🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.49 AU - 0.67 AU

Year: 169 Days

Day: 19.7 Hours

Environment

Temp: 138 °C

Axial Tilt: 9.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 0.85 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.1 AU - 1.12 AU

Year: 448 Days

Day: 23.9 Hours

Environment

Temp: -17 °C

Axial Tilt: 39.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 64,868,199 km

• M1: 69,862 km (0.072 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.01 AU - 1.41 AU

Year: 510 Days

Day: 41.3 Hours

Environment

Temp: -21 °C

Axial Tilt: 12.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.7

Radius: 13.6

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.26 AU - 5.7 AU

Year: 4912 Days

Day: 9.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,868,199 km

• M1: 169,195 km (0.112 R)
• M2: 616,044 km (0.096 R)
• M3: 1,155,644 km (0.09 R)
• M4: 1,957,937 km (0.051 R)
• M5: 3,324,214 km (0.099 R)
• M6: 4,082,825 km (0.12 R)
• M7: 6,067,839 km (0.036 R)
• M8: 7,203,437 km (0.117 R)
• M9: 7,840,424 km (0.073 R)
• M10: 8,285,777 km (0.047 R)
• M11: 10,459,135 km (0.115 R)
• M12: 11,184,236 km (0.096 R)
• M13: 15,553,990 km (0.065 R)
• M14: 16,140,413 km (0.083 R)
• M15: 20,808,017 km (0.081 R)
• M16: 23,910,078 km (0.083 R)
• M17: 26,224,058 km (0.118 R)
• M18: 29,122,965 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.4

Radius: 14.7

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.76 AU - 9.3 AU

Year: 8713 Days

Day: 7.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,868,199 km

• M1: 183,706 km (0.074 R)
• M2: 1,231,190 km (0.066 R)
• M3: 2,498,135 km (0.098 R)
• M4: 4,384,414 km (0.086 R)
• M5: 4,888,110 km (0.107 R)
• M6: 5,549,782 km (0.103 R)
• M7: 9,362,134 km (0.112 R)
• M8: 9,976,832 km (0.083 R)
• M9: 11,287,309 km (0.081 R)
• M10: 11,933,572 km (0.11 R)
• M11: 13,519,459 km (0.053 R)
• M12: 15,542,920 km (0.088 R)
• M13: 19,540,474 km (0.104 R)
• M14: 21,360,930 km (0.118 R)
• M15: 22,818,462 km (0.072 R)
• M16: 24,835,939 km (0.103 R)
• M17: 25,675,333 km (0.11 R)
• M18: 28,036,436 km (0.104 R)
• M19: 32,090,538 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.1

Radius: 10.6

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.11 AU - 10.11 AU

Year: 8843 Days

Day: 13.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,868,199 km

• M1: 131,796 km (0.095 R)
• M2: 493,673 km (0.096 R)
• M3: 1,323,642 km (0.062 R)
• M4: 1,739,524 km (0.098 R)
• M5: 2,124,439 km (0.04 R)
• M6: 2,604,499 km (0.071 R)
• M7: 2,963,833 km (0.044 R)
• M8: 3,661,408 km (0.087 R)
• M9: 4,167,348 km (0.102 R)
• M10: 4,690,791 km (0.108 R)
• M11: 5,043,543 km (0.069 R)
• M12: 5,573,867 km (0.115 R)
• M13: 7,829,354 km (0.117 R)
• M14: 8,498,356 km (0.106 R)
• M15: 9,159,728 km (0.092 R)
• M16: 10,635,212 km (0.085 R)
• M17: 12,596,590 km (0.102 R)
• M18: 14,663,583 km (0.117 R)
• M19: 16,878,978 km (0.116 R)
• M20: 17,222,604 km (0.114 R)
• M21: 17,711,490 km (0.117 R)
• M22: 18,353,714 km (0.065 R)
• M23: 21,158,375 km (0.058 R)
• M24: 22,620,993 km (0.091 R)
• M25: 23,292,388 km (0.062 R)
• M26: 24,586,709 km (0.081 R)
• M27: 25,837,497 km (0.107 R)
• M28: 26,202,516 km (0.098 R)
• M29: 34,909,710 km (0.075 R)
• M30: 35,693,304 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.1

Radius: 7.1

Gravity: 12.94 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 9.95 AU - 14.27 AU

Year: 16136 Days

Day: 16.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,868,199 km

• M1: 89,011 km (0.074 R)
• M2: 478,863 km (0.111 R)
• M3: 1,124,976 km (0.092 R)
• M4: 1,556,566 km (0.062 R)
• M5: 2,230,953 km (0.082 R)
• M6: 3,396,320 km (0.106 R)
• M7: 4,359,880 km (0.066 R)
• M8: 5,682,026 km (0.094 R)
• M9: 6,728,463 km (0.05 R)
• M10: 7,074,783 km (0.066 R)
• M11: 7,945,293 km (0.113 R)
• M12: 9,040,199 km (0.081 R)
• M13: 13,325,131 km (0.085 R)
• M14: 16,056,040 km (0.07 R)
• M15: 18,292,229 km (0.078 R)
• M16: 26,766,649 km (0.106 R)
• M17: 42,014,861 km (0.087 R)
• M18: 44,838,671 km (0.049 R)
• M19: 47,945,370 km (0.112 R)
• M20: 52,700,338 km (0.096 R)
• M21: 54,065,418 km (0.11 R)
• M22: 55,980,421 km (0.109 R)
• M23: 58,301,581 km (0.077 R)
• M24: 64,868,180 km (0.111 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: 517 - 16,281 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit