🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.5

Radius: 14.3

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.47 AU - 0.57 AU

Year: 259 Days

Day: 8.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 121.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 55,135,165 km

• M1: 180,864 km (0.064 R)
• M2: 737,817 km (0.082 R)
• M3: 1,234,182 km (0.115 R)
• M4: 1,783,057 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.6

Radius: 9.3

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.68 AU - 1.78 AU

Year: 1571 Days

Day: 9.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,135,165 km

• M1: 115,639 km (0.09 R)
• M2: 431,291 km (0.04 R)
• M3: 786,436 km (0.078 R)
• M4: 1,114,953 km (0.028 R)
• M5: 1,460,524 km (0.111 R)
• M6: 1,799,812 km (0.08 R)
• M7: 2,281,517 km (0.101 R)
• M8: 3,106,849 km (0.118 R)
• M9: 3,442,696 km (0.101 R)
• M10: 4,068,015 km (0.096 R)
• M11: 4,617,637 km (0.093 R)
• M12: 5,115,948 km (0.089 R)
• M13: 6,449,763 km (0.055 R)
• M14: 6,901,548 km (0.042 R)
• M15: 7,273,000 km (0.074 R)
• M16: 9,185,908 km (0.025 R)
• M17: 9,696,934 km (0.083 R)
• M18: 10,131,965 km (0.118 R)
• M19: 10,743,072 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.4

Radius: 10

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2 AU - 2.42 AU

Year: 2268 Days

Day: 8.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,135,165 km

• M1: 124,316 km (0.104 R)
• M2: 689,197 km (0.08 R)
• M3: 1,010,085 km (0.082 R)
• M4: 1,541,606 km (0.053 R)
• M5: 2,215,844 km (0.053 R)
• M6: 3,259,738 km (0.08 R)
• M7: 3,616,229 km (0.064 R)
• M8: 3,945,045 km (0.106 R)
• M9: 4,331,606 km (0.112 R)
• M10: 5,032,622 km (0.097 R)
• M11: 5,738,126 km (0.078 R)
• M12: 6,235,987 km (0.09 R)
• M13: 7,593,438 km (0.089 R)
• M14: 8,077,387 km (0.115 R)
• M15: 9,233,629 km (0.092 R)
• M16: 9,686,313 km (0.082 R)
• M17: 10,221,723 km (0.115 R)
• M18: 11,833,940 km (0.068 R)
• M19: 12,368,453 km (0.116 R)
• M20: 13,240,758 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.4

Radius: 10.9

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.58 AU - 3.06 AU

Year: 3269 Days

Day: 5.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,135,165 km

• M1: 135,685 km (0.115 R)
• M2: 530,324 km (0.116 R)
• M3: 916,137 km (0.111 R)
• M4: 1,430,754 km (0.088 R)
• M5: 1,978,282 km (0.089 R)
• M6: 2,494,245 km (0.099 R)
• M7: 2,988,816 km (0.097 R)
• M8: 4,195,771 km (0.114 R)
• M9: 5,232,934 km (0.08 R)
• M10: 5,702,372 km (0.098 R)
• M11: 6,072,926 km (0.111 R)
• M12: 6,485,816 km (0.034 R)
• M13: 7,140,306 km (0.071 R)
• M14: 7,571,447 km (0.038 R)
• M15: 8,581,233 km (0.063 R)
• M16: 9,438,429 km (0.104 R)
• M17: 13,794,719 km (0.12 R)
• M18: 15,486,970 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.2

Radius: 8.6

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.51 AU - 3.57 AU

Year: 3659 Days

Day: 9.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,135,165 km

• M1: 108,309 km (0.08 R)
• M2: 421,268 km (0.077 R)
• M3: 796,160 km (0.119 R)
• M4: 1,184,366 km (0.109 R)
• M5: 2,897,711 km (0.119 R)
• M6: 3,314,939 km (0.045 R)
• M7: 11,111,531 km (0.091 R)
• M8: 11,718,300 km (0.111 R)
• M9: 15,382,999 km (0.117 R)
• M10: 16,652,487 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.8

Radius: 12.4

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.28 AU - 3.94 AU

Year: 4734 Days

Day: 8.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,135,165 km

• M1: 163,361 km (0.119 R)
• M2: 1,139,637 km (0.114 R)
• M3: 1,559,707 km (0.1 R)
• M4: 2,503,520 km (0.08 R)
• M5: 3,832,997 km (0.098 R)
• M6: 7,360,814 km (0.106 R)
• M7: 8,501,497 km (0.065 R)
• M8: 10,141,988 km (0.111 R)
• M9: 10,720,782 km (0.089 R)
• M10: 13,345,028 km (0.101 R)
• M11: 14,442,627 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.5

Radius: 10.9

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.61 AU - 6.45 AU

Year: 8976 Days

Day: 7.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,135,165 km

• M1: 136,134 km (0.094 R)
• M2: 882,777 km (0.077 R)
• M3: 2,571,288 km (0.026 R)
• M4: 3,161,003 km (0.098 R)
• M5: 3,715,413 km (0.095 R)
• M6: 4,252,768 km (0.078 R)
• M7: 5,420,230 km (0.076 R)
• M8: 5,842,395 km (0.106 R)
• M9: 7,755,602 km (0.098 R)
• M10: 8,420,266 km (0.077 R)
• M11: 9,349,717 km (0.069 R)
• M12: 10,248,501 km (0.06 R)
• M13: 10,946,824 km (0.1 R)
• M14: 11,837,081 km (0.085 R)
• M15: 14,061,452 km (0.103 R)
• M16: 18,293,725 km (0.117 R)
• M17: 21,092,402 km (0.091 R)
• M18: 21,571,564 km (0.092 R)
• M19: 24,426,191 km (0.111 R)
• M20: 26,679,583 km (0.082 R)
• M21: 31,181,881 km (0.113 R)
• M22: 31,804,208 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 925.1

Radius: 6.2

Gravity: 24.07 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.34 AU - 6.58 AU

Year: 11333 Days

Day: 19.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,135,165 km

• M1: 77,043 km (0.044 R)
• M2: 374,892 km (0.095 R)
• M3: 594,652 km (0.059 R)
• M4: 862,282 km (0.093 R)
• M5: 1,479,822 km (0.048 R)
• M6: 1,677,142 km (0.111 R)
• M7: 1,944,174 km (0.108 R)
• M8: 2,418,399 km (0.12 R)
• M9: 2,672,117 km (0.053 R)
• M10: 3,410,831 km (0.058 R)
• M11: 4,277,751 km (0.114 R)
• M12: 5,639,092 km (0.094 R)
• M13: 5,972,695 km (0.109 R)
• M14: 6,843,803 km (0.026 R)
• M15: 8,164,304 km (0.102 R)
• M16: 8,737,264 km (0.077 R)
• M17: 8,934,134 km (0.106 R)
• M18: 10,016,475 km (0.065 R)
• M19: 10,395,855 km (0.041 R)
• M20: 10,784,810 km (0.064 R)
• M21: 11,829,751 km (0.093 R)
• M22: 12,750,825 km (0.1 R)
• M23: 14,734,493 km (0.099 R)
• M24: 17,531,225 km (0.099 R)
• M25: 21,455,626 km (0.101 R)
• M26: 22,543,950 km (0.081 R)
• M27: 25,827,025 km (0.079 R)
• M28: 29,195,371 km (0.049 R)
• M29: 31,673,908 km (0.079 R)
• M30: 31,905,935 km (0.086 R)
• M31: 33,682,559 km (0.08 R)
• M32: 35,150,563 km (0.067 R)
• M33: 37,691,184 km (0.115 R)
• M34: 37,951,783 km (0.108 R)
• M35: 48,154,807 km (0.096 R)
• M36: 53,880,216 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 998.9

Radius: 6.8

Gravity: 21.6 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.1 AU - 8.4 AU

Year: 12105 Days

Day: 23.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,135,165 km

• M1: 86,468 km (0.095 R)
• M2: 414,984 km (0.11 R)
• M3: 732,132 km (0.077 R)
• M4: 1,339,051 km (0.05 R)
• M5: 2,961,140 km (0.098 R)
• M6: 3,630,441 km (0.098 R)
• M7: 3,884,309 km (0.092 R)
• M8: 5,265,247 km (0.093 R)
• M9: 11,382,603 km (0.094 R)
• M10: 12,811,412 km (0.054 R)
• M11: 14,286,297 km (0.086 R)
• M12: 15,136,761 km (0.05 R)
• M13: 18,710,954 km (0.074 R)
• M14: 19,215,099 km (0.088 R)
• M15: 23,482,378 km (0.095 R)
• M16: 27,903,892 km (0.102 R)
• M17: 30,482,361 km (0.066 R)
• M18: 32,366,846 km (0.057 R)
• M19: 43,842,199 km (0.117 R)
• M20: 52,280,117 km (0.088 R)
• M21: 59,545,338 km (0.083 R)
• M22: 60,635,308 km (0.047 R)
• M23: 61,001,524 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 567.1

Radius: 4.5

Gravity: 28 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.25 AU - 8.31 AU

Year: 13558 Days

Day: 23.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,135,165 km

• M1: 56,997 km (0.089 R)
• M2: 249,380 km (0.036 R)
• M3: 496,665 km (0.044 R)
• M4: 717,471 km (0.05 R)
• M5: 969,245 km (0.079 R)
• M6: 1,213,987 km (0.077 R)
• M7: 1,371,663 km (0.092 R)
• M8: 3,199,150 km (0.112 R)
• M9: 4,527,430 km (0.065 R)
• M10: 5,278,561 km (0.069 R)
• M11: 6,982,181 km (0.093 R)
• M12: 7,362,310 km (0.108 R)
• M13: 7,755,902 km (0.106 R)
• M14: 8,585,272 km (0.073 R)
• M15: 10,858,262 km (0.102 R)
• M16: 11,425,687 km (0.093 R)
• M17: 11,658,162 km (0.098 R)
• M18: 12,930,492 km (0.06 R)
• M19: 13,374,349 km (0.064 R)
• M20: 15,747,420 km (0.078 R)
• M21: 17,298,301 km (0.117 R)
• M22: 17,451,190 km (0.1 R)
• M23: 23,572,436 km (0.055 R)
• M24: 30,203,212 km (0.113 R)
• M25: 30,424,916 km (0.11 R)
• M26: 32,701,646 km (0.116 R)
• M27: 34,845,533 km (0.118 R)
• M28: 38,105,121 km (0.048 R)
• M29: 41,289,012 km (0.059 R)
• M30: 43,225,856 km (0.052 R)
• M31: 44,502,375 km (0.116 R)
• M32: 50,169,890 km (0.111 R)
• M33: 51,579,401 km (0.114 R)
• M34: 52,854,125 km (0.082 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 11,430 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit