🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.48 AU - 0.7 AU

Year: 293 Days

Day: 34.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 77,464,436 km

• M1: 46,375 km (0.107 R)
• M2: 174,730 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.4

Radius: 9.7

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.7 AU - 0.94 AU

Year: 479 Days

Day: 11.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,464,436 km

• M1: 120,875 km (0.115 R)
• M2: 426,055 km (0.118 R)
• M3: 729,290 km (0.1 R)
• M4: 1,068,129 km (0.098 R)
• M5: 1,797,119 km (0.084 R)
• M6: 2,763,222 km (0.103 R)
• M7: 3,204,087 km (0.089 R)
• M8: 4,184,552 km (0.093 R)
• M9: 5,663,925 km (0.114 R)
• M10: 5,986,458 km (0.082 R)
• M11: 6,416,402 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.2

Radius: 9.2

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.01 AU - 1.17 AU

Year: 735 Days

Day: 7.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,464,436 km

• M1: 114,442 km (0.115 R)
• M2: 446,998 km (0.092 R)
• M3: 947,703 km (0.112 R)
• M4: 1,346,381 km (0.089 R)
• M5: 2,138,950 km (0.069 R)
• M6: 2,442,634 km (0.109 R)
• M7: 2,968,321 km (0.088 R)
• M8: 3,532,455 km (0.104 R)
• M9: 4,205,944 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.4

Radius: 10.1

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.18 AU - 1.9 AU

Year: 1234 Days

Day: 15 Hours

Environment

Temp: -173 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,464,436 km

• M1: 125,812 km (0.049 R)
• M2: 595,998 km (0.068 R)
• M3: 922,570 km (0.035 R)
• M4: 1,456,485 km (0.083 R)
• M5: 2,210,309 km (0.109 R)
• M6: 2,585,201 km (0.036 R)
• M7: 3,205,583 km (0.038 R)
• M8: 3,688,635 km (0.098 R)
• M9: 4,042,882 km (0.112 R)
• M10: 4,550,917 km (0.1 R)
• M11: 5,019,757 km (0.101 R)
• M12: 5,456,283 km (0.106 R)
• M13: 6,381,845 km (0.1 R)
• M14: 6,696,150 km (0.098 R)
• M15: 8,283,982 km (0.106 R)
• M16: 9,165,712 km (0.111 R)
• M17: 9,504,252 km (0.102 R)
• M18: 9,819,305 km (0.106 R)
• M19: 10,371,022 km (0.112 R)
• M20: 11,184,834 km (0.068 R)
• M21: 12,335,392 km (0.12 R)
• M22: 12,710,733 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.1

Radius: 13.8

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.11 AU - 2.31 AU

Year: 2121 Days

Day: 5.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,464,436 km

• M1: 171,589 km (0.107 R)
• M2: 644,916 km (0.113 R)
• M3: 1,157,140 km (0.051 R)
• M4: 1,621,641 km (0.075 R)
• M5: 2,121,747 km (0.085 R)
• M6: 3,076,181 km (0.12 R)
• M7: 4,082,077 km (0.062 R)
• M8: 4,740,906 km (0.05 R)
• M9: 5,254,326 km (0.102 R)
• M10: 5,736,630 km (0.073 R)
• M11: 6,841,859 km (0.069 R)
• M12: 7,830,252 km (0.027 R)
• M13: 8,286,226 km (0.118 R)
• M14: 8,911,695 km (0.12 R)
• M15: 9,958,132 km (0.061 R)
• M16: 10,631,322 km (0.064 R)
• M17: 11,551,648 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157

Radius: 10.1

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.7 AU - 4.34 AU

Year: 4264 Days

Day: 9.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,464,436 km

• M1: 126,111 km (0.065 R)
• M2: 808,726 km (0.116 R)
• M3: 1,608,626 km (0.083 R)
• M4: 2,498,584 km (0.08 R)
• M5: 3,796,046 km (0.099 R)
• M6: 4,888,858 km (0.075 R)
• M7: 5,520,161 km (0.041 R)
• M8: 6,674,309 km (0.078 R)
• M9: 7,982,393 km (0.079 R)
• M10: 9,086,724 km (0.114 R)
• M11: 9,521,904 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.4

Radius: 12.5

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.67 AU - 4.79 AU

Year: 6642 Days

Day: 7.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 121.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,464,436 km

• M1: 159,471 km (0.08 R)
• M2: 694,433 km (0.119 R)
• M3: 1,742,516 km (0.039 R)
• M4: 3,085,306 km (0.068 R)
• M5: 4,575,600 km (0.041 R)
• M6: 5,861,394 km (0.096 R)
• M7: 6,466,368 km (0.062 R)
• M8: 6,928,775 km (0.086 R)
• M9: 10,327,339 km (0.061 R)
• M10: 11,161,048 km (0.057 R)
• M11: 12,467,786 km (0.042 R)
• M12: 14,345,837 km (0.068 R)
• M13: 15,698,352 km (0.058 R)
• M14: 17,884,276 km (0.111 R)
• M15: 18,514,083 km (0.04 R)
• M16: 19,892,178 km (0.08 R)
• M17: 25,038,794 km (0.101 R)
• M18: 26,272,528 km (0.094 R)
• M19: 28,198,451 km (0.107 R)
• M20: 31,010,442 km (0.102 R)
• M21: 33,160,014 km (0.081 R)
• M22: 36,512,053 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.4

Radius: 4.7

Gravity: 37.18 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 6.4 AU - 7.46 AU

Year: 11779 Days

Day: 21.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,464,436 km

• M1: 59,091 km (0.119 R)
• M2: 327,470 km (0.094 R)
• M3: 533,167 km (0.057 R)
• M4: 730,935 km (0.055 R)
• M5: 1,175,241 km (0.092 R)
• M6: 1,684,173 km (0.108 R)
• M7: 1,865,934 km (0.115 R)
• M8: 2,368,134 km (0.049 R)
• M9: 2,727,768 km (0.12 R)
• M10: 2,886,042 km (0.092 R)
• M11: 3,476,206 km (0.112 R)
• M12: 3,799,786 km (0.119 R)
• M13: 4,414,035 km (0.11 R)
• M14: 4,601,182 km (0.048 R)
• M15: 4,891,701 km (0.063 R)
• M16: 5,194,487 km (0.113 R)
• M17: 7,365,750 km (0.076 R)
• M18: 7,718,652 km (0.063 R)
• M19: 8,036,398 km (0.096 R)
• M20: 9,092,559 km (0.065 R)
• M21: 9,395,793 km (0.085 R)
• M22: 10,129,870 km (0.105 R)
• M23: 10,455,994 km (0.076 R)
• M24: 12,314,149 km (0.064 R)
• M25: 13,778,263 km (0.093 R)
• M26: 14,517,875 km (0.087 R)
• M27: 14,862,698 km (0.113 R)
• M28: 21,413,290 km (0.041 R)
• M29: 25,261,844 km (0.097 R)
• M30: 25,460,510 km (0.091 R)
• M31: 28,246,172 km (0.091 R)
• M32: 30,660,981 km (0.085 R)
• M33: 34,658,087 km (0.099 R)
• M34: 35,397,699 km (0.109 R)
• M35: 43,953,201 km (0.119 R)
• M36: 48,398,801 km (0.115 R)
• M37: 49,632,983 km (0.096 R)
• M38: 51,523,302 km (0.101 R)
• M39: 55,782,652 km (0.054 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 760

Radius: 4.1

Gravity: 45.21 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.44 AU - 9.86 AU

Year: 15023 Days

Day: 15.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 77,464,436 km

• M1: 51,162 km (0.074 R)
• M2: 233,373 km (0.12 R)
• M3: 715,527 km (0.074 R)
• M4: 995,723 km (0.084 R)
• M5: 1,194,090 km (0.113 R)
• M6: 1,525,150 km (0.106 R)
• M7: 2,430,965 km (0.051 R)
• M8: 2,698,596 km (0.112 R)
• M9: 3,647,944 km (0.098 R)
• M10: 4,339,535 km (0.082 R)
• M11: 4,767,086 km (0.106 R)
• M12: 4,938,675 km (0.048 R)
• M13: 5,367,572 km (0.097 R)
• M14: 6,299,267 km (0.106 R)
• M15: 6,933,562 km (0.088 R)
• M16: 7,655,970 km (0.06 R)
• M17: 9,788,637 km (0.105 R)
• M18: 10,521,368 km (0.098 R)
• M19: 12,872,448 km (0.064 R)
• M20: 15,105,795 km (0.06 R)
• M21: 16,547,020 km (0.073 R)
• M22: 17,020,498 km (0.039 R)
• M23: 18,579,756 km (0.085 R)
• M24: 19,350,485 km (0.076 R)
• M25: 20,864,116 km (0.097 R)
• M26: 27,160,989 km (0.063 R)
• M27: 33,600,879 km (0.085 R)
• M28: 39,013,928 km (0.103 R)
• M29: 39,291,881 km (0.117 R)
• M30: 40,275,188 km (0.084 R)
• M31: 43,770,991 km (0.111 R)
• M32: 45,746,580 km (0.101 R)
• M33: 47,148,462 km (0.046 R)
• M34: 51,026,487 km (0.092 R)
• M35: 52,872,824 km (0.108 R)
• M36: 60,147,021 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 712.6

Radius: 7.3

Gravity: 13.37 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.95 AU - 10.87 AU

Year: 20143 Days

Day: 16.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 74.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,464,436 km

• M1: 94,695 km (0.112 R)
• M2: 373,396 km (0.089 R)
• M3: 817,552 km (0.063 R)
• M4: 1,314,367 km (0.095 R)
• M5: 2,097,362 km (0.104 R)
• M6: 2,395,810 km (0.072 R)
• M7: 2,896,664 km (0.041 R)
• M8: 3,791,708 km (0.058 R)
• M9: 4,968,744 km (0.116 R)
• M10: 6,909,028 km (0.064 R)
• M11: 7,820,229 km (0.113 R)
• M12: 9,704,563 km (0.065 R)
• M13: 12,072,399 km (0.119 R)
• M14: 15,820,723 km (0.102 R)
• M15: 17,480,960 km (0.083 R)
• M16: 29,698,319 km (0.103 R)
• M17: 31,955,601 km (0.083 R)
• M18: 52,998,786 km (0.057 R)
• M19: 57,631,832 km (0.055 R)
• M20: 58,205,390 km (0.09 R)
• M21: 60,734,492 km (0.061 R)
• M22: 73,137,352 km (0.071 R)
• M23: 75,394,036 km (0.082 R)
• M24: 77,232,594 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 18,023 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit