🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.01 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.62 AU - 2.42 AU

Year: 899 Days

Day: 28.8 Hours

Environment

Temp: 2 °C

Axial Tilt: 22.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 89,064,716 km

• M1: 42,486 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.68 AU - 2.76 AU

Year: 1405 Days

Day: 40 Hours

Environment

Temp: -37 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.51 AU - 3.29 AU

Year: 1547 Days

Day: 12 Hours

Environment

Temp: -43 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.73 AU - 4.67 AU

Year: 2696 Days

Day: 17.1 Hours

Environment

Temp: -80 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,064,716 km

• M1: 1,199,625 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.1

Radius: 14.6

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 7.26 AU - 10.3 AU

Year: 8148 Days

Day: 9.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 89,064,716 km

• M1: 199,863 km (0.105 R)
• M2: 596,148 km (0.116 R)
• M3: 959,521 km (0.088 R)
• M4: 1,678,039 km (0.066 R)
• M5: 1,957,787 km (0.052 R)
• M6: 2,898,160 km (0.062 R)
• M7: 4,113,941 km (0.108 R)
• M8: 5,058,353 km (0.071 R)
• M9: 5,764,754 km (0.034 R)
• M10: 7,286,314 km (0.077 R)
• M11: 7,739,595 km (0.118 R)
• M12: 8,650,497 km (0.039 R)
• M13: 8,991,131 km (0.102 R)
• M14: 10,093,668 km (0.062 R)
• M15: 13,839,149 km (0.095 R)
• M16: 14,222,569 km (0.097 R)
• M17: 14,562,306 km (0.095 R)
• M18: 16,529,817 km (0.089 R)
• M19: 17,373,399 km (0.026 R)
• M20: 18,292,977 km (0.108 R)
• M21: 19,012,393 km (0.1 R)
• M22: 19,292,889 km (0.084 R)
• M23: 21,313,807 km (0.095 R)
• M24: 22,271,533 km (0.103 R)
• M25: 25,855,898 km (0.118 R)
• M26: 26,248,891 km (0.102 R)
• M27: 28,738,200 km (0.106 R)
• M28: 29,221,850 km (0.103 R)
• M29: 29,500,102 km (0.096 R)
• M30: 30,911,109 km (0.115 R)
• M31: 33,089,852 km (0.104 R)
• M32: 33,832,755 km (0.087 R)
• M33: 34,357,694 km (0.088 R)
• M34: 35,266,950 km (0.111 R)
• M35: 37,908,100 km (0.102 R)
• M36: 38,384,121 km (0.083 R)
• M37: 39,830,134 km (0.075 R)
• M38: 40,399,803 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.6

Radius: 12.5

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 8.36 AU - 13.58 AU

Year: 11380 Days

Day: 14.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,064,716 km

• M1: 186,549 km (0.113 R)
• M2: 653,294 km (0.119 R)
• M3: 1,026,690 km (0.103 R)
• M4: 3,215,157 km (0.064 R)
• M5: 4,210,881 km (0.103 R)
• M6: 7,510,412 km (0.099 R)
• M7: 9,729,546 km (0.056 R)
• M8: 10,804,108 km (0.093 R)
• M9: 12,704,898 km (0.092 R)
• M10: 15,214,552 km (0.107 R)
• M11: 15,558,777 km (0.098 R)
• M12: 19,927,035 km (0.116 R)
• M13: 21,053,806 km (0.081 R)
• M14: 29,975,524 km (0.115 R)
• M15: 30,702,270 km (0.078 R)
• M16: 31,520,122 km (0.1 R)
• M17: 34,553,667 km (0.093 R)
• M18: 35,946,872 km (0.078 R)
• M19: 40,106,441 km (0.076 R)
• M20: 42,081,432 km (0.119 R)
• M21: 45,182,446 km (0.092 R)
• M22: 49,833,893 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 14.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.5

Radius: 8.9

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 13.46 AU - 16.38 AU

Year: 18050 Days

Day: 12.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 89,064,716 km

• M1: 152,440 km (0.094 R)
• M2: 497,114 km (0.104 R)
• M3: 862,432 km (0.114 R)
• M4: 1,122,882 km (0.093 R)
• M5: 1,497,923 km (0.055 R)
• M6: 3,437,609 km (0.08 R)
• M7: 4,258,603 km (0.065 R)
• M8: 4,633,196 km (0.091 R)
• M9: 5,506,698 km (0.045 R)
• M10: 6,833,481 km (0.087 R)
• M11: 9,121,431 km (0.078 R)
• M12: 11,356,722 km (0.12 R)
• M13: 12,595,991 km (0.094 R)
• M14: 13,358,641 km (0.096 R)
• M15: 13,960,772 km (0.119 R)
• M16: 14,144,030 km (0.111 R)
• M17: 14,638,600 km (0.099 R)
• M18: 15,332,585 km (0.106 R)
• M19: 17,375,344 km (0.101 R)
• M20: 20,421,905 km (0.11 R)
• M21: 21,240,953 km (0.101 R)
• M22: 22,693,847 km (0.114 R)
• M23: 28,116,022 km (0.086 R)
• M24: 28,376,323 km (0.074 R)
• M25: 29,341,079 km (0.117 R)
• M26: 29,874,096 km (0.062 R)
• M27: 32,985,882 km (0.068 R)
• M28: 35,275,477 km (0.112 R)
• M29: 37,142,758 km (0.093 R)
• M30: 37,342,022 km (0.11 R)
• M31: 38,144,914 km (0.057 R)
• M32: 43,141,483 km (0.051 R)
• M33: 48,105,888 km (0.097 R)
• M34: 50,747,936 km (0.066 R)
• M35: 52,390,670 km (0.116 R)
• M36: 55,754,977 km (0.045 R)
• M37: 57,352,682 km (0.038 R)
• M38: 60,998,233 km (0.097 R)
• M39: 64,493,437 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812

Radius: 7.3

Gravity: 15.24 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 14.4 AU - 20.94 AU

Year: 23264 Days

Day: 16.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 89,064,716 km

• M1: 110,852 km (0.032 R)
• M2: 646,113 km (0.099 R)
• M3: 1,247,048 km (0.111 R)
• M4: 1,393,504 km (0.036 R)
• M5: 2,425,879 km (0.102 R)
• M6: 2,601,956 km (0.077 R)
• M7: 3,037,884 km (0.06 R)
• M8: 3,370,739 km (0.064 R)
• M9: 4,436,325 km (0.103 R)
• M10: 5,258,515 km (0.093 R)
• M11: 5,475,132 km (0.079 R)
• M12: 6,198,289 km (0.061 R)
• M13: 7,166,336 km (0.042 R)
• M14: 8,259,448 km (0.093 R)
• M15: 8,476,515 km (0.118 R)
• M16: 8,696,423 km (0.106 R)
• M17: 9,546,588 km (0.067 R)
• M18: 10,804,108 km (0.083 R)
• M19: 12,536,152 km (0.034 R)
• M20: 13,972,890 km (0.096 R)
• M21: 14,756,932 km (0.059 R)
• M22: 17,394,492 km (0.107 R)
• M23: 22,068,079 km (0.08 R)
• M24: 22,423,374 km (0.111 R)
• M25: 25,177,920 km (0.085 R)
• M26: 26,131,756 km (0.084 R)
• M27: 34,846,281 km (0.099 R)
• M28: 37,797,996 km (0.068 R)
• M29: 47,116,149 km (0.07 R)
• M30: 50,405,955 km (0.119 R)
• M31: 54,918,725 km (0.061 R)
• M32: 56,041,906 km (0.067 R)
• M33: 61,237,290 km (0.099 R)
• M34: 61,532,746 km (0.062 R)
• M35: 61,977,201 km (0.1 R)
• M36: 65,895,917 km (0.06 R)
• M37: 66,048,956 km (0.069 R)
• M38: 69,148,923 km (0.109 R)
• M39: 76,713,638 km (0.09 R)
• M40: 78,875,477 km (0.057 R)
• M41: 85,890,421 km (0.094 R)
• M42: 87,470,324 km (0.114 R)
• M43: 89,064,738 km (0.104 R)

Kuiper Belt

Range: 35 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 14,557 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit