🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.1

Radius: 14.4

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.53 AU - 0.85 AU

Year: 389 Days

Day: 6.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,252,118 km

• M1: 179,069 km (0.045 R)
• M2: 804,687 km (0.117 R)
• M3: 1,353,562 km (0.112 R)
• M4: 1,804,300 km (0.116 R)
• M5: 2,259,377 km (0.087 R)
• M6: 3,480,394 km (0.095 R)
• M7: 4,022,687 km (0.118 R)
• M8: 5,310,874 km (0.117 R)
• M9: 5,859,749 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.4

Radius: 9.1

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.26 AU - 1.26 AU

Year: 959 Days

Day: 14.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,252,118 km

• M1: 113,844 km (0.061 R)
• M2: 452,534 km (0.09 R)
• M3: 883,525 km (0.109 R)
• M4: 1,542,204 km (0.12 R)
• M5: 1,970,653 km (0.115 R)
• M6: 2,906,986 km (0.09 R)
• M7: 3,526,171 km (0.081 R)
• M8: 4,230,777 km (0.089 R)
• M9: 6,199,485 km (0.111 R)
• M10: 6,648,578 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.8

Radius: 12.4

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.18 AU - 1.82 AU

Year: 1246 Days

Day: 7 Hours

Environment

Temp: -198 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,252,118 km

• M1: 154,235 km (0.115 R)
• M2: 605,273 km (0.094 R)
• M3: 1,032,375 km (0.115 R)
• M4: 1,531,284 km (0.083 R)
• M5: 2,229,158 km (0.093 R)
• M6: 4,589,513 km (0.066 R)
• M7: 5,194,337 km (0.096 R)
• M8: 5,757,274 km (0.027 R)
• M9: 6,877,463 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.9

Radius: 11.9

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.97 AU - 2.47 AU

Year: 2243 Days

Day: 7.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,252,118 km

• M1: 148,102 km (0.026 R)
• M2: 937,231 km (0.112 R)
• M3: 1,562,999 km (0.106 R)
• M4: 2,159,894 km (0.113 R)
• M5: 3,458,404 km (0.111 R)
• M6: 3,955,069 km (0.107 R)
• M7: 4,518,604 km (0.104 R)
• M8: 5,309,079 km (0.103 R)
• M9: 6,872,227 km (0.109 R)
• M10: 8,269,022 km (0.075 R)
• M11: 8,940,418 km (0.083 R)
• M12: 9,549,131 km (0.066 R)
• M13: 10,049,087 km (0.114 R)
• M14: 12,577,890 km (0.09 R)
• M15: 13,342,784 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.2

Radius: 10.1

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.46 AU - 3.06 AU

Year: 3110 Days

Day: 8.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,252,118 km

• M1: 125,662 km (0.039 R)
• M2: 444,605 km (0.114 R)
• M3: 1,106,276 km (0.066 R)
• M4: 1,627,176 km (0.102 R)
• M5: 2,057,120 km (0.109 R)
• M6: 2,948,574 km (0.102 R)
• M7: 3,561,177 km (0.088 R)
• M8: 4,026,726 km (0.102 R)
• M9: 7,170,974 km (0.082 R)
• M10: 7,617,224 km (0.074 R)
• M11: 8,193,924 km (0.081 R)
• M12: 8,711,234 km (0.069 R)
• M13: 9,189,199 km (0.105 R)
• M14: 10,230,400 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686

Radius: 11.3

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.35 AU - 5.19 AU

Year: 7066 Days

Day: 12.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,252,118 km

• M1: 140,622 km (0.066 R)
• M2: 538,702 km (0.1 R)
• M3: 1,133,503 km (0.062 R)
• M4: 1,540,110 km (0.097 R)
• M5: 2,677,203 km (0.063 R)
• M6: 4,545,531 km (0.102 R)
• M7: 7,384,001 km (0.059 R)
• M8: 8,044,476 km (0.077 R)
• M9: 10,076,763 km (0.117 R)
• M10: 11,694,365 km (0.065 R)
• M11: 14,288,093 km (0.087 R)
• M12: 16,713,822 km (0.118 R)
• M13: 17,580,143 km (0.049 R)
• M14: 17,989,892 km (0.115 R)
• M15: 21,735,224 km (0.087 R)
• M16: 22,366,378 km (0.078 R)
• M17: 22,847,933 km (0.116 R)
• M18: 23,914,716 km (0.1 R)
• M19: 24,418,112 km (0.052 R)
• M20: 26,413,748 km (0.063 R)
• M21: 28,987,131 km (0.063 R)
• M22: 30,924,722 km (0.1 R)
• M23: 36,034,238 km (0.033 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748.3

Radius: 4.5

Gravity: 36.95 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.87 AU - 6.81 AU

Year: 9572 Days

Day: 24 Hours

Environment

Temp: -224 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 48,252,118 km

• M1: 55,950 km (0.116 R)
• M2: 208,091 km (0.074 R)
• M3: 369,208 km (0.054 R)
• M4: 661,821 km (0.114 R)
• M5: 2,162,587 km (0.103 R)
• M6: 3,075,283 km (0.118 R)
• M7: 7,766,074 km (0.114 R)
• M8: 7,980,598 km (0.094 R)
• M9: 8,421,612 km (0.114 R)
• M10: 9,160,626 km (0.092 R)
• M11: 10,093,368 km (0.052 R)
• M12: 10,661,391 km (0.052 R)
• M13: 12,376,531 km (0.112 R)
• M14: 13,147,708 km (0.104 R)
• M15: 13,824,638 km (0.106 R)
• M16: 14,524,607 km (0.073 R)
• M17: 16,766,032 km (0.094 R)
• M18: 18,306,441 km (0.119 R)
• M19: 18,840,206 km (0.029 R)
• M20: 20,585,265 km (0.116 R)
• M21: 22,695,792 km (0.066 R)
• M22: 25,413,537 km (0.085 R)
• M23: 28,543,124 km (0.099 R)
• M24: 29,989,586 km (0.085 R)
• M25: 35,319,459 km (0.102 R)
• M26: 35,790,094 km (0.06 R)
• M27: 36,744,079 km (0.09 R)
• M28: 37,592,449 km (0.067 R)
• M29: 37,960,160 km (0.088 R)
• M30: 39,961,331 km (0.091 R)
• M31: 40,344,152 km (0.091 R)
• M32: 41,117,274 km (0.109 R)
• M33: 44,993,504 km (0.113 R)
• M34: 46,525,387 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 933.1

Radius: 6.8

Gravity: 20.18 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.03 AU - 6.87 AU

Year: 11110 Days

Day: 20.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,252,118 km

• M1: 84,822 km (0.119 R)
• M2: 359,334 km (0.108 R)
• M3: 596,746 km (0.052 R)
• M4: 1,217,278 km (0.096 R)
• M5: 1,699,432 km (0.047 R)
• M6: 2,243,519 km (0.12 R)
• M7: 4,705,003 km (0.073 R)
• M8: 5,270,931 km (0.093 R)
• M9: 5,588,378 km (0.092 R)
• M10: 6,862,802 km (0.102 R)
• M11: 8,367,458 km (0.079 R)
• M12: 12,013,008 km (0.115 R)
• M13: 13,714,534 km (0.091 R)
• M14: 16,746,584 km (0.116 R)
• M15: 18,700,332 km (0.057 R)
• M16: 22,407,667 km (0.069 R)
• M17: 26,169,156 km (0.065 R)
• M18: 26,989,700 km (0.078 R)
• M19: 31,695,450 km (0.099 R)
• M20: 40,750,759 km (0.052 R)
• M21: 41,575,193 km (0.08 R)
• M22: 44,547,703 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639.8

Radius: 6.6

Gravity: 14.69 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.01 AU - 7.89 AU

Year: 13792 Days

Day: 18.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 48,252,118 km

• M1: 82,279 km (0.093 R)
• M2: 315,053 km (0.092 R)
• M3: 751,281 km (0.075 R)
• M4: 1,054,665 km (0.106 R)
• M5: 1,382,135 km (0.104 R)
• M6: 1,710,801 km (0.084 R)
• M7: 2,832,187 km (0.108 R)
• M8: 3,163,696 km (0.055 R)
• M9: 3,933,227 km (0.095 R)
• M10: 4,346,566 km (0.12 R)
• M11: 4,953,335 km (0.03 R)
• M12: 5,873,362 km (0.103 R)
• M13: 9,674,644 km (0.114 R)
• M14: 11,688,231 km (0.047 R)
• M15: 14,100,048 km (0.12 R)
• M16: 14,716,391 km (0.062 R)
• M17: 15,279,179 km (0.069 R)
• M18: 16,076,386 km (0.102 R)
• M19: 16,673,281 km (0.102 R)
• M20: 17,990,640 km (0.117 R)
• M21: 19,043,809 km (0.109 R)
• M22: 22,634,307 km (0.036 R)
• M23: 23,764,819 km (0.076 R)
• M24: 28,773,355 km (0.064 R)
• M25: 29,987,043 km (0.106 R)
• M26: 30,436,734 km (0.075 R)
• M27: 34,319,996 km (0.1 R)
• M28: 36,955,760 km (0.109 R)
• M29: 40,129,778 km (0.106 R)
• M30: 48,695,453 km (0.104 R)
• M31: 50,575,001 km (0.053 R)
• M32: 53,649,088 km (0.066 R)
• M33: 56,674,106 km (0.038 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.2

Radius: 5.9

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.16 AU - 8.62 AU

Year: 16483 Days

Day: 20.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,252,118 km

• M1: 74,949 km (0.045 R)
• M2: 270,772 km (0.063 R)
• M3: 629,508 km (0.112 R)
• M4: 1,453,792 km (0.073 R)
• M5: 2,051,735 km (0.097 R)
• M6: 2,302,461 km (0.082 R)
• M7: 5,368,320 km (0.1 R)
• M8: 7,451,021 km (0.083 R)
• M9: 10,324,647 km (0.062 R)
• M10: 11,389,783 km (0.091 R)
• M11: 11,779,336 km (0.113 R)
• M12: 12,467,786 km (0.074 R)
• M13: 14,693,952 km (0.109 R)
• M14: 15,289,202 km (0.106 R)
• M15: 17,758,015 km (0.066 R)
• M16: 18,357,304 km (0.118 R)
• M17: 20,725,738 km (0.114 R)
• M18: 22,586,735 km (0.116 R)
• M19: 23,737,293 km (0.079 R)
• M20: 26,154,645 km (0.049 R)
• M21: 28,122,156 km (0.076 R)
• M22: 28,324,262 km (0.114 R)
• M23: 30,611,015 km (0.086 R)
• M24: 31,908,777 km (0.026 R)
• M25: 33,923,561 km (0.103 R)
• M26: 35,548,044 km (0.078 R)
• M27: 37,345,463 km (0.06 R)
• M28: 38,328,321 km (0.076 R)
• M29: 41,380,566 km (0.067 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 11,707 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit