🌌 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: 303.6

Radius: 8.9

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.85 AU - 0.87 AU

Year: 551 Days

Day: 11.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,811,449 km

• M1: 110,702 km (0.069 R)
• M2: 401,521 km (0.103 R)
• M3: 761,752 km (0.101 R)
• M4: 1,184,965 km (0.05 R)
• M5: 1,565,691 km (0.112 R)
• M6: 2,027,350 km (0.118 R)
• M7: 2,520,874 km (0.109 R)
• M8: 3,496,850 km (0.065 R)
• M9: 4,275,657 km (0.096 R)
• M10: 5,074,210 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.4

Radius: 12.6

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.08 AU - 1.56 AU

Year: 1047 Days

Day: 13.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,811,449 km

• M1: 156,779 km (0.113 R)
• M2: 741,856 km (0.079 R)
• M3: 1,137,243 km (0.106 R)
• M4: 1,644,978 km (0.112 R)
• M5: 2,089,882 km (0.064 R)
• M6: 4,302,136 km (0.068 R)
• M7: 5,141,080 km (0.113 R)
• M8: 6,021,165 km (0.106 R)
• M9: 9,183,364 km (0.103 R)
• M10: 9,592,215 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.9

Radius: 15

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.16 AU - 1.5 AU

Year: 1059 Days

Day: 5.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,811,449 km

• M1: 187,446 km (0.1 R)
• M2: 717,172 km (0.096 R)
• M3: 1,688,362 km (0.083 R)
• M4: 2,212,702 km (0.119 R)
• M5: 2,730,760 km (0.096 R)
• M6: 3,448,530 km (0.111 R)
• M7: 4,325,174 km (0.095 R)
• M8: 5,448,354 km (0.083 R)
• M9: 6,157,299 km (0.096 R)
• M10: 7,147,786 km (0.085 R)
• M11: 10,311,632 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193

Radius: 10.1

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.96 AU - 3.26 AU

Year: 3786 Days

Day: 14.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,811,449 km

• M1: 126,410 km (0.041 R)
• M2: 457,620 km (0.082 R)
• M3: 1,086,230 km (0.094 R)
• M4: 2,069,088 km (0.11 R)
• M5: 3,511,361 km (0.083 R)
• M6: 3,884,608 km (0.091 R)
• M7: 4,323,827 km (0.084 R)
• M8: 5,099,941 km (0.082 R)
• M9: 9,694,690 km (0.051 R)
• M10: 11,058,125 km (0.072 R)
• M11: 12,022,134 km (0.107 R)
• M12: 14,250,095 km (0.104 R)
• M13: 15,484,876 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.1

Radius: 13.7

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.11 AU - 6.27 AU

Year: 8161 Days

Day: 11 Hours

Environment

Temp: -235 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,811,449 km

• M1: 170,392 km (0.04 R)
• M2: 691,441 km (0.082 R)
• M3: 1,593,068 km (0.072 R)
• M4: 2,190,262 km (0.034 R)
• M5: 4,145,207 km (0.09 R)
• M6: 6,278,772 km (0.108 R)
• M7: 7,246,970 km (0.06 R)
• M8: 7,933,624 km (0.049 R)
• M9: 8,506,135 km (0.034 R)
• M10: 9,106,022 km (0.115 R)
• M11: 10,480,827 km (0.076 R)
• M12: 13,265,890 km (0.1 R)
• M13: 14,857,761 km (0.109 R)
• M14: 15,376,716 km (0.06 R)
• M15: 16,634,984 km (0.107 R)
• M16: 17,257,760 km (0.059 R)
• M17: 20,255,103 km (0.104 R)
• M18: 20,965,543 km (0.08 R)
• M19: 24,609,747 km (0.119 R)
• M20: 25,500,902 km (0.076 R)
• M21: 27,433,557 km (0.067 R)
• M22: 31,588,638 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 338

Radius: 7.7

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.68 AU - 8.82 AU

Year: 16357 Days

Day: 23.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,811,449 km

• M1: 96,042 km (0.067 R)
• M2: 515,664 km (0.092 R)
• M3: 976,276 km (0.051 R)
• M4: 1,964,818 km (0.039 R)
• M5: 2,269,848 km (0.066 R)
• M6: 2,544,510 km (0.094 R)
• M7: 4,210,881 km (0.098 R)
• M8: 5,204,510 km (0.093 R)
• M9: 6,009,795 km (0.094 R)
• M10: 8,638,978 km (0.118 R)
• M11: 11,432,718 km (0.048 R)
• M12: 11,892,283 km (0.082 R)
• M13: 14,845,046 km (0.096 R)
• M14: 15,952,519 km (0.12 R)
• M15: 16,891,993 km (0.07 R)
• M16: 23,685,980 km (0.109 R)
• M17: 28,613,585 km (0.119 R)
• M18: 29,247,281 km (0.109 R)
• M19: 29,782,393 km (0.079 R)
• M20: 32,901,060 km (0.05 R)
• M21: 34,301,745 km (0.037 R)
• M22: 39,909,271 km (0.097 R)
• M23: 40,966,180 km (0.077 R)
• M24: 42,860,538 km (0.063 R)
• M25: 50,561,537 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.3

Radius: 6.3

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 7.85 AU - 12.77 AU

Year: 22851 Days

Day: 24.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,811,449 km

• M1: 78,988 km (0.115 R)
• M2: 363,822 km (0.1 R)
• M3: 1,216,081 km (0.104 R)
• M4: 1,706,613 km (0.089 R)
• M5: 1,969,755 km (0.071 R)
• M6: 2,300,516 km (0.037 R)
• M7: 4,098,234 km (0.095 R)
• M8: 4,705,003 km (0.097 R)
• M9: 9,606,876 km (0.102 R)
• M10: 13,238,364 km (0.101 R)
• M11: 14,342,247 km (0.092 R)
• M12: 16,810,163 km (0.102 R)
• M13: 22,954,596 km (0.088 R)
• M14: 24,543,176 km (0.115 R)
• M15: 28,159,406 km (0.055 R)
• M16: 36,163,340 km (0.088 R)
• M17: 37,494,762 km (0.091 R)
• M18: 43,147,766 km (0.051 R)
• M19: 44,493,548 km (0.098 R)
• M20: 45,559,583 km (0.042 R)
• M21: 47,268,738 km (0.088 R)
• M22: 52,652,317 km (0.116 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 14,644 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit