🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.46 AU - 0.56 AU

Year: 239 Days

Day: 22.8 Hours

Environment

Temp: -111 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.56 AU - 0.62 AU

Year: 297 Days

Day: 21.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.61 AU - 0.65 AU

Year: 328 Days

Day: 46.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,801,943 km

• M1: 59,540 km (0.029 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.3

Radius: 14.6

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.8 AU - 0.82 AU

Year: 478 Days

Day: 12.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,801,943 km

• M1: 181,911 km (0.108 R)
• M2: 697,126 km (0.096 R)
• M3: 1,201,720 km (0.103 R)
• M4: 1,967,362 km (0.078 R)
• M5: 2,565,005 km (0.096 R)
• M6: 4,400,870 km (0.069 R)
• M7: 5,247,445 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.5

Radius: 11.1

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.27 AU - 5.89 AU

Year: 7511 Days

Day: 7.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,801,943 km

• M1: 138,079 km (0.096 R)
• M2: 604,675 km (0.036 R)
• M3: 974,181 km (0.083 R)
• M4: 3,660,809 km (0.044 R)
• M5: 4,247,981 km (0.102 R)
• M6: 5,179,976 km (0.068 R)
• M7: 7,891,437 km (0.091 R)
• M8: 9,651,456 km (0.067 R)
• M9: 10,016,325 km (0.111 R)
• M10: 11,796,540 km (0.077 R)
• M11: 12,167,094 km (0.077 R)
• M12: 12,834,450 km (0.1 R)
• M13: 15,037,129 km (0.116 R)
• M14: 16,774,110 km (0.091 R)
• M15: 17,781,502 km (0.07 R)
• M16: 25,759,557 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.6

Radius: 13.7

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.66 AU - 5.54 AU

Year: 7556 Days

Day: 5.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,801,943 km

• M1: 170,392 km (0.086 R)
• M2: 662,270 km (0.054 R)
• M3: 1,336,358 km (0.114 R)
• M4: 1,787,246 km (0.064 R)
• M5: 2,255,637 km (0.074 R)
• M6: 2,728,216 km (0.073 R)
• M7: 4,105,714 km (0.057 R)
• M8: 5,234,878 km (0.117 R)
• M9: 6,107,632 km (0.106 R)
• M10: 7,000,432 km (0.105 R)
• M11: 8,912,892 km (0.109 R)
• M12: 9,966,509 km (0.068 R)
• M13: 10,898,055 km (0.109 R)
• M14: 12,991,528 km (0.078 R)
• M15: 14,899,798 km (0.116 R)
• M16: 16,515,904 km (0.058 R)
• M17: 17,749,787 km (0.117 R)
• M18: 19,044,407 km (0.062 R)
• M19: 19,865,999 km (0.04 R)
• M20: 21,182,011 km (0.034 R)
• M21: 22,555,469 km (0.119 R)
• M22: 24,420,057 km (0.094 R)
• M23: 25,929,649 km (0.11 R)
• M24: 30,730,095 km (0.104 R)
• M25: 33,446,494 km (0.039 R)
• M26: 36,319,371 km (0.092 R)
• M27: 36,775,495 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.4

Radius: 13.5

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.85 AU - 5.51 AU

Year: 7734 Days

Day: 11.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,801,943 km

• M1: 167,849 km (0.062 R)
• M2: 811,419 km (0.089 R)
• M3: 1,418,637 km (0.075 R)
• M4: 1,984,266 km (0.041 R)
• M5: 2,861,358 km (0.102 R)
• M6: 4,388,902 km (0.091 R)
• M7: 6,813,884 km (0.096 R)
• M8: 7,805,269 km (0.115 R)
• M9: 8,401,267 km (0.096 R)
• M10: 13,045,084 km (0.105 R)
• M11: 13,581,691 km (0.053 R)
• M12: 14,070,877 km (0.09 R)
• M13: 18,419,238 km (0.117 R)
• M14: 19,865,550 km (0.11 R)
• M15: 22,897,300 km (0.108 R)
• M16: 23,943,588 km (0.105 R)
• M17: 24,839,530 km (0.08 R)
• M18: 25,850,811 km (0.055 R)
• M19: 28,152,225 km (0.099 R)
• M20: 30,483,109 km (0.074 R)
• M21: 32,178,801 km (0.083 R)
• M22: 33,824,677 km (0.075 R)
• M23: 34,272,872 km (0.089 R)
• M24: 37,403,208 km (0.114 R)
• M25: 38,366,169 km (0.118 R)
• M26: 38,853,709 km (0.087 R)
• M27: 43,562,451 km (0.093 R)
• M28: 44,226,666 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.8

Radius: 3.1

Gravity: 101.75 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.6 AU - 7.42 AU

Year: 10896 Days

Day: 15.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,801,943 km

• M1: 39,344 km (0.056 R)
• M2: 147,504 km (0.065 R)
• M3: 251,175 km (0.094 R)
• M4: 481,855 km (0.103 R)
• M5: 724,353 km (0.117 R)
• M6: 1,346,680 km (0.093 R)
• M7: 2,185,625 km (0.101 R)
• M8: 3,247,171 km (0.102 R)
• M9: 3,832,398 km (0.095 R)
• M10: 3,945,943 km (0.099 R)
• M11: 4,091,053 km (0.051 R)
• M12: 4,804,635 km (0.063 R)
• M13: 4,936,730 km (0.112 R)
• M14: 5,855,111 km (0.067 R)
• M15: 6,315,125 km (0.116 R)
• M16: 6,675,506 km (0.107 R)
• M17: 6,881,652 km (0.099 R)
• M18: 8,349,955 km (0.08 R)
• M19: 13,781,704 km (0.065 R)
• M20: 14,869,729 km (0.107 R)
• M21: 17,061,787 km (0.074 R)
• M22: 20,392,733 km (0.097 R)
• M23: 21,443,808 km (0.093 R)
• M24: 23,180,938 km (0.105 R)
• M25: 23,748,512 km (0.038 R)
• M26: 25,807,727 km (0.11 R)
• M27: 27,349,333 km (0.068 R)
• M28: 32,340,666 km (0.054 R)
• M29: 32,575,535 km (0.118 R)
• M30: 32,811,600 km (0.05 R)
• M31: 33,526,678 km (0.045 R)
• M32: 35,608,931 km (0.076 R)
• M33: 35,733,995 km (0.084 R)
• M34: 53,298,131 km (0.114 R)
• M35: 55,117,391 km (0.119 R)
• M36: 55,789,085 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 720.5

Radius: 5.6

Gravity: 22.98 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.37 AU - 10.01 AU

Year: 15376 Days

Day: 24.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,801,943 km

• M1: 69,713 km (0.109 R)
• M2: 288,574 km (0.12 R)
• M3: 696,528 km (0.059 R)
• M4: 1,012,030 km (0.119 R)
• M5: 1,856,360 km (0.119 R)
• M6: 2,443,532 km (0.1 R)
• M7: 3,021,129 km (0.108 R)
• M8: 4,573,357 km (0.115 R)
• M9: 4,875,694 km (0.051 R)
• M10: 5,227,249 km (0.078 R)
• M11: 5,633,257 km (0.1 R)
• M12: 6,847,693 km (0.096 R)
• M13: 9,349,568 km (0.104 R)
• M14: 10,980,484 km (0.053 R)
• M15: 12,273,608 km (0.101 R)
• M16: 13,941,774 km (0.089 R)
• M17: 14,721,478 km (0.119 R)
• M18: 15,011,997 km (0.046 R)
• M19: 16,212,819 km (0.076 R)
• M20: 16,679,265 km (0.091 R)
• M21: 19,146,433 km (0.05 R)
• M22: 19,667,333 km (0.045 R)
• M23: 20,197,807 km (0.083 R)
• M24: 20,737,706 km (0.102 R)
• M25: 24,687,688 km (0.073 R)
• M26: 32,418,457 km (0.11 R)
• M27: 34,543,794 km (0.112 R)
• M28: 38,517,861 km (0.112 R)
• M29: 42,053,906 km (0.074 R)
• M30: 47,833,770 km (0.083 R)
• M31: 48,471,356 km (0.064 R)
• M32: 53,777,143 km (0.079 R)
• M33: 60,009,540 km (0.117 R)
• M34: 64,356,854 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 680.1

Radius: 7.5

Gravity: 12.09 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 8.66 AU - 10.06 AU

Year: 18786 Days

Day: 20.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,801,943 km

• M1: 104,719 km (0.095 R)
• M2: 369,357 km (0.107 R)
• M3: 1,959,882 km (0.082 R)
• M4: 2,658,953 km (0.065 R)
• M5: 3,346,205 km (0.075 R)
• M6: 4,540,295 km (0.085 R)
• M7: 6,807,601 km (0.052 R)
• M8: 7,984,487 km (0.117 R)
• M9: 8,336,940 km (0.038 R)
• M10: 10,614,418 km (0.087 R)
• M11: 11,415,514 km (0.115 R)
• M12: 12,999,307 km (0.11 R)
• M13: 15,876,972 km (0.052 R)
• M14: 19,694,560 km (0.103 R)
• M15: 25,679,222 km (0.105 R)
• M16: 27,118,653 km (0.114 R)
• M17: 27,915,711 km (0.116 R)
• M18: 28,262,030 km (0.098 R)
• M19: 32,900,761 km (0.084 R)
• M20: 35,130,816 km (0.11 R)
• M21: 48,137,453 km (0.073 R)
• M22: 49,980,798 km (0.111 R)
• M23: 51,870,668 km (0.05 R)
• M24: 53,629,640 km (0.037 R)
• M25: 61,647,787 km (0.047 R)
• M26: 66,452,571 km (0.066 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 16,066 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit