🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.84 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.67 AU - 1.67 AU

Year: 777 Days

Day: 23.8 Hours

Environment

Temp: -47 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.18 AU - 4.2 AU

Year: 2551 Days

Day: 38 Hours

Environment

Temp: -106 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,889,817 km

• M1: 1,083,238 km (0.079 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.88 AU - 4.62 AU

Year: 3153 Days

Day: 33.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 62.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.59 AU - 5.81 AU

Year: 3667 Days

Day: 32.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,889,817 km

• M1: 99,483 km (0.048 R)

Asteroid Belt

Center: 5.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29

Radius: 9

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.43 AU - 7.79 AU

Year: 6116 Days

Day: 5.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,889,817 km

• M1: 112,198 km (0.056 R)
• M2: 525,089 km (0.092 R)
• M3: 933,790 km (0.089 R)
• M4: 1,357,900 km (0.091 R)
• M5: 2,228,709 km (0.12 R)
• M6: 2,726,571 km (0.093 R)
• M7: 3,978,555 km (0.091 R)
• M8: 5,388,216 km (0.117 R)
• M9: 6,905,887 km (0.08 R)
• M10: 8,349,805 km (0.042 R)
• M11: 10,207,512 km (0.117 R)
• M12: 10,894,914 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.9

Radius: 15

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.95 AU - 8.39 AU

Year: 6910 Days

Day: 10.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,889,817 km

• M1: 186,549 km (0.102 R)
• M2: 877,392 km (0.119 R)
• M3: 1,932,655 km (0.09 R)
• M4: 2,517,882 km (0.084 R)
• M5: 3,243,132 km (0.1 R)
• M6: 4,343,425 km (0.06 R)
• M7: 5,877,551 km (0.085 R)
• M8: 6,750,754 km (0.052 R)
• M9: 7,276,740 km (0.051 R)
• M10: 8,756,263 km (0.06 R)
• M11: 9,801,802 km (0.083 R)
• M12: 10,330,481 km (0.075 R)
• M13: 13,617,296 km (0.062 R)
• M14: 14,957,394 km (0.072 R)
• M15: 16,250,368 km (0.094 R)
• M16: 18,112,861 km (0.029 R)
• M17: 19,431,118 km (0.116 R)
• M18: 20,267,819 km (0.095 R)
• M19: 20,891,193 km (0.087 R)
• M20: 25,171,338 km (0.075 R)
• M21: 25,801,145 km (0.107 R)
• M22: 27,186,271 km (0.112 R)
• M23: 36,100,360 km (0.103 R)
• M24: 38,421,670 km (0.06 R)
• M25: 40,226,867 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.6

Radius: 12.7

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.59 AU - 8.81 AU

Year: 6953 Days

Day: 11.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,889,817 km

• M1: 158,424 km (0.111 R)
• M2: 644,468 km (0.088 R)
• M3: 1,051,673 km (0.114 R)
• M4: 1,482,964 km (0.111 R)
• M5: 2,066,545 km (0.035 R)
• M6: 2,820,069 km (0.074 R)
• M7: 3,239,691 km (0.108 R)
• M8: 3,774,205 km (0.059 R)
• M9: 4,367,211 km (0.054 R)
• M10: 5,806,641 km (0.12 R)
• M11: 6,211,603 km (0.093 R)
• M12: 8,190,184 km (0.11 R)
• M13: 8,700,911 km (0.102 R)
• M14: 9,833,666 km (0.088 R)
• M15: 11,216,250 km (0.097 R)
• M16: 12,390,593 km (0.039 R)
• M17: 13,469,343 km (0.102 R)
• M18: 16,273,256 km (0.119 R)
• M19: 19,148,079 km (0.032 R)
• M20: 20,744,587 km (0.073 R)
• M21: 23,514,990 km (0.081 R)
• M22: 24,461,795 km (0.052 R)
• M23: 25,793,665 km (0.045 R)
• M24: 26,523,403 km (0.099 R)
• M25: 27,549,345 km (0.061 R)
• M26: 29,186,545 km (0.1 R)
• M27: 31,918,950 km (0.028 R)
• M28: 33,293,605 km (0.072 R)
• M29: 34,597,051 km (0.108 R)
• M30: 35,821,659 km (0.07 R)
• M31: 39,789,443 km (0.09 R)
• M32: 41,629,647 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.2

Radius: 10.9

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.95 AU - 11.37 AU

Year: 11655 Days

Day: 8.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,889,817 km

• M1: 135,536 km (0.119 R)
• M2: 564,433 km (0.094 R)
• M3: 1,009,935 km (0.085 R)
• M4: 1,612,964 km (0.077 R)
• M5: 3,183,592 km (0.099 R)
• M6: 3,673,525 km (0.08 R)
• M7: 5,487,699 km (0.07 R)
• M8: 6,590,534 km (0.106 R)
• M9: 6,961,238 km (0.103 R)
• M10: 11,070,093 km (0.059 R)
• M11: 12,507,579 km (0.12 R)
• M12: 14,201,326 km (0.067 R)
• M13: 16,640,519 km (0.081 R)
• M14: 17,330,315 km (0.098 R)
• M15: 20,980,054 km (0.112 R)
• M16: 24,716,261 km (0.084 R)
• M17: 25,212,477 km (0.099 R)
• M18: 27,900,900 km (0.046 R)
• M19: 28,656,071 km (0.113 R)
• M20: 31,930,918 km (0.113 R)
• M21: 36,588,946 km (0.12 R)
• M22: 38,413,442 km (0.111 R)
• M23: 41,124,006 km (0.074 R)
• M24: 42,667,856 km (0.114 R)
• M25: 45,277,142 km (0.109 R)
• M26: 46,319,989 km (0.119 R)
• M27: 49,544,571 km (0.086 R)
• M28: 54,406,502 km (0.108 R)
• M29: 56,095,312 km (0.118 R)
• M30: 58,693,677 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 919.6

Radius: 5.6

Gravity: 29.32 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 15.35 AU - 16.69 AU

Year: 23076 Days

Day: 23.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,889,817 km

• M1: 70,161 km (0.081 R)
• M2: 400,174 km (0.103 R)
• M3: 607,816 km (0.111 R)
• M4: 1,767,349 km (0.109 R)
• M5: 2,138,801 km (0.103 R)
• M6: 3,385,549 km (0.117 R)
• M7: 4,374,541 km (0.086 R)
• M8: 5,627,573 km (0.113 R)
• M9: 7,929,435 km (0.067 R)
• M10: 8,145,754 km (0.1 R)
• M11: 10,466,316 km (0.12 R)
• M12: 17,702,365 km (0.119 R)
• M13: 18,353,116 km (0.066 R)
• M14: 19,900,107 km (0.107 R)
• M15: 23,472,205 km (0.103 R)
• M16: 23,918,605 km (0.052 R)
• M17: 29,596,742 km (0.08 R)
• M18: 30,644,974 km (0.109 R)
• M19: 33,373,340 km (0.11 R)
• M20: 37,915,580 km (0.101 R)
• M21: 44,362,949 km (0.115 R)
• M22: 46,430,691 km (0.117 R)
• M23: 50,943,460 km (0.097 R)
• M24: 51,316,558 km (0.1 R)
• M25: 67,333,254 km (0.097 R)
• M26: 69,371,375 km (0.102 R)
• M27: 77,442,180 km (0.057 R)
• M28: 80,939,778 km (0.115 R)
• M29: 82,213,903 km (0.075 R)
• M30: 86,911,725 km (0.029 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.8

Radius: 3.4

Gravity: 18.15 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 16.86 AU - 22.26 AU

Year: 31133 Days

Day: 15.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,889,817 km

• M1: 74,949 km (0.025 R)
• M2: 186,698 km (0.116 R)
• M3: 745,745 km (0.065 R)
• M4: 1,738,776 km (0.105 R)
• M5: 1,919,789 km (0.11 R)
• M6: 2,073,576 km (0.088 R)
• M7: 2,256,235 km (0.111 R)
• M8: 2,869,437 km (0.115 R)
• M9: 3,362,661 km (0.096 R)
• M10: 4,126,208 km (0.054 R)
• M11: 4,415,531 km (0.106 R)
• M12: 4,998,663 km (0.09 R)
• M13: 5,253,129 km (0.072 R)
• M14: 5,554,419 km (0.106 R)
• M15: 7,054,288 km (0.114 R)
• M16: 7,514,451 km (0.055 R)
• M17: 9,068,025 km (0.104 R)
• M18: 10,176,545 km (0.031 R)
• M19: 10,823,107 km (0.114 R)
• M20: 11,310,347 km (0.115 R)
• M21: 11,812,098 km (0.103 R)
• M22: 12,592,102 km (0.078 R)
• M23: 20,197,807 km (0.095 R)
• M24: 22,074,363 km (0.09 R)
• M25: 24,166,638 km (0.109 R)
• M26: 26,062,043 km (0.034 R)
• M27: 34,375,048 km (0.117 R)
• M28: 39,408,417 km (0.115 R)
• M29: 42,025,483 km (0.112 R)
• M30: 42,772,574 km (0.095 R)
• M31: 46,481,704 km (0.101 R)
• M32: 60,763,962 km (0.117 R)
• M33: 61,718,696 km (0.048 R)
• M34: 62,683,453 km (0.117 R)
• M35: 65,039,619 km (0.104 R)

Kuiper Belt

Range: 30.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 13,035 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit