🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.58 AU - 0.92 AU

Year: 240 Days

Day: 36.7 Hours

Environment

Temp: 175 °C

Axial Tilt: 9.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 103,866,808 km

• M1: 72,705 km (0.108 R)
• M2: 140,323 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.76 AU - 1.16 AU

Year: 347 Days

Day: 38.4 Hours

Environment

Temp: 19 °C

Axial Tilt: 17 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 103,866,808 km

• M1: 19,897 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.09 AU - 1.13 AU

Year: 431 Days

Day: 20.8 Hours

Environment

Temp: 20 °C

Axial Tilt: 33.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 103,866,808 km

• M1: 107,860 km (0.104 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.36 AU - 2.46 AU

Year: 1380 Days

Day: 30 Hours

Environment

Temp: -92 °C

Axial Tilt: 6.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 103,866,808 km

• M1: 351,555 km (0.062 R)
• M2: 1,549,385 km (0.082 R)

Asteroid Belt

Center: 5.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.6

Radius: 13.2

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 7.74 AU - 10.28 AU

Year: 9978 Days

Day: 9.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 103,866,808 km

• M1: 164,558 km (0.103 R)
• M2: 608,115 km (0.113 R)
• M3: 1,054,067 km (0.104 R)
• M4: 1,487,452 km (0.062 R)
• M5: 2,945,582 km (0.097 R)
• M6: 3,856,633 km (0.059 R)
• M7: 4,589,812 km (0.099 R)
• M8: 6,234,940 km (0.062 R)
• M9: 6,675,655 km (0.042 R)
• M10: 9,331,616 km (0.114 R)
• M11: 15,312,838 km (0.067 R)
• M12: 20,952,678 km (0.082 R)
• M13: 21,868,516 km (0.106 R)
• M14: 24,525,075 km (0.109 R)
• M15: 33,260,843 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.1

Radius: 12.4

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 11.68 AU - 12.16 AU

Year: 15184 Days

Day: 7.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 103,866,808 km

• M1: 173,234 km (0.09 R)
• M2: 802,593 km (0.055 R)
• M3: 1,447,958 km (0.053 R)
• M4: 1,872,816 km (0.112 R)
• M5: 2,362,150 km (0.049 R)
• M6: 2,890,829 km (0.043 R)
• M7: 4,367,510 km (0.042 R)
• M8: 8,312,555 km (0.08 R)
• M9: 11,703,490 km (0.103 R)
• M10: 12,183,849 km (0.085 R)
• M11: 12,865,866 km (0.112 R)
• M12: 15,135,565 km (0.084 R)
• M13: 15,851,091 km (0.087 R)
• M14: 20,026,368 km (0.112 R)
• M15: 21,776,214 km (0.082 R)
• M16: 23,530,997 km (0.055 R)
• M17: 25,080,382 km (0.074 R)
• M18: 28,813,447 km (0.103 R)
• M19: 43,340,598 km (0.078 R)
• M20: 43,770,093 km (0.063 R)
• M21: 45,075,634 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.2

Radius: 3.4

Gravity: 30.29 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 12 AU - 14.52 AU

Year: 17815 Days

Day: 20.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 103,866,808 km

• M1: 42,336 km (0.029 R)
• M2: 165,904 km (0.115 R)
• M3: 314,006 km (0.106 R)
• M4: 465,997 km (0.09 R)
• M5: 763,398 km (0.097 R)
• M6: 911,201 km (0.095 R)
• M7: 1,101,639 km (0.09 R)
• M8: 2,373,669 km (0.108 R)
• M9: 3,617,426 km (0.101 R)
• M10: 4,123,516 km (0.119 R)
• M11: 4,455,025 km (0.106 R)
• M12: 4,804,036 km (0.083 R)
• M13: 5,960,727 km (0.093 R)
• M14: 6,910,225 km (0.116 R)
• M15: 7,420,802 km (0.111 R)
• M16: 8,186,594 km (0.049 R)
• M17: 8,374,190 km (0.102 R)
• M18: 9,304,539 km (0.116 R)
• M19: 10,356,212 km (0.083 R)
• M20: 11,137,711 km (0.102 R)
• M21: 11,897,967 km (0.099 R)
• M22: 12,629,950 km (0.09 R)
• M23: 14,727,462 km (0.098 R)
• M24: 17,046,079 km (0.112 R)
• M25: 18,212,045 km (0.098 R)
• M26: 20,529,017 km (0.077 R)
• M27: 22,390,313 km (0.052 R)
• M28: 23,034,931 km (0.087 R)
• M29: 27,164,580 km (0.106 R)
• M30: 29,842,681 km (0.059 R)
• M31: 29,953,383 km (0.075 R)
• M32: 32,809,356 km (0.092 R)
• M33: 34,851,666 km (0.12 R)
• M34: 36,091,833 km (0.117 R)
• M35: 39,055,067 km (0.096 R)
• M36: 39,453,147 km (0.117 R)
• M37: 46,048,020 km (0.087 R)
• M38: 46,195,822 km (0.079 R)
• M39: 47,389,464 km (0.117 R)
• M40: 52,369,427 km (0.101 R)
• M41: 55,151,649 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.9

Radius: 7.7

Gravity: 13.73 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 15.64 AU - 21.28 AU

Year: 29263 Days

Day: 22.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 103,866,808 km

• M1: 102,923 km (0.079 R)
• M2: 374,443 km (0.072 R)
• M3: 642,373 km (0.053 R)
• M4: 989,740 km (0.096 R)
• M5: 1,374,954 km (0.115 R)
• M6: 1,756,429 km (0.108 R)
• M7: 2,277,478 km (0.088 R)
• M8: 2,523,417 km (0.074 R)
• M9: 3,277,839 km (0.066 R)
• M10: 5,971,648 km (0.099 R)
• M11: 7,674,670 km (0.079 R)
• M12: 14,602,847 km (0.111 R)
• M13: 15,544,864 km (0.064 R)
• M14: 16,075,488 km (0.095 R)
• M15: 17,549,625 km (0.092 R)
• M16: 19,720,889 km (0.061 R)
• M17: 23,304,057 km (0.051 R)
• M18: 28,725,634 km (0.106 R)
• M19: 29,390,297 km (0.114 R)
• M20: 29,794,062 km (0.106 R)
• M21: 38,989,693 km (0.072 R)
• M22: 45,828,859 km (0.116 R)
• M23: 46,190,287 km (0.101 R)
• M24: 50,678,223 km (0.083 R)
• M25: 51,648,515 km (0.108 R)
• M26: 52,433,605 km (0.108 R)
• M27: 55,653,400 km (0.085 R)
• M28: 70,572,048 km (0.105 R)
• M29: 70,812,750 km (0.106 R)
• M30: 82,225,722 km (0.071 R)
• M31: 91,905,751 km (0.095 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 18,439 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit