🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888

Radius: 8

Gravity: 13.88 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.91 AU - 1.21 AU

Year: 705 Days

Day: 9.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,712,708 km

• M1: 99,632 km (0.088 R)
• M2: 382,971 km (0.081 R)
• M3: 1,003,203 km (0.11 R)
• M4: 1,346,381 km (0.117 R)
• M5: 1,956,740 km (0.086 R)
• M6: 2,367,685 km (0.117 R)
• M7: 2,704,131 km (0.101 R)
• M8: 3,924,251 km (0.106 R)
• M9: 4,563,184 km (0.107 R)
• M10: 4,837,397 km (0.115 R)
• M11: 5,552,475 km (0.086 R)
• M12: 5,825,790 km (0.064 R)
• M13: 6,570,039 km (0.083 R)
• M14: 7,237,246 km (0.046 R)
• M15: 8,171,335 km (0.036 R)
• M16: 8,628,656 km (0.095 R)
• M17: 8,890,003 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.2

Radius: 14.6

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.96 AU - 1.38 AU

Year: 817 Days

Day: 7 Hours

Environment

Temp: -176 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,712,708 km

• M1: 181,612 km (0.094 R)
• M2: 661,821 km (0.114 R)
• M3: 1,218,325 km (0.11 R)
• M4: 1,774,829 km (0.072 R)
• M5: 2,295,579 km (0.087 R)
• M6: 3,045,065 km (0.095 R)
• M7: 3,911,685 km (0.113 R)
• M8: 5,409,609 km (0.043 R)
• M9: 6,060,808 km (0.115 R)
• M10: 6,683,285 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.8

Radius: 11.4

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.37 AU - 1.87 AU

Year: 1331 Days

Day: 5.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,712,708 km

• M1: 142,268 km (0.112 R)
• M2: 723,455 km (0.068 R)
• M3: 1,083,238 km (0.119 R)
• M4: 1,471,594 km (0.06 R)
• M5: 2,115,763 km (0.069 R)
• M6: 2,749,160 km (0.093 R)
• M7: 3,319,278 km (0.1 R)
• M8: 3,764,182 km (0.111 R)
• M9: 4,303,332 km (0.115 R)
• M10: 5,013,623 km (0.106 R)
• M11: 6,841,410 km (0.077 R)
• M12: 8,398,424 km (0.108 R)
• M13: 9,601,939 km (0.113 R)
• M14: 10,278,271 km (0.054 R)
• M15: 11,020,426 km (0.058 R)
• M16: 11,834,239 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397

Radius: 9.2

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.6 AU - 1.66 AU

Year: 1344 Days

Day: 13 Hours

Environment

Temp: -191 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,712,708 km

• M1: 114,442 km (0.049 R)
• M2: 480,359 km (0.104 R)
• M3: 778,059 km (0.089 R)
• M4: 1,097,600 km (0.118 R)
• M5: 1,410,558 km (0.066 R)
• M6: 1,820,905 km (0.116 R)
• M7: 2,410,770 km (0.099 R)
• M8: 2,936,008 km (0.075 R)
• M9: 3,303,570 km (0.081 R)
• M10: 5,523,901 km (0.028 R)
• M11: 6,151,464 km (0.099 R)
• M12: 6,460,234 km (0.102 R)
• M13: 6,895,863 km (0.096 R)
• M14: 7,253,552 km (0.117 R)
• M15: 8,921,119 km (0.097 R)
• M16: 9,346,277 km (0.043 R)
• M17: 10,176,096 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.8

Radius: 11

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.55 AU - 2.49 AU

Year: 1854 Days

Day: 8.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,712,708 km

• M1: 136,732 km (0.034 R)
• M2: 571,464 km (0.116 R)
• M3: 1,042,099 km (0.108 R)
• M4: 1,577,210 km (0.091 R)
• M5: 1,996,533 km (0.084 R)
• M6: 2,514,441 km (0.118 R)
• M7: 3,773,008 km (0.084 R)
• M8: 4,227,785 km (0.097 R)
• M9: 4,794,911 km (0.066 R)
• M10: 5,992,143 km (0.101 R)
• M11: 6,805,506 km (0.066 R)
• M12: 8,537,401 km (0.063 R)
• M13: 9,056,805 km (0.117 R)
• M14: 10,191,056 km (0.064 R)
• M15: 10,942,336 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.5

Radius: 8.1

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.39 AU - 6.13 AU

Year: 7789 Days

Day: 11.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,712,708 km

• M1: 103,372 km (0.036 R)
• M2: 443,258 km (0.04 R)
• M3: 1,461,122 km (0.105 R)
• M4: 1,736,831 km (0.109 R)
• M5: 2,501,426 km (0.077 R)
• M6: 2,860,162 km (0.101 R)
• M7: 3,634,181 km (0.1 R)
• M8: 3,896,725 km (0.041 R)
• M9: 4,301,238 km (0.096 R)
• M10: 4,960,516 km (0.099 R)
• M11: 6,444,377 km (0.08 R)
• M12: 7,121,008 km (0.076 R)
• M13: 7,419,755 km (0.111 R)
• M14: 8,243,890 km (0.038 R)
• M15: 10,073,173 km (0.086 R)
• M16: 12,857,189 km (0.12 R)
• M17: 13,413,394 km (0.071 R)
• M18: 13,754,776 km (0.109 R)
• M19: 15,363,103 km (0.111 R)
• M20: 15,989,320 km (0.101 R)
• M21: 16,632,590 km (0.112 R)
• M22: 17,901,928 km (0.09 R)
• M23: 18,665,775 km (0.117 R)
• M24: 20,258,244 km (0.086 R)
• M25: 22,175,640 km (0.086 R)
• M26: 23,056,323 km (0.045 R)
• M27: 31,157,945 km (0.106 R)
• M28: 33,392,489 km (0.076 R)
• M29: 33,809,867 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.3

Radius: 11.1

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.62 AU - 5.72 AU

Year: 8717 Days

Day: 13.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,712,708 km

• M1: 139,126 km (0.041 R)
• M2: 518,955 km (0.078 R)
• M3: 904,319 km (0.114 R)
• M4: 1,652,458 km (0.111 R)
• M5: 2,119,652 km (0.054 R)
• M6: 2,479,136 km (0.052 R)
• M7: 3,140,508 km (0.094 R)
• M8: 4,905,913 km (0.114 R)
• M9: 5,281,403 km (0.083 R)
• M10: 5,709,702 km (0.109 R)
• M11: 6,304,952 km (0.062 R)
• M12: 8,607,413 km (0.104 R)
• M13: 9,824,541 km (0.088 R)
• M14: 10,836,271 km (0.097 R)
• M15: 13,976,480 km (0.087 R)
• M16: 14,415,400 km (0.071 R)
• M17: 15,189,270 km (0.111 R)
• M18: 16,471,025 km (0.088 R)
• M19: 18,489,399 km (0.102 R)
• M20: 18,942,531 km (0.101 R)
• M21: 19,402,993 km (0.078 R)
• M22: 20,426,392 km (0.118 R)
• M23: 22,324,789 km (0.107 R)
• M24: 24,158,111 km (0.075 R)
• M25: 24,791,060 km (0.06 R)
• M26: 28,521,432 km (0.095 R)
• M27: 32,500,885 km (0.095 R)
• M28: 34,966,258 km (0.107 R)
• M29: 36,362,306 km (0.052 R)
• M30: 38,894,399 km (0.111 R)
• M31: 39,638,798 km (0.108 R)
• M32: 42,189,292 km (0.108 R)
• M33: 43,107,225 km (0.104 R)
• M34: 43,637,699 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.4

Radius: 3.1

Gravity: 91.72 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.13 AU - 7.67 AU

Year: 11703 Days

Day: 21.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,712,708 km

• M1: 38,596 km (0.063 R)
• M2: 204,201 km (0.096 R)
• M3: 2,671,070 km (0.112 R)
• M4: 2,969,219 km (0.099 R)
• M5: 3,686,241 km (0.119 R)
• M6: 4,325,174 km (0.07 R)
• M7: 5,346,030 km (0.105 R)
• M8: 6,200,233 km (0.096 R)
• M9: 9,048,278 km (0.106 R)
• M10: 9,983,115 km (0.069 R)
• M11: 10,308,640 km (0.047 R)
• M12: 12,598,534 km (0.109 R)
• M13: 17,362,329 km (0.118 R)
• M14: 19,714,307 km (0.097 R)
• M15: 20,485,184 km (0.108 R)
• M16: 21,633,946 km (0.06 R)
• M17: 23,389,178 km (0.073 R)
• M18: 23,962,587 km (0.031 R)
• M19: 28,782,032 km (0.12 R)
• M20: 40,143,093 km (0.041 R)
• M21: 40,552,392 km (0.1 R)
• M22: 49,644,652 km (0.067 R)
• M23: 53,171,422 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.2

Radius: 5

Gravity: 16.57 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.85 AU - 10.07 AU

Year: 18787 Days

Day: 19.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 61,712,708 km

• M1: 62,233 km (0.061 R)
• M2: 404,064 km (0.09 R)
• M3: 577,897 km (0.072 R)
• M4: 783,294 km (0.087 R)
• M5: 968,796 km (0.089 R)
• M6: 1,358,349 km (0.112 R)
• M7: 1,710,203 km (0.109 R)
• M8: 2,044,704 km (0.105 R)
• M9: 2,217,788 km (0.068 R)
• M10: 2,379,953 km (0.115 R)
• M11: 2,750,955 km (0.062 R)
• M12: 3,635,527 km (0.057 R)
• M13: 4,728,340 km (0.071 R)
• M14: 5,605,582 km (0.118 R)
• M15: 6,753,147 km (0.094 R)
• M16: 7,052,044 km (0.066 R)
• M17: 8,483,097 km (0.097 R)
• M18: 11,660,705 km (0.06 R)
• M19: 13,986,952 km (0.108 R)
• M20: 14,402,685 km (0.076 R)
• M21: 18,770,942 km (0.06 R)
• M22: 21,572,911 km (0.066 R)
• M23: 24,242,933 km (0.1 R)
• M24: 25,760,155 km (0.075 R)
• M25: 27,879,957 km (0.117 R)
• M26: 33,313,651 km (0.069 R)
• M27: 34,054,310 km (0.113 R)
• M28: 35,059,009 km (0.115 R)
• M29: 35,954,053 km (0.076 R)
• M30: 36,212,558 km (0.101 R)
• M31: 38,191,140 km (0.066 R)
• M32: 40,379,906 km (0.092 R)
• M33: 46,062,232 km (0.119 R)
• M34: 46,367,262 km (0.083 R)
• M35: 53,422,148 km (0.062 R)
• M36: 55,119,635 km (0.098 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 15,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit