🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.68 AU - 0.9 AU

Year: 262 Days

Day: 44.7 Hours

Environment

Temp: 102 °C

Axial Tilt: 7.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.96 AU - 1.12 AU

Year: 395 Days

Day: 26.5 Hours

Environment

Temp: 4 °C

Axial Tilt: 166.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.54 AU - 1.86 AU

Year: 826 Days

Day: 23.8 Hours

Environment

Temp: -50 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.73 AU - 4.47 AU

Year: 2546 Days

Day: 28.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,696,106 km

• M1: 37,399 km (0.078 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.03 AU - 4.27 AU

Year: 3152 Days

Day: 45 Hours

Environment

Temp: -138 °C

Axial Tilt: 30 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748

Radius: 9.9

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.49 AU - 8.49 AU

Year: 6889 Days

Day: 14.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,696,106 km

• M1: 126,410 km (0.089 R)
• M2: 680,670 km (0.115 R)
• M3: 993,031 km (0.104 R)
• M4: 1,357,301 km (0.115 R)
• M5: 1,712,896 km (0.085 R)
• M6: 2,382,196 km (0.099 R)
• M7: 2,729,712 km (0.101 R)
• M8: 3,459,750 km (0.09 R)
• M9: 4,262,343 km (0.074 R)
• M10: 4,610,756 km (0.111 R)
• M11: 5,426,663 km (0.061 R)
• M12: 7,230,663 km (0.114 R)
• M13: 9,811,376 km (0.103 R)
• M14: 10,614,418 km (0.102 R)
• M15: 11,007,112 km (0.116 R)
• M16: 12,190,730 km (0.073 R)
• M17: 13,118,536 km (0.08 R)
• M18: 16,771,866 km (0.073 R)
• M19: 18,406,073 km (0.116 R)
• M20: 18,759,423 km (0.119 R)
• M21: 19,920,901 km (0.074 R)
• M22: 21,284,037 km (0.094 R)
• M23: 26,010,731 km (0.111 R)
• M24: 29,911,047 km (0.043 R)
• M25: 30,894,055 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.6

Radius: 9.4

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7.06 AU - 11.28 AU

Year: 10352 Days

Day: 9.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,696,106 km

• M1: 116,986 km (0.109 R)
• M2: 417,528 km (0.097 R)
• M3: 880,832 km (0.093 R)
• M4: 1,627,176 km (0.061 R)
• M5: 1,955,394 km (0.092 R)
• M6: 2,965,179 km (0.096 R)
• M7: 4,798,501 km (0.045 R)
• M8: 6,191,557 km (0.085 R)
• M9: 6,684,930 km (0.035 R)
• M10: 7,664,497 km (0.075 R)
• M11: 8,644,064 km (0.066 R)
• M12: 10,371,022 km (0.038 R)
• M13: 10,688,618 km (0.084 R)
• M14: 11,012,797 km (0.088 R)
• M15: 11,511,407 km (0.054 R)
• M16: 14,039,611 km (0.034 R)
• M17: 15,501,780 km (0.094 R)
• M18: 16,916,677 km (0.117 R)
• M19: 19,920,153 km (0.114 R)
• M20: 23,898,858 km (0.067 R)
• M21: 36,098,415 km (0.086 R)
• M22: 41,424,099 km (0.119 R)
• M23: 43,858,505 km (0.068 R)
• M24: 45,251,561 km (0.092 R)
• M25: 45,958,859 km (0.088 R)
• M26: 47,686,864 km (0.066 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.8

Radius: 9.1

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 11 AU - 13.06 AU

Year: 15554 Days

Day: 7.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 90.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,696,106 km

• M1: 114,891 km (0.082 R)
• M2: 398,978 km (0.086 R)
• M3: 788,082 km (0.119 R)
• M4: 1,082,640 km (0.088 R)
• M5: 1,920,687 km (0.087 R)
• M6: 2,631,127 km (0.039 R)
• M7: 4,000,097 km (0.089 R)
• M8: 4,328,016 km (0.077 R)
• M9: 4,952,587 km (0.113 R)
• M10: 6,414,457 km (0.065 R)
• M11: 7,153,022 km (0.108 R)
• M12: 8,065,120 km (0.092 R)
• M13: 8,426,549 km (0.097 R)
• M14: 8,715,123 km (0.088 R)
• M15: 9,800,007 km (0.042 R)
• M16: 13,094,002 km (0.102 R)
• M17: 14,572,927 km (0.059 R)
• M18: 17,258,209 km (0.049 R)
• M19: 20,330,500 km (0.085 R)
• M20: 23,021,168 km (0.114 R)
• M21: 23,831,539 km (0.087 R)
• M22: 24,160,954 km (0.083 R)
• M23: 29,004,334 km (0.09 R)
• M24: 31,306,945 km (0.104 R)
• M25: 33,316,643 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.2

Radius: 5.9

Gravity: 27.73 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 12.86 AU - 13.72 AU

Year: 18061 Days

Day: 17.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,696,106 km

• M1: 74,051 km (0.056 R)
• M2: 457,769 km (0.102 R)
• M3: 779,555 km (0.105 R)
• M4: 1,029,533 km (0.074 R)
• M5: 1,640,640 km (0.107 R)
• M6: 2,096,764 km (0.12 R)
• M7: 3,314,640 km (0.119 R)
• M8: 4,272,216 km (0.072 R)
• M9: 4,477,015 km (0.063 R)
• M10: 4,724,151 km (0.09 R)
• M11: 5,481,116 km (0.09 R)
• M12: 8,552,959 km (0.078 R)
• M13: 10,206,464 km (0.12 R)
• M14: 10,511,644 km (0.08 R)
• M15: 13,105,073 km (0.034 R)
• M16: 14,434,250 km (0.073 R)
• M17: 19,419,300 km (0.029 R)
• M18: 19,605,998 km (0.095 R)
• M19: 20,750,870 km (0.043 R)
• M20: 24,561,128 km (0.081 R)
• M21: 27,267,054 km (0.062 R)
• M22: 33,262,787 km (0.079 R)
• M23: 41,609,451 km (0.062 R)
• M24: 44,620,407 km (0.108 R)
• M25: 48,455,798 km (0.102 R)
• M26: 49,317,631 km (0.096 R)
• M27: 62,479,850 km (0.079 R)
• M28: 77,097,357 km (0.108 R)
• M29: 77,800,467 km (0.102 R)
• M30: 78,035,635 km (0.119 R)
• M31: 78,271,551 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 16,559 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit