🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.3

Radius: 11.1

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.67 AU - 0.85 AU

Year: 442 Days

Day: 7.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,939,169 km

• M1: 138,378 km (0.12 R)
• M2: 577,448 km (0.102 R)
• M3: 937,081 km (0.11 R)
• M4: 1,459,926 km (0.105 R)
• M5: 2,009,698 km (0.065 R)
• M6: 2,408,975 km (0.113 R)
• M7: 2,904,143 km (0.117 R)
• M8: 3,263,627 km (0.12 R)
• M9: 3,767,772 km (0.095 R)
• M10: 4,197,118 km (0.092 R)
• M11: 4,703,955 km (0.039 R)
• M12: 5,138,537 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.6

Radius: 8.4

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.1 AU - 2.82 AU

Year: 2573 Days

Day: 14.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,939,169 km

• M1: 104,569 km (0.116 R)
• M2: 562,488 km (0.063 R)
• M3: 1,117,496 km (0.075 R)
• M4: 2,261,321 km (0.03 R)
• M5: 2,938,102 km (0.103 R)
• M6: 3,705,090 km (0.11 R)
• M7: 4,281,790 km (0.109 R)
• M8: 5,168,756 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.8

Radius: 9.4

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.25 AU - 5.33 AU

Year: 5925 Days

Day: 11.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,939,169 km

• M1: 117,135 km (0.106 R)
• M2: 575,353 km (0.108 R)
• M3: 894,296 km (0.088 R)
• M4: 1,379,292 km (0.077 R)
• M5: 1,901,838 km (0.047 R)
• M6: 2,265,959 km (0.082 R)
• M7: 2,824,109 km (0.05 R)
• M8: 3,364,157 km (0.098 R)
• M9: 6,770,800 km (0.083 R)
• M10: 7,370,089 km (0.027 R)
• M11: 9,043,939 km (0.111 R)
• M12: 10,171,159 km (0.11 R)
• M13: 10,721,979 km (0.117 R)
• M14: 17,180,867 km (0.107 R)
• M15: 23,313,781 km (0.078 R)
• M16: 24,029,457 km (0.067 R)
• M17: 25,672,341 km (0.098 R)
• M18: 26,094,506 km (0.059 R)
• M19: 27,741,130 km (0.068 R)
• M20: 28,275,194 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.5

Radius: 10.3

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.93 AU - 5.13 AU

Year: 6429 Days

Day: 11.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,939,169 km

• M1: 128,804 km (0.099 R)
• M2: 500,405 km (0.068 R)
• M3: 1,019,360 km (0.106 R)
• M4: 1,756,877 km (0.072 R)
• M5: 2,636,962 km (0.083 R)
• M6: 3,371,936 km (0.054 R)
• M7: 3,697,611 km (0.086 R)
• M8: 4,189,040 km (0.114 R)
• M9: 5,477,227 km (0.042 R)
• M10: 5,991,694 km (0.038 R)
• M11: 6,738,636 km (0.118 R)
• M12: 7,329,847 km (0.109 R)
• M13: 8,222,797 km (0.077 R)
• M14: 11,386,492 km (0.071 R)
• M15: 12,377,877 km (0.071 R)
• M16: 13,916,342 km (0.073 R)
• M17: 17,177,576 km (0.117 R)
• M18: 20,128,842 km (0.113 R)
• M19: 22,552,926 km (0.069 R)
• M20: 25,995,323 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.1

Radius: 4.9

Gravity: 28.62 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 6.3 AU - 7.24 AU

Year: 11747 Days

Day: 19.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 84,939,169 km

• M1: 61,036 km (0.117 R)
• M2: 296,353 km (0.078 R)
• M3: 874,848 km (0.042 R)
• M4: 1,335,460 km (0.092 R)
• M5: 1,545,196 km (0.084 R)
• M6: 1,776,774 km (0.105 R)
• M7: 2,368,284 km (0.096 R)
• M8: 2,988,666 km (0.055 R)
• M9: 4,422,711 km (0.063 R)
• M10: 4,606,118 km (0.073 R)
• M11: 4,762,747 km (0.063 R)
• M12: 5,815,468 km (0.044 R)
• M13: 7,180,548 km (0.096 R)
• M14: 10,579,561 km (0.117 R)
• M15: 14,445,170 km (0.084 R)
• M16: 16,837,988 km (0.101 R)
• M17: 18,598,606 km (0.105 R)
• M18: 23,668,627 km (0.109 R)
• M19: 23,948,525 km (0.08 R)
• M20: 27,073,475 km (0.079 R)
• M21: 28,416,864 km (0.11 R)
• M22: 30,459,473 km (0.119 R)
• M23: 32,828,654 km (0.117 R)
• M24: 38,057,399 km (0.1 R)
• M25: 39,217,830 km (0.091 R)
• M26: 39,478,878 km (0.093 R)
• M27: 44,661,696 km (0.074 R)
• M28: 50,742,551 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.1

Radius: 3.7

Gravity: 52.89 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.55 AU - 9.85 AU

Year: 15659 Days

Day: 17.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 84,939,169 km

• M1: 46,226 km (0.111 R)
• M2: 310,565 km (0.054 R)
• M3: 672,891 km (0.088 R)
• M4: 1,270,385 km (0.068 R)
• M5: 1,667,418 km (0.056 R)
• M6: 2,771,450 km (0.073 R)
• M7: 3,656,322 km (0.074 R)
• M8: 4,352,400 km (0.09 R)
• M9: 4,647,407 km (0.101 R)
• M10: 5,574,765 km (0.079 R)
• M11: 5,883,235 km (0.109 R)
• M12: 7,142,102 km (0.111 R)
• M13: 7,882,013 km (0.111 R)
• M14: 10,234,738 km (0.12 R)
• M15: 13,354,004 km (0.072 R)
• M16: 13,766,295 km (0.091 R)
• M17: 17,132,846 km (0.089 R)
• M18: 18,198,731 km (0.079 R)
• M19: 19,658,357 km (0.059 R)
• M20: 25,015,756 km (0.058 R)
• M21: 25,958,671 km (0.091 R)
• M22: 26,278,063 km (0.112 R)
• M23: 27,472,003 km (0.082 R)
• M24: 28,138,163 km (0.105 R)
• M25: 29,272,264 km (0.106 R)
• M26: 29,387,305 km (0.105 R)
• M27: 29,734,372 km (0.096 R)
• M28: 29,850,610 km (0.079 R)
• M29: 30,083,982 km (0.104 R)
• M30: 31,873,921 km (0.081 R)
• M31: 32,486,075 km (0.063 R)
• M32: 33,481,499 km (0.069 R)
• M33: 35,142,335 km (0.097 R)
• M34: 36,456,702 km (0.089 R)
• M35: 36,857,325 km (0.117 R)
• M36: 38,351,359 km (0.116 R)
• M37: 42,777,960 km (0.11 R)
• M38: 46,586,722 km (0.058 R)
• M39: 50,119,924 km (0.071 R)
• M40: 53,827,707 km (0.119 R)
• M41: 54,346,962 km (0.037 R)
• M42: 57,714,111 km (0.083 R)
• M43: 58,622,618 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970.8

Radius: 4.9

Gravity: 40.43 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.38 AU - 9.44 AU

Year: 17736 Days

Day: 16.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 84,939,169 km

• M1: 60,886 km (0.114 R)
• M2: 250,576 km (0.103 R)
• M3: 560,094 km (0.035 R)
• M4: 1,110,315 km (0.052 R)
• M5: 1,527,843 km (0.099 R)
• M6: 3,862,617 km (0.12 R)
• M7: 4,993,278 km (0.105 R)
• M8: 5,613,959 km (0.104 R)
• M9: 9,053,813 km (0.1 R)
• M10: 9,563,792 km (0.104 R)
• M11: 11,080,864 km (0.082 R)
• M12: 11,598,323 km (0.1 R)
• M13: 14,429,911 km (0.12 R)
• M14: 15,282,470 km (0.09 R)
• M15: 17,430,396 km (0.047 R)
• M16: 22,826,541 km (0.092 R)
• M17: 26,069,075 km (0.111 R)
• M18: 26,982,818 km (0.105 R)
• M19: 29,482,898 km (0.095 R)
• M20: 32,393,624 km (0.06 R)
• M21: 33,851,006 km (0.043 R)
• M22: 36,188,473 km (0.055 R)
• M23: 39,818,016 km (0.052 R)
• M24: 43,842,349 km (0.099 R)
• M25: 45,788,019 km (0.102 R)
• M26: 47,959,881 km (0.109 R)
• M27: 58,488,878 km (0.042 R)
• M28: 73,572,981 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507.8

Radius: 6.9

Gravity: 10.67 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 9.76 AU - 10.22 AU

Year: 21056 Days

Day: 22.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,939,169 km

• M1: 89,160 km (0.069 R)
• M2: 316,549 km (0.088 R)
• M3: 963,261 km (0.105 R)
• M4: 2,310,689 km (0.065 R)
• M5: 2,958,148 km (0.116 R)
• M6: 3,434,618 km (0.065 R)
• M7: 4,243,493 km (0.065 R)
• M8: 6,615,517 km (0.084 R)
• M9: 8,156,226 km (0.109 R)
• M10: 9,808,384 km (0.12 R)
• M11: 10,623,094 km (0.062 R)
• M12: 10,985,720 km (0.105 R)
• M13: 11,993,261 km (0.107 R)
• M14: 21,303,186 km (0.082 R)
• M15: 22,665,424 km (0.066 R)
• M16: 24,292,151 km (0.086 R)
• M17: 25,240,602 km (0.113 R)
• M18: 32,708,976 km (0.114 R)
• M19: 46,797,206 km (0.074 R)
• M20: 52,323,351 km (0.071 R)
• M21: 55,332,961 km (0.088 R)
• M22: 55,875,702 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762

Radius: 4.8

Gravity: 33.07 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 9.77 AU - 11.03 AU

Year: 22366 Days

Day: 24.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 84,939,169 km

• M1: 59,839 km (0.077 R)
• M2: 246,238 km (0.063 R)
• M3: 530,324 km (0.104 R)
• M4: 698,772 km (0.059 R)
• M5: 963,560 km (0.05 R)
• M6: 1,175,390 km (0.084 R)
• M7: 1,434,195 km (0.1 R)
• M8: 1,657,245 km (0.037 R)
• M9: 4,119,626 km (0.105 R)
• M10: 4,359,132 km (0.069 R)
• M11: 4,941,367 km (0.073 R)
• M12: 5,370,713 km (0.11 R)
• M13: 5,698,183 km (0.054 R)
• M14: 5,866,929 km (0.107 R)
• M15: 7,742,887 km (0.079 R)
• M16: 8,321,531 km (0.07 R)
• M17: 11,925,643 km (0.099 R)
• M18: 27,461,232 km (0.058 R)
• M19: 29,801,691 km (0.069 R)
• M20: 30,055,559 km (0.09 R)
• M21: 31,740,779 km (0.06 R)
• M22: 34,454,933 km (0.087 R)
• M23: 41,119,069 km (0.069 R)
• M24: 42,227,290 km (0.119 R)
• M25: 42,869,364 km (0.118 R)
• M26: 45,503,035 km (0.068 R)
• M27: 48,417,500 km (0.11 R)
• M28: 51,271,828 km (0.094 R)
• M29: 51,819,206 km (0.053 R)
• M30: 52,555,078 km (0.081 R)
• M31: 57,117,514 km (0.111 R)
• M32: 60,707,564 km (0.066 R)
• M33: 63,601,535 km (0.06 R)
• M34: 67,020,145 km (0.118 R)
• M35: 71,463,052 km (0.106 R)
• M36: 71,917,830 km (0.058 R)
• M37: 72,833,219 km (0.141 R)
• M38: 83,420,560 km (0.104 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 10,444 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit