M6: 2,160,492 km (0.12 R)
• M7: 2,618,860 km (0.082 R)
• M8: 3,499,992 km (0.046 R)
• M9: 3,975,563 km (0.081 R)
• M10: 6,964,978 km (0.057 R)
• M11: 7,335,831 km (0.112 R)
• M12: 7,791,057 km (0.092 R)
• M13: 9,071,615 km (0.101 R)
• M14: 9,637,992 km (0.052 R)
• M15: 12,980,607 km (0.091 R)
• M16: 20,858,132 km (0.117 R)
• M17: 21,630,955 km (0.063 R)
• M18: 23,760,031 km (0.114 R)
• M19: 26,920,735 km (0.049 R)
• M20: 28,515,897 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.9

Radius: 3.8

Gravity: 65.64 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.89 AU - 8.29 AU

Year: 13944 Days

Day: 17.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,668,236 km

• M1: 47,572 km (0.095 R)
• M2: 263,292 km (0.117 R)
• M3: 1,273,078 km (0.117 R)
• M4: 1,672,055 km (0.049 R)
• M5: 1,900,491 km (0.066 R)
• M6: 3,052,993 km (0.066 R)
• M7: 3,532,455 km (0.109 R)
• M8: 7,052,792 km (0.116 R)
• M9: 8,078,734 km (0.111 R)
• M10: 9,632,607 km (0.107 R)
• M11: 11,747,023 km (0.111 R)
• M12: 14,437,391 km (0.12 R)
• M13: 16,001,886 km (0.08 R)
• M14: 16,864,766 km (0.101 R)
• M15: 17,511,478 km (0.11 R)
• M16: 18,854,418 km (0.104 R)
• M17: 19,816,482 km (0.083 R)
• M18: 21,648,607 km (0.082 R)
• M19: 24,398,964 km (0.06 R)
• M20: 25,963,907 km (0.055 R)
• M21: 33,521,592 km (0.084 R)
• M22: 34,029,476 km (0.103 R)
• M23: 37,049,409 km (0.082 R)
• M24: 39,816,520 km (0.04 R)
• M25: 41,833,399 km (0.101 R)
• M26: 60,287,942 km (0.076 R)
• M27: 61,416,359 km (0.111 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 16,718 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit