🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.8

Radius: 9

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.56 AU - 0.7 AU

Year: 333 Days

Day: 11.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,874,865 km

• M1: 111,899 km (0.104 R)
• M2: 858,991 km (0.1 R)
• M3: 1,188,405 km (0.091 R)
• M4: 1,523,206 km (0.047 R)
• M5: 1,852,470 km (0.101 R)
• M6: 2,203,876 km (0.102 R)
• M7: 2,875,869 km (0.09 R)
• M8: 3,204,686 km (0.102 R)
• M9: 3,499,693 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.2

Radius: 11.7

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.96 AU - 1.26 AU

Year: 780 Days

Day: 7.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,874,865 km

• M1: 145,559 km (0.099 R)
• M2: 536,458 km (0.086 R)
• M3: 910,453 km (0.056 R)
• M4: 1,410,110 km (0.081 R)
• M5: 2,404,337 km (0.088 R)
• M6: 2,869,138 km (0.058 R)
• M7: 3,489,520 km (0.109 R)
• M8: 3,906,449 km (0.057 R)
• M9: 4,636,636 km (0.056 R)
• M10: 5,607,527 km (0.102 R)
• M11: 8,096,536 km (0.115 R)
• M12: 8,471,578 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.1

Radius: 14.9

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.24 AU - 1.36 AU

Year: 988 Days

Day: 14.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 78.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 21,874,865 km

• M1: 185,501 km (0.068 R)
• M2: 659,128 km (0.099 R)
• M3: 1,308,383 km (0.091 R)
• M4: 1,875,957 km (0.079 R)
• M5: 2,353,175 km (0.094 R)
• M6: 3,426,090 km (0.046 R)
• M7: 4,638,432 km (0.033 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.3

Radius: 9.5

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.65 AU - 1.69 AU

Year: 1439 Days

Day: 6.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,874,865 km

• M1: 118,182 km (0.087 R)
• M2: 499,058 km (0.103 R)
• M3: 950,994 km (0.073 R)
• M4: 1,313,469 km (0.097 R)
• M5: 1,758,822 km (0.077 R)
• M6: 2,314,578 km (0.119 R)
• M7: 3,679,659 km (0.042 R)
• M8: 4,462,355 km (0.057 R)
• M9: 4,854,750 km (0.101 R)
• M10: 6,217,736 km (0.051 R)
• M11: 7,000,133 km (0.041 R)
• M12: 7,583,116 km (0.082 R)
• M13: 7,899,964 km (0.04 R)
• M14: 8,588,713 km (0.077 R)
• M15: 9,138,485 km (0.106 R)
• M16: 9,467,301 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286

Radius: 9.5

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.3 AU - 3.08 AU

Year: 2942 Days

Day: 8.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 21,874,865 km

• M1: 118,182 km (0.084 R)
• M2: 441,763 km (0.081 R)
• M3: 902,075 km (0.108 R)
• M4: 1,275,172 km (0.096 R)
• M5: 1,803,851 km (0.085 R)
• M6: 2,180,239 km (0.103 R)
• M7: 2,735,098 km (0.088 R)
• M8: 3,283,374 km (0.114 R)
• M9: 3,705,988 km (0.093 R)
• M10: 4,457,867 km (0.113 R)
• M11: 5,107,720 km (0.099 R)
• M12: 5,513,280 km (0.088 R)
• M13: 5,867,677 km (0.067 R)
• M14: 6,543,860 km (0.077 R)
• M15: 8,354,143 km (0.089 R)
• M16: 10,193,001 km (0.048 R)
• M17: 10,764,464 km (0.107 R)
• M18: 11,095,225 km (0.114 R)
• M19: 11,394,870 km (0.111 R)
• M20: 12,893,092 km (0.097 R)
• M21: 13,308,227 km (0.095 R)
• M22: 14,877,359 km (0.028 R)

Asteroid Belt

Center: 3.57 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974

Radius: 8.2

Gravity: 14.49 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.43 AU - 4.47 AU

Year: 6260 Days

Day: 11.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 21,874,865 km

• M1: 102,923 km (0.094 R)
• M2: 376,089 km (0.039 R)
• M3: 825,780 km (0.06 R)
• M4: 1,515,726 km (0.102 R)
• M5: 3,251,659 km (0.089 R)
• M6: 4,160,466 km (0.086 R)
• M7: 4,534,910 km (0.111 R)
• M8: 5,958,932 km (0.078 R)
• M9: 9,208,497 km (0.039 R)
• M10: 9,752,884 km (0.113 R)
• M11: 10,127,626 km (0.105 R)
• M12: 12,255,058 km (0.089 R)
• M13: 16,303,774 km (0.109 R)
• M14: 17,100,533 km (0.107 R)
• M15: 18,202,770 km (0.118 R)
• M16: 19,132,670 km (0.065 R)
• M17: 19,943,939 km (0.116 R)
• M18: 21,009,375 km (0.115 R)
• M19: 22,677,990 km (0.088 R)
• M20: 25,212,477 km (0.119 R)
• M21: 28,973,218 km (0.066 R)
• M22: 32,362,657 km (0.071 R)
• M23: 33,832,007 km (0.112 R)
• M24: 34,259,857 km (0.116 R)
• M25: 36,229,912 km (0.072 R)
• M26: 38,972,788 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.8

Radius: 11.6

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.94 AU - 5.2 AU

Year: 6515 Days

Day: 9.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 21,874,865 km

• M1: 144,512 km (0.067 R)
• M2: 1,001,707 km (0.084 R)
• M3: 1,370,616 km (0.066 R)
• M4: 1,859,502 km (0.069 R)
• M5: 3,357,874 km (0.088 R)
• M6: 4,381,722 km (0.106 R)
• M7: 5,200,620 km (0.119 R)
• M8: 6,600,408 km (0.12 R)
• M9: 7,176,808 km (0.076 R)
• M10: 8,745,492 km (0.114 R)
• M11: 9,652,952 km (0.09 R)
• M12: 11,997,600 km (0.118 R)
• M13: 14,306,344 km (0.071 R)
• M14: 14,812,732 km (0.117 R)
• M15: 15,624,151 km (0.119 R)
• M16: 18,171,803 km (0.102 R)
• M17: 18,967,065 km (0.1 R)
• M18: 20,485,035 km (0.113 R)
• M19: 22,381,637 km (0.076 R)
• M20: 24,954,122 km (0.112 R)
• M21: 25,360,429 km (0.049 R)
• M22: 27,631,026 km (0.113 R)
• M23: 29,851,507 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.5

Radius: 9.3

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.57 AU - 4.87 AU

Year: 6838 Days

Day: 10.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 21,874,865 km

• M1: 115,789 km (0.111 R)
• M2: 412,142 km (0.076 R)
• M3: 714,330 km (0.111 R)
• M4: 1,484,011 km (0.093 R)
• M5: 2,032,437 km (0.107 R)
• M6: 3,351,740 km (0.071 R)
• M7: 3,964,344 km (0.117 R)
• M8: 5,229,194 km (0.111 R)
• M9: 6,120,348 km (0.103 R)
• M10: 7,878,721 km (0.109 R)
• M11: 8,830,912 km (0.084 R)
• M12: 10,138,397 km (0.111 R)
• M13: 10,569,239 km (0.048 R)
• M14: 11,365,399 km (0.079 R)
• M15: 12,909,548 km (0.093 R)
• M16: 13,587,675 km (0.05 R)
• M17: 13,877,147 km (0.104 R)
• M18: 14,289,439 km (0.106 R)
• M19: 15,638,363 km (0.11 R)
• M20: 16,214,016 km (0.118 R)
• M21: 19,894,722 km (0.116 R)
• M22: 21,889,160 km (0.092 R)
• M23: 24,607,952 km (0.089 R)
• M24: 26,450,699 km (0.107 R)
• M25: 29,336,292 km (0.075 R)
• M26: 31,104,838 km (0.105 R)
• M27: 31,709,812 km (0.057 R)
• M28: 33,047,516 km (0.102 R)
• M29: 33,677,473 km (0.047 R)
• M30: 36,499,936 km (0.079 R)
• M31: 37,286,072 km (0.102 R)
• M32: 37,968,688 km (0.074 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.1

Radius: 12.9

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.07 AU - 5.71 AU

Year: 8345 Days

Day: 8.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 21,874,865 km

• M1: 160,369 km (0.12 R)
• M2: 629,209 km (0.034 R)
• M3: 1,394,252 km (0.117 R)
• M4: 1,816,118 km (0.055 R)
• M5: 2,470,758 km (0.045 R)
• M6: 3,034,443 km (0.094 R)
• M7: 4,120,524 km (0.117 R)
• M8: 4,680,169 km (0.115 R)
• M9: 5,195,384 km (0.108 R)
• M10: 5,614,707 km (0.113 R)
• M11: 6,485,516 km (0.116 R)
• M12: 7,245,174 km (0.079 R)
• M13: 8,495,214 km (0.034 R)
• M14: 8,942,512 km (0.066 R)
• M15: 10,379,549 km (0.076 R)
• M16: 11,745,078 km (0.087 R)
• M17: 14,512,489 km (0.102 R)
• M18: 16,907,252 km (0.086 R)
• M19: 17,978,971 km (0.114 R)
• M20: 21,302,438 km (0.12 R)
• M21: 24,562,923 km (0.096 R)
• M22: 26,976,685 km (0.115 R)
• M23: 28,044,066 km (0.118 R)
• M24: 43,135,948 km (0.105 R)
• M25: 44,460,936 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 22.7

Radius: 6.6

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 8.14 AU - 9.14 AU

Year: 16936 Days

Day: 22.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,874,865 km

• M1: 85,869 km (0.072 R)
• M2: 1,032,525 km (0.107 R)
• M3: 2,245,015 km (0.105 R)
• M4: 5,275,868 km (0.089 R)
• M5: 5,741,566 km (0.087 R)
• M6: 11,620,763 km (0.092 R)
• M7: 12,230,224 km (0.105 R)
• M8: 13,751,036 km (0.082 R)
• M9: 15,085,599 km (0.108 R)
• M10: 17,107,265 km (0.056 R)
• M11: 20,908,846 km (0.093 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 18,414 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit