🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.1

Radius: 9.6

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.57 AU - 0.91 AU

Year: 418 Days

Day: 10 Hours

Environment

Temp: -143 °C

Axial Tilt: 58.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 50,242,086 km

• M1: 119,379 km (0.082 R)
• M2: 507,436 km (0.109 R)
• M3: 811,718 km (0.089 R)
• M4: 1,267,992 km (0.114 R)
• M5: 1,738,327 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.4

Radius: 12.3

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.83 AU - 0.93 AU

Year: 542 Days

Day: 11.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 50,242,086 km

• M1: 153,039 km (0.067 R)
• M2: 783,594 km (0.096 R)
• M3: 1,270,684 km (0.075 R)
• M4: 2,130,274 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.1

Radius: 11

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.97 AU - 1.51 AU

Year: 906 Days

Day: 5.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,242,086 km

• M1: 136,732 km (0.109 R)
• M2: 520,301 km (0.097 R)
• M3: 867,518 km (0.103 R)
• M4: 1,263,055 km (0.034 R)
• M5: 1,675,047 km (0.11 R)
• M6: 2,115,314 km (0.102 R)
• M7: 3,044,765 km (0.093 R)
• M8: 3,890,891 km (0.089 R)
• M9: 4,531,768 km (0.113 R)
• M10: 4,886,914 km (0.055 R)
• M11: 6,130,072 km (0.097 R)
• M12: 7,163,045 km (0.099 R)
• M13: 8,546,227 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.5

Radius: 9.6

Gravity: 10.6 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.39 AU - 3.77 AU

Year: 4444 Days

Day: 11.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,242,086 km

• M1: 119,828 km (0.089 R)
• M2: 426,055 km (0.09 R)
• M3: 749,186 km (0.092 R)
• M4: 1,360,293 km (0.067 R)
• M5: 1,756,429 km (0.109 R)
• M6: 2,307,996 km (0.044 R)
• M7: 2,749,010 km (0.089 R)
• M8: 3,389,289 km (0.083 R)
• M9: 3,938,014 km (0.066 R)
• M10: 4,319,639 km (0.104 R)
• M11: 5,527,342 km (0.04 R)
• M12: 6,546,552 km (0.053 R)
• M13: 8,673,984 km (0.112 R)
• M14: 9,658,487 km (0.101 R)
• M15: 10,899,402 km (0.081 R)
• M16: 11,751,212 km (0.095 R)
• M17: 12,143,906 km (0.053 R)
• M18: 13,802,648 km (0.101 R)
• M19: 14,295,124 km (0.076 R)
• M20: 16,997,908 km (0.046 R)
• M21: 18,338,305 km (0.08 R)
• M22: 19,270,151 km (0.077 R)
• M23: 19,885,596 km (0.119 R)
• M24: 20,940,560 km (0.07 R)
• M25: 21,591,161 km (0.091 R)
• M26: 23,315,127 km (0.096 R)
• M27: 25,209,934 km (0.086 R)
• M28: 26,781,160 km (0.111 R)
• M29: 27,376,111 km (0.112 R)
• M30: 30,208,896 km (0.118 R)
• M31: 30,946,414 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.9

Radius: 15

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.25 AU - 5.25 AU

Year: 6791 Days

Day: 14.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,242,086 km

• M1: 186,549 km (0.054 R)
• M2: 854,503 km (0.086 R)
• M3: 1,455,288 km (0.116 R)
• M4: 2,056,073 km (0.064 R)
• M5: 2,597,019 km (0.039 R)
• M6: 3,252,856 km (0.104 R)
• M7: 5,762,061 km (0.101 R)
• M8: 7,931,679 km (0.111 R)
• M9: 11,376,918 km (0.097 R)
• M10: 12,091,996 km (0.1 R)
• M11: 13,350,413 km (0.054 R)
• M12: 16,009,216 km (0.114 R)
• M13: 19,069,989 km (0.061 R)
• M14: 20,913,782 km (0.099 R)
• M15: 23,706,625 km (0.102 R)
• M16: 25,999,063 km (0.032 R)
• M17: 27,919,600 km (0.102 R)
• M18: 28,696,312 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.2

Radius: 14

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.46 AU - 5.92 AU

Year: 7756 Days

Day: 8 Hours

Environment

Temp: -223 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,242,086 km

• M1: 181,612 km (0.079 R)
• M2: 654,191 km (0.063 R)
• M3: 1,367,025 km (0.11 R)
• M4: 1,993,242 km (0.113 R)
• M5: 2,827,699 km (0.081 R)
• M6: 3,514,054 km (0.12 R)
• M7: 4,505,140 km (0.113 R)
• M8: 6,772,296 km (0.099 R)
• M9: 8,391,543 km (0.095 R)
• M10: 9,292,122 km (0.09 R)
• M11: 9,960,226 km (0.103 R)
• M12: 11,826,310 km (0.078 R)
• M13: 12,383,712 km (0.059 R)
• M14: 16,308,861 km (0.08 R)
• M15: 21,484,947 km (0.093 R)
• M16: 23,690,768 km (0.06 R)
• M17: 24,488,423 km (0.084 R)
• M18: 26,513,530 km (0.106 R)
• M19: 28,847,855 km (0.081 R)
• M20: 29,452,081 km (0.12 R)
• M21: 31,847,442 km (0.095 R)
• M22: 35,163,428 km (0.066 R)
• M23: 37,141,262 km (0.059 R)
• M24: 39,315,218 km (0.04 R)
• M25: 41,957,416 km (0.116 R)
• M26: 43,387,571 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.1

Radius: 4.8

Gravity: 17.93 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 6.07 AU - 9.57 AU

Year: 14346 Days

Day: 21.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,242,086 km

• M1: 66,571 km (0.085 R)
• M2: 369,806 km (0.046 R)
• M3: 578,196 km (0.114 R)
• M4: 779,854 km (0.054 R)
• M5: 1,189,153 km (0.076 R)
• M6: 1,476,830 km (0.075 R)
• M7: 1,875,359 km (0.087 R)
• M8: 2,582,209 km (0.103 R)
• M9: 3,018,735 km (0.06 R)
• M10: 3,327,954 km (0.082 R)
• M11: 4,353,448 km (0.111 R)
• M12: 4,842,633 km (0.102 R)
• M13: 5,002,702 km (0.074 R)
• M14: 11,680,901 km (0.08 R)
• M15: 12,986,292 km (0.109 R)
• M16: 15,534,392 km (0.086 R)
• M17: 18,866,535 km (0.077 R)
• M18: 20,489,224 km (0.065 R)
• M19: 26,009,684 km (0.052 R)
• M20: 28,950,479 km (0.095 R)
• M21: 30,555,215 km (0.086 R)
• M22: 36,453,860 km (0.045 R)
• M23: 39,345,586 km (0.118 R)
• M24: 41,846,863 km (0.118 R)
• M25: 45,580,676 km (0.112 R)
• M26: 48,189,513 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83

Radius: 6.6

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 6.11 AU - 9.67 AU

Year: 14539 Days

Day: 22.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,242,086 km

• M1: 82,129 km (0.12 R)
• M2: 332,257 km (0.12 R)
• M3: 1,896,751 km (0.085 R)
• M4: 2,650,575 km (0.057 R)
• M5: 2,866,894 km (0.115 R)
• M6: 3,808,911 km (0.036 R)
• M7: 4,783,093 km (0.109 R)
• M8: 6,253,789 km (0.12 R)
• M9: 6,871,629 km (0.09 R)
• M10: 7,673,024 km (0.041 R)
• M11: 8,613,097 km (0.069 R)
• M12: 10,098,455 km (0.063 R)
• M13: 10,405,878 km (0.103 R)
• M14: 11,650,832 km (0.045 R)
• M15: 11,891,834 km (0.119 R)
• M16: 12,433,827 km (0.099 R)
• M17: 13,199,170 km (0.076 R)
• M18: 13,887,619 km (0.109 R)
• M19: 15,567,154 km (0.112 R)
• M20: 16,275,351 km (0.09 R)
• M21: 18,725,764 km (0.107 R)
• M22: 19,257,136 km (0.116 R)
• M23: 19,730,164 km (0.103 R)
• M24: 23,338,165 km (0.094 R)
• M25: 29,627,709 km (0.118 R)
• M26: 30,077,250 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.4

Radius: 7.5

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 7.73 AU - 11.05 AU

Year: 18876 Days

Day: 16.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 50,242,086 km

• M1: 93,499 km (0.087 R)
• M2: 453,730 km (0.078 R)
• M3: 695,481 km (0.067 R)
• M4: 1,113,607 km (0.097 R)
• M5: 1,631,066 km (0.114 R)
• M6: 2,955,156 km (0.078 R)
• M7: 3,651,684 km (0.032 R)
• M8: 4,164,506 km (0.114 R)
• M9: 4,724,301 km (0.116 R)
• M10: 6,212,650 km (0.095 R)
• M11: 6,475,344 km (0.083 R)
• M12: 7,103,954 km (0.053 R)
• M13: 7,349,893 km (0.111 R)
• M14: 10,340,504 km (0.081 R)
• M15: 10,763,716 km (0.1 R)
• M16: 17,220,660 km (0.096 R)
• M17: 17,590,914 km (0.1 R)
• M18: 17,890,858 km (0.044 R)
• M19: 19,362,452 km (0.063 R)
• M20: 19,682,293 km (0.079 R)
• M21: 21,249,779 km (0.103 R)
• M22: 22,721,373 km (0.107 R)
• M23: 26,253,978 km (0.117 R)
• M24: 29,184,301 km (0.091 R)
• M25: 30,136,341 km (0.107 R)
• M26: 32,102,057 km (0.09 R)
• M27: 36,896,071 km (0.045 R)
• M28: 39,783,759 km (0.068 R)
• M29: 42,818,651 km (0.071 R)
• M30: 43,498,274 km (0.075 R)
• M31: 45,439,456 km (0.06 R)
• M32: 46,717,321 km (0.115 R)
• M33: 49,344,858 km (0.106 R)
• M34: 49,642,707 km (0.071 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: 163 - 18,218 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit