🌌 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: 659.8

Radius: 10.4

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.43 AU - 0.61 AU

Year: 250 Days

Day: 11.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,014,941 km

• M1: 129,402 km (0.09 R)
• M2: 460,911 km (0.117 R)
• M3: 1,067,830 km (0.107 R)
• M4: 1,496,577 km (0.065 R)
• M5: 1,883,736 km (0.075 R)
• M6: 2,402,542 km (0.079 R)
• M7: 2,799,724 km (0.042 R)
• M8: 3,240,739 km (0.098 R)
• M9: 3,574,641 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.3

Radius: 13.2

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.47 AU - 0.63 AU

Year: 272 Days

Day: 8.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,014,941 km

• M1: 164,258 km (0.069 R)
• M2: 582,085 km (0.068 R)
• M3: 1,062,444 km (0.107 R)
• M4: 1,499,868 km (0.063 R)
• M5: 1,916,947 km (0.107 R)
• M6: 2,529,700 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.4

Radius: 14.4

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.03 AU - 1.31 AU

Year: 844 Days

Day: 5.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,014,941 km

• M1: 179,218 km (0.078 R)
• M2: 635,492 km (0.085 R)
• M3: 1,355,207 km (0.118 R)
• M4: 2,375,165 km (0.12 R)
• M5: 3,016,491 km (0.097 R)
• M6: 4,634,243 km (0.06 R)
• M7: 5,139,734 km (0.085 R)
• M8: 6,578,417 km (0.062 R)
• M9: 7,449,974 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.2

Radius: 8.1

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.05 AU - 1.43 AU

Year: 921 Days

Day: 8 Hours

Environment

Temp: -190 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,014,941 km

• M1: 101,278 km (0.079 R)
• M2: 502,798 km (0.068 R)
• M3: 907,161 km (0.099 R)
• M4: 1,305,541 km (0.101 R)
• M5: 1,897,799 km (0.101 R)
• M6: 2,184,578 km (0.113 R)
• M7: 3,913,779 km (0.12 R)
• M8: 4,904,716 km (0.111 R)
• M9: 5,300,402 km (0.04 R)
• M10: 6,404,135 km (0.081 R)
• M11: 7,122,504 km (0.103 R)
• M12: 7,725,384 km (0.117 R)
• M13: 8,112,992 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.1

Radius: 13.6

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.55 AU - 2.01 AU

Year: 1584 Days

Day: 6.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,014,941 km

• M1: 170,542 km (0.089 R)
• M2: 698,772 km (0.107 R)
• M3: 1,138,589 km (0.061 R)
• M4: 1,792,482 km (0.091 R)
• M5: 2,716,847 km (0.095 R)
• M6: 3,440,901 km (0.116 R)
• M7: 4,011,018 km (0.089 R)
• M8: 4,484,346 km (0.091 R)
• M9: 5,431,599 km (0.103 R)
• M10: 6,183,478 km (0.073 R)
• M11: 6,687,922 km (0.082 R)
• M12: 7,111,284 km (0.083 R)
• M13: 7,895,327 km (0.119 R)
• M14: 10,212,448 km (0.105 R)
• M15: 11,101,359 km (0.101 R)
• M16: 12,313,550 km (0.085 R)
• M17: 12,870,952 km (0.06 R)
• M18: 13,528,435 km (0.115 R)
• M19: 14,338,358 km (0.1 R)
• M20: 14,821,858 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.9

Radius: 14.8

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.85 AU - 3.73 AU

Year: 3979 Days

Day: 13.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,014,941 km

• M1: 184,005 km (0.103 R)
• M2: 668,254 km (0.036 R)
• M3: 1,135,597 km (0.045 R)
• M4: 1,893,759 km (0.084 R)
• M5: 2,369,331 km (0.107 R)
• M6: 3,210,520 km (0.119 R)
• M7: 4,285,829 km (0.106 R)
• M8: 5,265,695 km (0.089 R)
• M9: 7,419,456 km (0.075 R)
• M10: 8,624,916 km (0.106 R)
• M11: 10,772,393 km (0.057 R)
• M12: 12,056,541 km (0.029 R)
• M13: 13,394,395 km (0.104 R)
• M14: 14,339,853 km (0.083 R)
• M15: 15,635,072 km (0.073 R)
• M16: 16,737,010 km (0.102 R)
• M17: 19,628,737 km (0.087 R)
• M18: 20,477,555 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282

Radius: 12.2

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.43 AU - 5.85 AU

Year: 7771 Days

Day: 10 Hours

Environment

Temp: -216 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,014,941 km

• M1: 208,839 km (0.096 R)
• M2: 690,993 km (0.052 R)
• M3: 1,171,651 km (0.049 R)
• M4: 2,884,397 km (0.11 R)
• M5: 3,811,006 km (0.049 R)
• M6: 4,417,027 km (0.06 R)
• M7: 5,278,262 km (0.051 R)
• M8: 9,170,948 km (0.093 R)
• M9: 11,438,104 km (0.114 R)
• M10: 12,853,449 km (0.052 R)
• M11: 14,824,850 km (0.107 R)
• M12: 20,103,710 km (0.083 R)
• M13: 24,272,554 km (0.117 R)
• M14: 25,619,683 km (0.092 R)
• M15: 26,765,901 km (0.109 R)
• M16: 29,337,040 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.9

Radius: 7.8

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.52 AU - 7.1 AU

Year: 10570 Days

Day: 21.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 88.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,014,941 km

• M1: 97,089 km (0.086 R)
• M2: 364,570 km (0.079 R)
• M3: 624,870 km (0.12 R)
• M4: 1,078,601 km (0.119 R)
• M5: 1,438,982 km (0.076 R)
• M6: 2,112,771 km (0.114 R)
• M7: 2,366,638 km (0.098 R)
• M8: 3,545,170 km (0.113 R)
• M9: 4,854,301 km (0.1 R)
• M10: 5,432,347 km (0.098 R)
• M11: 6,421,638 km (0.114 R)
• M12: 6,919,650 km (0.115 R)
• M13: 8,433,879 km (0.045 R)
• M14: 8,891,050 km (0.094 R)
• M15: 12,625,611 km (0.116 R)
• M16: 17,363,974 km (0.094 R)
• M17: 20,449,879 km (0.08 R)
• M18: 21,274,762 km (0.119 R)
• M19: 23,434,207 km (0.108 R)
• M20: 24,705,191 km (0.061 R)
• M21: 25,735,621 km (0.103 R)
• M22: 26,021,652 km (0.098 R)
• M23: 28,487,474 km (0.087 R)
• M24: 29,308,317 km (0.111 R)
• M25: 30,675,791 km (0.029 R)
• M26: 34,567,879 km (0.083 R)
• M27: 35,737,735 km (0.118 R)
• M28: 36,212,857 km (0.039 R)
• M29: 41,590,751 km (0.067 R)
• M30: 42,779,905 km (0.116 R)
• M31: 43,585,190 km (0.107 R)
• M32: 47,192,144 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.4

Radius: 7.9

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.31 AU - 8.79 AU

Year: 12483 Days

Day: 16.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,014,941 km

• M1: 107,860 km (0.104 R)
• M2: 1,163,871 km (0.088 R)
• M3: 1,463,217 km (0.092 R)
• M4: 1,845,589 km (0.089 R)
• M5: 2,484,222 km (0.082 R)
• M6: 2,769,505 km (0.094 R)
• M7: 4,569,467 km (0.077 R)
• M8: 5,730,795 km (0.104 R)
• M9: 6,158,346 km (0.089 R)
• M10: 6,417,449 km (0.045 R)
• M11: 8,128,999 km (0.077 R)
• M12: 8,441,209 km (0.104 R)
• M13: 8,854,399 km (0.079 R)
• M14: 10,278,421 km (0.116 R)
• M15: 11,456,055 km (0.08 R)
• M16: 12,309,062 km (0.091 R)
• M17: 12,661,814 km (0.114 R)
• M18: 13,823,591 km (0.119 R)
• M19: 14,140,888 km (0.075 R)
• M20: 14,593,123 km (0.11 R)
• M21: 17,511,927 km (0.086 R)
• M22: 18,336,361 km (0.103 R)
• M23: 19,186,226 km (0.074 R)
• M24: 19,501,728 km (0.099 R)
• M25: 20,224,286 km (0.11 R)
• M26: 23,562,712 km (0.091 R)
• M27: 26,562,748 km (0.03 R)
• M28: 27,053,429 km (0.053 R)
• M29: 27,550,243 km (0.041 R)
• M30: 35,157,594 km (0.096 R)
• M31: 36,347,346 km (0.079 R)
• M32: 37,195,865 km (0.106 R)
• M33: 43,781,762 km (0.111 R)
• M34: 44,604,101 km (0.085 R)
• M35: 48,871,680 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285.7

Radius: 4.8

Gravity: 12.4 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 10.52 AU - 10.88 AU

Year: 23340 Days

Day: 24.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,014,941 km

• M1: 77,043 km (0.047 R)
• M2: 239,955 km (0.112 R)
• M3: 730,038 km (0.114 R)
• M4: 940,971 km (0.119 R)
• M5: 1,244,654 km (0.1 R)
• M6: 2,008,800 km (0.059 R)
• M7: 2,996,894 km (0.072 R)
• M8: 3,406,194 km (0.076 R)
• M9: 3,998,901 km (0.089 R)
• M10: 4,858,490 km (0.089 R)
• M11: 6,227,610 km (0.1 R)
• M12: 6,978,591 km (0.107 R)
• M13: 11,294,340 km (0.106 R)
• M14: 13,254,072 km (0.111 R)
• M15: 14,775,183 km (0.106 R)
• M16: 17,750,835 km (0.089 R)
• M17: 18,406,971 km (0.118 R)
• M18: 19,680,647 km (0.102 R)
• M19: 20,206,184 km (0.103 R)
• M20: 21,193,979 km (0.119 R)
• M21: 23,265,162 km (0.099 R)
• M22: 27,261,519 km (0.09 R)
• M23: 27,804,709 km (0.064 R)
• M24: 32,778,689 km (0.044 R)
• M25: 34,014,816 km (0.098 R)
• M26: 47,657,543 km (0.112 R)
• M27: 58,950,687 km (0.112 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: 370 - 16,192 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit