🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.88 AU - 1.22 AU

Year: 385 Days

Day: 47.2 Hours

Environment

Temp: 28 °C

Axial Tilt: 23.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.01 AU - 1.09 AU

Year: 385 Days

Day: 13.7 Hours

Environment

Temp: 32 °C

Axial Tilt: 47 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.54 AU - 1.96 AU

Year: 829 Days

Day: 46.5 Hours

Environment

Temp: -46 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,540,266 km

• M1: 34,557 km (0.094 R)

Asteroid Belt

Center: 2.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.51 AU - 3.57 AU

Year: 1898 Days

Day: 25.3 Hours

Environment

Temp: -98 °C

Axial Tilt: 88.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.68 AU - 4.14 AU

Year: 2255 Days

Day: 14.9 Hours

Environment

Temp: -115 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.57 AU - 3.65 AU

Year: 2457 Days

Day: 38.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.1

Radius: 12.6

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.81 AU - 6.21 AU

Year: 4632 Days

Day: 5.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,540,266 km

• M1: 160,668 km (0.109 R)
• M2: 620,682 km (0.082 R)
• M3: 1,141,731 km (0.119 R)
• M4: 1,589,926 km (0.106 R)
• M5: 2,170,815 km (0.107 R)
• M6: 2,754,845 km (0.087 R)
• M7: 3,743,537 km (0.089 R)
• M8: 4,930,895 km (0.114 R)
• M9: 6,354,768 km (0.101 R)
• M10: 9,599,097 km (0.115 R)
• M11: 10,747,410 km (0.099 R)
• M12: 12,077,036 km (0.091 R)
• M13: 13,814,316 km (0.101 R)
• M14: 15,548,006 km (0.1 R)
• M15: 16,666,998 km (0.09 R)
• M16: 18,079,651 km (0.118 R)
• M17: 19,064,902 km (0.094 R)
• M18: 19,827,103 km (0.071 R)
• M19: 21,008,328 km (0.1 R)
• M20: 23,151,916 km (0.074 R)
• M21: 23,655,463 km (0.037 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.5

Radius: 10.7

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 10.1 AU - 12.1 AU

Year: 13245 Days

Day: 13.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,540,266 km

• M1: 164,258 km (0.106 R)
• M2: 955,930 km (0.066 R)
• M3: 1,676,244 km (0.076 R)
• M4: 2,140,895 km (0.088 R)
• M5: 3,463,340 km (0.111 R)
• M6: 3,878,175 km (0.102 R)
• M7: 4,643,817 km (0.068 R)
• M8: 5,120,586 km (0.086 R)
• M9: 8,618,633 km (0.1 R)
• M10: 9,167,358 km (0.098 R)
• M11: 9,829,178 km (0.113 R)
• M12: 13,402,772 km (0.066 R)
• M13: 13,739,517 km (0.113 R)
• M14: 16,577,688 km (0.11 R)
• M15: 17,426,955 km (0.078 R)
• M16: 18,650,516 km (0.077 R)
• M17: 19,070,886 km (0.099 R)
• M18: 21,649,953 km (0.059 R)
• M19: 30,189,598 km (0.066 R)
• M20: 30,769,440 km (0.062 R)
• M21: 31,554,080 km (0.108 R)
• M22: 33,471,028 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 528.9

Radius: 4.4

Gravity: 27.32 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 11.27 AU - 14.49 AU

Year: 16556 Days

Day: 23.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 61,540,266 km

• M1: 65,524 km (0.053 R)
• M2: 266,434 km (0.086 R)
• M3: 419,323 km (0.074 R)
• M4: 958,922 km (0.081 R)
• M5: 1,404,425 km (0.061 R)
• M6: 1,816,417 km (0.095 R)
• M7: 2,557,675 km (0.037 R)
• M8: 4,875,395 km (0.07 R)
• M9: 5,546,341 km (0.08 R)
• M10: 7,112,780 km (0.037 R)
• M11: 8,502,096 km (0.119 R)
• M12: 9,208,497 km (0.104 R)
• M13: 10,062,850 km (0.108 R)
• M14: 15,210,364 km (0.1 R)
• M15: 17,175,032 km (0.109 R)
• M16: 19,473,155 km (0.096 R)
• M17: 19,817,380 km (0.089 R)
• M18: 20,165,643 km (0.114 R)
• M19: 20,606,658 km (0.057 R)
• M20: 20,784,829 km (0.092 R)
• M21: 21,234,819 km (0.111 R)
• M22: 21,875,697 km (0.093 R)
• M23: 22,247,597 km (0.111 R)
• M24: 25,172,684 km (0.044 R)
• M25: 31,065,494 km (0.088 R)
• M26: 36,497,393 km (0.098 R)
• M27: 37,814,602 km (0.118 R)
• M28: 39,987,212 km (0.097 R)
• M29: 41,245,180 km (0.113 R)
• M30: 41,955,471 km (0.111 R)
• M31: 42,529,328 km (0.101 R)
• M32: 46,694,582 km (0.04 R)
• M33: 47,465,908 km (0.09 R)
• M34: 49,033,993 km (0.052 R)
• M35: 50,798,351 km (0.079 R)
• M36: 51,778,366 km (0.079 R)
• M37: 52,604,595 km (0.115 R)
• M38: 54,623,419 km (0.057 R)
• M39: 56,344,692 km (0.096 R)
• M40: 57,570,796 km (0.075 R)

Kuiper Belt

Range: 30.6 - 46.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 17,063 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit