🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.54 AU - 0.72 AU

Year: 184 Days

Day: 17.1 Hours

Environment

Temp: 139 °C

Axial Tilt: 24.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 66,857,594 km

• M1: 61,186 km (0.045 R)
• M2: 620,981 km (0.041 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.61 AU - 0.83 AU

Year: 225 Days

Day: 39.9 Hours

Environment

Temp: 120 °C

Axial Tilt: 23.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,857,594 km

• M1: 190,288 km (0.101 R)

Asteroid Belt

Center: 1.15 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.24 AU - 1.9 AU

Year: 726 Days

Day: 27.9 Hours

Environment

Temp: -53 °C

Axial Tilt: 21.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,857,594 km

• M1: 1,065,586 km (0.095 R)

Asteroid Belt

Center: 3.53 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: 239.7

Radius: 9.4

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.54 AU - 6.42 AU

Year: 4733 Days

Day: 13.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,857,594 km

• M1: 116,836 km (0.071 R)
• M2: 431,739 km (0.101 R)
• M3: 876,943 km (0.07 R)
• M4: 1,299,108 km (0.072 R)
• M5: 1,854,415 km (0.088 R)
• M6: 2,806,755 km (0.031 R)
• M7: 3,894,332 km (0.073 R)
• M8: 4,327,418 km (0.112 R)
• M9: 5,217,226 km (0.099 R)
• M10: 5,539,460 km (0.045 R)
• M11: 6,672,963 km (0.078 R)
• M12: 9,722,216 km (0.116 R)
• M13: 10,097,407 km (0.094 R)
• M14: 10,599,608 km (0.052 R)
• M15: 12,034,700 km (0.07 R)
• M16: 13,227,145 km (0.095 R)
• M17: 13,828,528 km (0.115 R)
• M18: 16,103,912 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.4

Radius: 12.5

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.42 AU - 5.66 AU

Year: 4811 Days

Day: 6.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,857,594 km

• M1: 157,227 km (0.115 R)
• M2: 670,198 km (0.078 R)
• M3: 2,175,901 km (0.08 R)
• M4: 2,998,989 km (0.103 R)
• M5: 3,389,140 km (0.079 R)
• M6: 4,313,505 km (0.104 R)
• M7: 5,033,220 km (0.083 R)
• M8: 5,516,870 km (0.113 R)
• M9: 6,685,678 km (0.037 R)
• M10: 8,198,412 km (0.077 R)
• M11: 9,202,663 km (0.087 R)
• M12: 11,377,367 km (0.086 R)
• M13: 14,008,943 km (0.077 R)
• M14: 16,418,067 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.5

Radius: 7.3

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 16.96 AU - 17.98 AU

Year: 26941 Days

Day: 16.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,857,594 km

• M1: 145,260 km (0.101 R)
• M2: 514,018 km (0.099 R)
• M3: 1,681,929 km (0.084 R)
• M4: 2,358,859 km (0.11 R)
• M5: 3,180,600 km (0.114 R)
• M6: 4,151,491 km (0.053 R)
• M7: 4,847,121 km (0.099 R)
• M8: 5,273,325 km (0.106 R)
• M9: 16,071,898 km (0.102 R)
• M10: 24,905,054 km (0.106 R)
• M11: 29,793,912 km (0.104 R)
• M12: 30,119,138 km (0.115 R)
• M13: 30,997,876 km (0.113 R)
• M14: 32,234,003 km (0.065 R)
• M15: 39,691,008 km (0.106 R)
• M16: 45,301,227 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.9

Radius: 3.3

Gravity: 18.63 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 17.52 AU - 20.24 AU

Year: 30268 Days

Day: 19.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,857,594 km

• M1: 82,129 km (0.091 R)
• M2: 271,071 km (0.061 R)
• M3: 499,358 km (0.097 R)
• M4: 733,329 km (0.105 R)
• M5: 976,276 km (0.096 R)
• M6: 1,228,947 km (0.037 R)
• M7: 1,492,089 km (0.102 R)
• M8: 2,486,167 km (0.086 R)
• M9: 3,453,018 km (0.106 R)
• M10: 3,678,462 km (0.084 R)
• M11: 3,824,470 km (0.119 R)
• M12: 4,004,585 km (0.116 R)
• M13: 7,569,802 km (0.094 R)
• M14: 11,340,566 km (0.095 R)
• M15: 12,943,357 km (0.111 R)
• M16: 13,213,082 km (0.049 R)
• M17: 20,499,097 km (0.035 R)
• M18: 25,714,677 km (0.106 R)
• M19: 26,571,574 km (0.096 R)
• M20: 35,946,124 km (0.082 R)
• M21: 36,881,560 km (0.065 R)
• M22: 37,016,497 km (0.104 R)
• M23: 38,940,475 km (0.073 R)
• M24: 39,502,215 km (0.037 R)
• M25: 42,540,099 km (0.077 R)
• M26: 45,574,692 km (0.037 R)
• M27: 50,392,043 km (0.116 R)
• M28: 51,226,649 km (0.094 R)
• M29: 52,751,949 km (0.107 R)
• M30: 55,537,761 km (0.093 R)
• M31: 61,590,191 km (0.08 R)
• M32: 66,657,370 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 16,781 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit