🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.9

Radius: 8.7

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.43 AU - 1.67 AU

Year: 1356 Days

Day: 11.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,194,931 km

• M1: 111,151 km (0.097 R)
• M2: 528,080 km (0.12 R)
• M3: 1,045,540 km (0.092 R)
• M4: 1,472,043 km (0.114 R)
• M5: 2,100,354 km (0.109 R)
• M6: 2,813,188 km (0.088 R)
• M7: 3,098,770 km (0.085 R)
• M8: 3,531,258 km (0.062 R)
• M9: 3,864,412 km (0.066 R)
• M10: 4,460,261 km (0.081 R)
• M11: 4,790,423 km (0.097 R)
• M12: 5,095,154 km (0.108 R)
• M13: 5,676,790 km (0.076 R)
• M14: 6,065,146 km (0.072 R)
• M15: 6,818,970 km (0.117 R)
• M16: 7,337,626 km (0.088 R)
• M17: 8,541,889 km (0.089 R)
• M18: 9,021,948 km (0.044 R)
• M19: 10,435,349 km (0.117 R)
• M20: 11,301,371 km (0.043 R)
• M21: 13,136,339 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.3

Radius: 8.3

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.61 AU - 2.97 AU

Year: 3276 Days

Day: 10.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,194,931 km

• M1: 103,821 km (0.109 R)
• M2: 362,176 km (0.08 R)
• M3: 765,492 km (0.07 R)
• M4: 1,052,271 km (0.103 R)
• M5: 1,377,497 km (0.1 R)
• M6: 2,140,297 km (0.044 R)
• M7: 2,682,888 km (0.092 R)
• M8: 3,128,839 km (0.105 R)
• M9: 3,828,359 km (0.028 R)
• M10: 4,095,541 km (0.091 R)
• M11: 4,356,290 km (0.071 R)
• M12: 5,184,464 km (0.045 R)
• M13: 5,579,701 km (0.094 R)
• M14: 6,580,362 km (0.096 R)
• M15: 7,950,678 km (0.066 R)
• M16: 8,476,963 km (0.117 R)
• M17: 9,214,481 km (0.086 R)
• M18: 10,434,451 km (0.038 R)
• M19: 10,923,038 km (0.071 R)
• M20: 13,111,206 km (0.093 R)
• M21: 13,804,293 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.2

Radius: 10.9

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.91 AU - 2.99 AU

Year: 3562 Days

Day: 8.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 25,194,931 km

• M1: 135,536 km (0.079 R)
• M2: 1,002,605 km (0.063 R)
• M3: 1,772,735 km (0.07 R)
• M4: 2,115,015 km (0.103 R)
• M5: 2,533,590 km (0.094 R)
• M6: 4,134,436 km (0.071 R)
• M7: 4,894,244 km (0.109 R)
• M8: 5,334,361 km (0.037 R)
• M9: 5,857,654 km (0.104 R)
• M10: 6,264,860 km (0.118 R)
• M11: 6,753,297 km (0.078 R)
• M12: 8,086,513 km (0.08 R)
• M13: 8,740,704 km (0.074 R)
• M14: 9,508,590 km (0.091 R)
• M15: 9,949,754 km (0.085 R)
• M16: 10,404,532 km (0.087 R)
• M17: 11,715,907 km (0.073 R)
• M18: 12,601,526 km (0.088 R)
• M19: 13,936,089 km (0.042 R)
• M20: 15,145,438 km (0.094 R)
• M21: 16,884,364 km (0.11 R)
• M22: 17,651,801 km (0.109 R)
• M23: 20,356,680 km (0.049 R)
• M24: 21,225,993 km (0.086 R)
• M25: 22,611,569 km (0.071 R)
• M26: 24,952,626 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.4

Radius: 9.1

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.76 AU - 3.84 AU

Year: 4214 Days

Day: 5.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,194,931 km

• M1: 113,395 km (0.107 R)
• M2: 488,736 km (0.098 R)
• M3: 1,481,617 km (0.062 R)
• M4: 3,275,745 km (0.084 R)
• M5: 4,027,324 km (0.112 R)
• M6: 4,766,487 km (0.071 R)
• M7: 5,612,912 km (0.081 R)
• M8: 6,258,577 km (0.087 R)
• M9: 7,272,401 km (0.12 R)
• M10: 7,769,964 km (0.073 R)
• M11: 8,649,749 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.5

Radius: 8.2

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.8 AU - 3.84 AU

Year: 4252 Days

Day: 7.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,194,931 km

• M1: 104,868 km (0.079 R)
• M2: 957,726 km (0.11 R)
• M3: 1,218,475 km (0.1 R)
• M4: 1,701,227 km (0.048 R)
• M5: 2,167,972 km (0.115 R)
• M6: 2,524,763 km (0.093 R)
• M7: 3,281,429 km (0.063 R)
• M8: 6,459,636 km (0.049 R)
• M9: 8,392,141 km (0.105 R)
• M10: 9,094,055 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482

Radius: 14.2

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.9 AU - 4.24 AU

Year: 4741 Days

Day: 12.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,194,931 km

• M1: 176,825 km (0.095 R)
• M2: 650,302 km (0.061 R)
• M3: 1,101,788 km (0.069 R)
• M4: 1,657,395 km (0.107 R)
• M5: 2,507,111 km (0.082 R)
• M6: 2,953,361 km (0.051 R)
• M7: 4,163,608 km (0.051 R)
• M8: 5,357,698 km (0.106 R)
• M9: 6,342,501 km (0.103 R)
• M10: 7,053,390 km (0.115 R)
• M11: 7,680,055 km (0.052 R)
• M12: 9,352,859 km (0.092 R)
• M13: 10,275,130 km (0.119 R)
• M14: 11,169,426 km (0.105 R)
• M15: 11,613,283 km (0.027 R)
• M16: 13,260,355 km (0.085 R)
• M17: 17,603,032 km (0.098 R)
• M18: 18,205,163 km (0.111 R)
• M19: 19,260,576 km (0.093 R)
• M20: 25,769,280 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.9

Radius: 13.2

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.67 AU - 5.33 AU

Year: 7859 Days

Day: 13.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 25,194,931 km

• M1: 169,494 km (0.099 R)
• M2: 750,084 km (0.055 R)
• M3: 1,409,511 km (0.076 R)
• M4: 2,545,857 km (0.102 R)
• M5: 3,011,854 km (0.094 R)
• M6: 3,604,710 km (0.114 R)
• M7: 4,515,612 km (0.089 R)
• M8: 5,114,751 km (0.066 R)
• M9: 6,614,021 km (0.092 R)
• M10: 7,426,936 km (0.049 R)
• M11: 8,900,026 km (0.073 R)
• M12: 9,614,057 km (0.11 R)
• M13: 10,511,345 km (0.09 R)
• M14: 12,147,646 km (0.104 R)
• M15: 13,597,549 km (0.086 R)
• M16: 14,364,388 km (0.083 R)
• M17: 17,175,631 km (0.106 R)
• M18: 18,710,654 km (0.105 R)
• M19: 19,808,553 km (0.103 R)
• M20: 20,411,433 km (0.097 R)
• M21: 23,864,002 km (0.047 R)
• M22: 25,154,882 km (0.04 R)
• M23: 25,951,491 km (0.086 R)
• M24: 32,006,165 km (0.096 R)
• M25: 33,363,317 km (0.11 R)
• M26: 34,109,661 km (0.045 R)
• M27: 35,195,293 km (0.112 R)
• M28: 38,473,880 km (0.115 R)
• M29: 39,412,905 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 694.3

Radius: 7.4

Gravity: 12.68 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 8.48 AU - 10.74 AU

Year: 20941 Days

Day: 24.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 155.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 25,194,931 km

• M1: 92,451 km (0.114 R)
• M2: 458,667 km (0.111 R)
• M3: 941,719 km (0.111 R)
• M4: 1,235,529 km (0.064 R)
• M5: 1,838,558 km (0.097 R)
• M6: 2,092,425 km (0.118 R)
• M7: 2,623,348 km (0.101 R)
• M8: 3,409,485 km (0.074 R)
• M9: 4,725,647 km (0.117 R)
• M10: 5,054,762 km (0.108 R)
• M11: 6,263,663 km (0.075 R)
• M12: 6,982,032 km (0.104 R)
• M13: 7,704,290 km (0.116 R)
• M14: 8,369,552 km (0.117 R)
• M15: 11,482,833 km (0.074 R)
• M16: 13,404,268 km (0.099 R)
• M17: 14,593,422 km (0.112 R)
• M18: 15,690,423 km (0.106 R)
• M19: 16,259,045 km (0.066 R)
• M20: 24,952,775 km (0.067 R)
• M21: 27,792,592 km (0.116 R)
• M22: 30,714,687 km (0.105 R)
• M23: 31,990,457 km (0.08 R)
• M24: 32,380,010 km (0.05 R)
• M25: 38,755,872 km (0.074 R)
• M26: 41,616,931 km (0.029 R)
• M27: 42,081,133 km (0.03 R)
• M28: 46,416,031 km (0.1 R)
• M29: 53,007,911 km (0.067 R)
• M30: 63,409,301 km (0.1 R)
• M31: 70,830,553 km (0.118 R)
• M32: 75,549,917 km (0.114 R)
• M33: 77,635,161 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20.5

Radius: 5.3

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.87 AU - 11.01 AU

Year: 22029 Days

Day: 17.3 Hours

Environment

Temp: -245 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,194,931 km

• M1: 86,767 km (0.051 R)
• M2: 308,770 km (0.042 R)
• M3: 538,852 km (0.088 R)
• M4: 1,010,683 km (0.081 R)
• M5: 1,277,865 km (0.053 R)
• M6: 1,698,385 km (0.066 R)
• M7: 1,914,404 km (0.107 R)
• M8: 3,764,780 km (0.064 R)
• M9: 4,246,784 km (0.112 R)
• M10: 7,967,283 km (0.06 R)
• M11: 12,739,904 km (0.111 R)
• M12: 13,420,575 km (0.1 R)
• M13: 16,161,208 km (0.025 R)
• M14: 20,738,454 km (0.083 R)
• M15: 21,004,289 km (0.079 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 10,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit