🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.44 AU - 0.64 AU

Year: 252 Days

Day: 28.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 12.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,737,496 km

• M1: 123,418 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.4

Radius: 13.2

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.75 AU - 0.85 AU

Year: 455 Days

Day: 8.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 58,737,496 km

• M1: 164,258 km (0.106 R)
• M2: 904,469 km (0.063 R)
• M3: 1,423,573 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.1

Radius: 11.7

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.08 AU - 2.72 AU

Year: 2364 Days

Day: 11.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,737,496 km

• M1: 145,559 km (0.08 R)
• M2: 851,212 km (0.057 R)
• M3: 1,248,245 km (0.105 R)
• M4: 1,627,924 km (0.081 R)
• M5: 2,009,548 km (0.082 R)
• M6: 2,683,187 km (0.111 R)
• M7: 3,117,769 km (0.081 R)
• M8: 3,518,392 km (0.11 R)
• M9: 3,936,070 km (0.044 R)
• M10: 4,772,172 km (0.055 R)
• M11: 7,051,894 km (0.072 R)
• M12: 9,654,747 km (0.042 R)
• M13: 11,637,667 km (0.112 R)
• M14: 13,593,959 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.6

Radius: 11.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.59 AU - 2.67 AU

Year: 2712 Days

Day: 5.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,737,496 km

• M1: 144,362 km (0.102 R)
• M2: 526,585 km (0.059 R)
• M3: 1,081,144 km (0.115 R)
• M4: 1,463,516 km (0.118 R)
• M5: 1,866,981 km (0.109 R)
• M6: 2,489,458 km (0.109 R)
• M7: 3,058,080 km (0.119 R)
• M8: 3,615,332 km (0.078 R)
• M9: 3,995,161 km (0.099 R)
• M10: 4,914,440 km (0.117 R)
• M11: 6,818,372 km (0.11 R)
• M12: 7,272,102 km (0.065 R)
• M13: 9,262,352 km (0.073 R)
• M14: 10,268,697 km (0.077 R)
• M15: 10,631,023 km (0.065 R)
• M16: 11,138,908 km (0.109 R)
• M17: 11,698,404 km (0.106 R)
• M18: 12,166,795 km (0.119 R)
• M19: 12,572,803 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.2

Radius: 11.9

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.33 AU - 3.85 AU

Year: 3454 Days

Day: 5.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,737,496 km

• M1: 150,047 km (0.114 R)
• M2: 664,663 km (0.102 R)
• M3: 1,576,911 km (0.073 R)
• M4: 2,148,824 km (0.108 R)
• M5: 3,817,588 km (0.111 R)
• M6: 4,659,674 km (0.109 R)
• M7: 5,349,321 km (0.087 R)
• M8: 5,817,712 km (0.079 R)
• M9: 6,313,479 km (0.059 R)
• M10: 6,932,665 km (0.107 R)
• M11: 7,763,232 km (0.066 R)
• M12: 8,149,194 km (0.091 R)
• M13: 10,528,100 km (0.052 R)
• M14: 11,534,744 km (0.088 R)
• M15: 11,945,689 km (0.119 R)
• M16: 12,748,731 km (0.065 R)
• M17: 13,537,111 km (0.071 R)
• M18: 15,211,111 km (0.075 R)
• M19: 15,873,082 km (0.117 R)
• M20: 16,268,170 km (0.108 R)
• M21: 18,404,278 km (0.069 R)
• M22: 19,733,455 km (0.116 R)
• M23: 21,125,613 km (0.102 R)
• M24: 22,229,496 km (0.082 R)
• M25: 23,589,789 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.7

Radius: 11.2

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.37 AU - 5.13 AU

Year: 6582 Days

Day: 11.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,737,496 km

• M1: 139,425 km (0.092 R)
• M2: 490,980 km (0.081 R)
• M3: 1,426,565 km (0.116 R)
• M4: 2,230,504 km (0.103 R)
• M5: 2,812,739 km (0.075 R)
• M6: 3,448,680 km (0.083 R)
• M7: 4,100,777 km (0.089 R)
• M8: 5,216,029 km (0.08 R)
• M9: 6,211,603 km (0.079 R)
• M10: 6,665,184 km (0.114 R)
• M11: 7,997,203 km (0.079 R)
• M12: 8,833,904 km (0.12 R)
• M13: 9,184,561 km (0.118 R)
• M14: 10,485,913 km (0.047 R)
• M15: 12,389,396 km (0.078 R)
• M16: 12,773,863 km (0.079 R)
• M17: 13,394,245 km (0.093 R)
• M18: 16,143,405 km (0.093 R)
• M19: 16,801,935 km (0.116 R)
• M20: 18,669,665 km (0.092 R)
• M21: 19,175,605 km (0.084 R)
• M22: 25,538,451 km (0.11 R)
• M23: 30,417,885 km (0.11 R)
• M24: 30,917,542 km (0.074 R)
• M25: 32,971,072 km (0.114 R)
• M26: 35,113,911 km (0.085 R)
• M27: 36,443,388 km (0.101 R)
• M28: 37,576,592 km (0.066 R)
• M29: 39,438,487 km (0.026 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.7

Radius: 12

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.14 AU - 6.14 AU

Year: 8516 Days

Day: 9.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,737,496 km

• M1: 150,495 km (0.096 R)
• M2: 600,037 km (0.07 R)
• M3: 1,098,348 km (0.116 R)
• M4: 2,183,531 km (0.086 R)
• M5: 3,387,644 km (0.098 R)
• M6: 5,148,112 km (0.077 R)
• M7: 5,944,870 km (0.113 R)
• M8: 7,132,826 km (0.093 R)
• M9: 7,741,540 km (0.098 R)
• M10: 8,970,487 km (0.106 R)
• M11: 9,535,518 km (0.045 R)
• M12: 10,427,271 km (0.061 R)
• M13: 13,018,156 km (0.086 R)
• M14: 14,304,100 km (0.112 R)
• M15: 18,145,923 km (0.102 R)
• M16: 20,064,366 km (0.111 R)
• M17: 25,214,272 km (0.12 R)
• M18: 30,758,818 km (0.077 R)
• M19: 32,590,495 km (0.106 R)
• M20: 42,457,372 km (0.116 R)
• M21: 42,983,956 km (0.05 R)
• M22: 45,958,859 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.9

Radius: 7.8

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.21 AU - 8.73 AU

Year: 14306 Days

Day: 23.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,737,496 km

• M1: 96,939 km (0.106 R)
• M2: 455,825 km (0.11 R)
• M3: 869,463 km (0.113 R)
• M4: 1,563,597 km (0.108 R)
• M5: 1,939,686 km (0.062 R)
• M6: 2,456,995 km (0.09 R)
• M7: 2,943,936 km (0.12 R)
• M8: 3,600,522 km (0.086 R)
• M9: 4,538,201 km (0.117 R)
• M10: 5,236,374 km (0.089 R)
• M11: 5,777,619 km (0.088 R)
• M12: 7,671,528 km (0.098 R)
• M13: 8,562,683 km (0.096 R)
• M14: 10,053,426 km (0.11 R)
• M15: 10,493,393 km (0.105 R)
• M16: 11,003,671 km (0.109 R)
• M17: 11,830,200 km (0.108 R)
• M18: 13,874,006 km (0.078 R)
• M19: 14,908,625 km (0.103 R)
• M20: 17,130,602 km (0.077 R)
• M21: 24,117,570 km (0.091 R)
• M22: 27,268,999 km (0.104 R)
• M23: 34,499,064 km (0.113 R)
• M24: 40,106,441 km (0.115 R)
• M25: 42,481,158 km (0.104 R)
• M26: 46,141,518 km (0.066 R)
• M27: 47,508,993 km (0.031 R)
• M28: 47,816,566 km (0.111 R)
• M29: 48,435,602 km (0.087 R)
• M30: 54,249,723 km (0.084 R)
• M31: 57,323,959 km (0.036 R)
• M32: 58,726,888 km (0.116 R)

Asteroid Belt

Center: 8.32 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.2

Radius: 3.4

Gravity: 48.11 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 6.75 AU - 10.59 AU

Year: 16232 Days

Day: 19.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 58,737,496 km

• M1: 54,304 km (0.102 R)
• M2: 181,013 km (0.089 R)
• M3: 414,386 km (0.105 R)
• M4: 655,687 km (0.069 R)
• M5: 783,444 km (0.112 R)
• M6: 1,127,070 km (0.071 R)
• M7: 1,311,973 km (0.095 R)
• M8: 1,610,720 km (0.088 R)
• M9: 2,083,749 km (0.113 R)
• M10: 2,921,946 km (0.094 R)
• M11: 3,143,350 km (0.117 R)
• M12: 3,537,092 km (0.095 R)
• M13: 4,582,332 km (0.079 R)
• M14: 4,949,446 km (0.025 R)
• M15: 6,010,693 km (0.119 R)
• M16: 6,740,880 km (0.08 R)
• M17: 6,996,842 km (0.035 R)
• M18: 7,573,542 km (0.101 R)
• M19: 10,310,884 km (0.111 R)
• M20: 12,335,392 km (0.093 R)
• M21: 13,373,750 km (0.116 R)
• M22: 14,051,429 km (0.108 R)
• M23: 15,475,152 km (0.1 R)
• M24: 16,221,795 km (0.053 R)
• M25: 16,913,984 km (0.099 R)
• M26: 17,867,222 km (0.12 R)
• M27: 19,363,500 km (0.085 R)
• M28: 21,121,574 km (0.102 R)
• M29: 22,225,905 km (0.078 R)
• M30: 23,659,801 km (0.098 R)
• M31: 24,850,301 km (0.099 R)
• M32: 25,154,134 km (0.051 R)
• M33: 28,329,349 km (0.065 R)
• M34: 31,524,460 km (0.105 R)
• M35: 33,208,483 km (0.095 R)
• M36: 39,162,778 km (0.063 R)
• M37: 39,436,542 km (0.086 R)
• M38: 43,994,340 km (0.11 R)
• M39: 48,102,747 km (0.116 R)
• M40: 48,574,429 km (0.117 R)
• M41: 52,959,292 km (0.048 R)
• M42: 53,630,537 km (0.104 R)
• M43: 54,818,793 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.4

Radius: 7.9

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.73 AU - 10.11 AU

Year: 19866 Days

Day: 20.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,737,496 km

• M1: 108,608 km (0.084 R)
• M2: 440,267 km (0.113 R)
• M3: 714,180 km (0.105 R)
• M4: 1,082,041 km (0.089 R)
• M5: 1,413,251 km (0.104 R)
• M6: 2,699,643 km (0.047 R)
• M7: 3,068,552 km (0.05 R)
• M8: 3,795,148 km (0.086 R)
• M9: 4,319,788 km (0.07 R)
• M10: 4,599,686 km (0.041 R)
• M11: 5,956,090 km (0.114 R)
• M12: 7,384,300 km (0.08 R)
• M13: 9,748,246 km (0.047 R)
• M14: 11,188,126 km (0.049 R)
• M15: 11,480,440 km (0.115 R)
• M16: 15,112,676 km (0.107 R)
• M17: 15,760,136 km (0.093 R)
• M18: 42,703,909 km (0.11 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 20,138 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit