🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.48 AU - 0.66 AU

Year: 189 Days

Day: 38.1 Hours

Environment

Temp: 4 °C

Axial Tilt: 37.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 59,797,736 km

• M1: 40,541 km (0.066 R)
• M2: 383,270 km (0.054 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.52 AU - 0.62 AU

Year: 189 Days

Day: 32.4 Hours

Environment

Temp: 29 °C

Axial Tilt: 34.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.57 AU - 0.63 AU

Year: 204 Days

Day: 41.1 Hours

Environment

Temp: 15 °C

Axial Tilt: 33.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 59,797,736 km

• M1: 60,587 km (0.076 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.6 AU - 0.78 AU

Year: 252 Days

Day: 26.4 Hours

Environment

Temp: 7 °C

Axial Tilt: 46.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.82 AU - 1.02 AU

Year: 388 Days

Day: 34.4 Hours

Environment

Temp: -60 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 59,797,736 km

• M1: 211,232 km (0.081 R)
• M2: 402,269 km (0.061 R)

Asteroid Belt

Center: 1.89 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.4

Radius: 11.6

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.46 AU - 3.26 AU

Year: 2127 Days

Day: 12.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,797,736 km

• M1: 144,212 km (0.073 R)
• M2: 508,782 km (0.118 R)
• M3: 1,134,251 km (0.105 R)
• M4: 1,565,542 km (0.093 R)
• M5: 2,321,909 km (0.113 R)
• M6: 2,971,463 km (0.099 R)
• M7: 3,756,103 km (0.112 R)
• M8: 4,795,958 km (0.12 R)
• M9: 5,328,078 km (0.083 R)
• M10: 5,899,242 km (0.077 R)
• M11: 8,182,256 km (0.095 R)
• M12: 9,785,646 km (0.083 R)
• M13: 10,929,022 km (0.114 R)
• M14: 11,701,695 km (0.12 R)
• M15: 12,159,315 km (0.106 R)
• M16: 13,521,254 km (0.093 R)
• M17: 14,938,095 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.4

Radius: 10.8

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.93 AU - 4.11 AU

Year: 2904 Days

Day: 14.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,797,736 km

• M1: 134,339 km (0.097 R)
• M2: 539,600 km (0.103 R)
• M3: 920,775 km (0.094 R)
• M4: 1,299,258 km (0.064 R)
• M5: 1,760,767 km (0.074 R)
• M6: 2,236,189 km (0.059 R)
• M7: 4,779,203 km (0.114 R)
• M8: 5,219,470 km (0.107 R)
• M9: 5,686,664 km (0.071 R)
• M10: 6,235,389 km (0.101 R)
• M11: 6,676,852 km (0.097 R)
• M12: 7,592,092 km (0.114 R)
• M13: 9,241,408 km (0.088 R)
• M14: 10,075,417 km (0.052 R)
• M15: 10,645,983 km (0.118 R)
• M16: 11,935,068 km (0.1 R)
• M17: 12,487,383 km (0.084 R)
• M18: 13,506,444 km (0.115 R)
• M19: 15,113,274 km (0.096 R)
• M20: 17,002,696 km (0.071 R)
• M21: 18,365,383 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189

Radius: 8.4

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.14 AU - 4.22 AU

Year: 3758 Days

Day: 11.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,797,736 km

• M1: 107,710 km (0.103 R)
• M2: 443,857 km (0.103 R)
• M3: 1,076,955 km (0.094 R)
• M4: 2,414,061 km (0.079 R)
• M5: 2,939,748 km (0.092 R)
• M6: 4,046,174 km (0.051 R)
• M7: 5,454,488 km (0.033 R)
• M8: 6,462,927 km (0.076 R)
• M9: 8,125,259 km (0.12 R)
• M10: 8,589,760 km (0.114 R)
• M11: 11,563,167 km (0.059 R)
• M12: 12,311,157 km (0.077 R)
• M13: 13,132,898 km (0.036 R)
• M14: 13,600,242 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.5

Radius: 3.9

Gravity: 18.18 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 10.35 AU - 16.75 AU

Year: 21932 Days

Day: 17.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,797,736 km

• M1: 302,487 km (0.111 R)
• M2: 570,865 km (0.119 R)
• M3: 775,515 km (0.044 R)
• M4: 1,062,743 km (0.087 R)
• M5: 1,388,418 km (0.096 R)
• M6: 1,777,372 km (0.08 R)
• M7: 2,195,648 km (0.062 R)
• M8: 4,412,240 km (0.069 R)
• M9: 5,602,739 km (0.095 R)
• M10: 6,251,845 km (0.119 R)
• M11: 7,607,201 km (0.108 R)
• M12: 8,162,209 km (0.085 R)
• M13: 8,305,225 km (0.107 R)
• M14: 9,720,570 km (0.113 R)
• M15: 10,654,211 km (0.099 R)
• M16: 10,825,052 km (0.088 R)
• M17: 13,477,422 km (0.105 R)
• M18: 14,219,577 km (0.096 R)
• M19: 16,457,112 km (0.113 R)
• M20: 17,619,488 km (0.071 R)
• M21: 19,506,515 km (0.119 R)
• M22: 19,847,897 km (0.116 R)
• M23: 20,718,707 km (0.086 R)
• M24: 28,731,019 km (0.06 R)
• M25: 36,871,686 km (0.085 R)
• M26: 41,044,121 km (0.11 R)
• M27: 42,311,963 km (0.072 R)
• M28: 42,883,726 km (0.077 R)
• M29: 48,574,877 km (0.117 R)
• M30: 52,745,816 km (0.076 R)
• M31: 52,910,822 km (0.089 R)
• M32: 53,076,128 km (0.117 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 14,163 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit