🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.5

Radius: 14.7

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.4 AU - 0.64 AU

Year: 254 Days

Day: 14.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 91,860,495 km

• M1: 182,958 km (0.111 R)
• M2: 647,011 km (0.114 R)
• M3: 1,143,825 km (0.075 R)
• M4: 1,664,576 km (0.082 R)
• M5: 2,248,157 km (0.094 R)
• M6: 3,324,364 km (0.11 R)
• M7: 4,263,839 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.2

Radius: 9.7

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.31 AU - 1.99 AU

Year: 1438 Days

Day: 5.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,860,495 km

• M1: 123,119 km (0.03 R)
• M2: 432,188 km (0.089 R)
• M3: 775,815 km (0.119 R)
• M4: 1,138,889 km (0.116 R)
• M5: 1,478,625 km (0.116 R)
• M6: 2,418,998 km (0.101 R)
• M7: 2,804,212 km (0.092 R)
• M8: 3,615,332 km (0.086 R)
• M9: 4,325,323 km (0.101 R)
• M10: 5,606,031 km (0.092 R)
• M11: 6,810,293 km (0.035 R)
• M12: 7,528,513 km (0.102 R)
• M13: 7,891,736 km (0.12 R)
• M14: 8,990,533 km (0.081 R)
• M15: 11,127,090 km (0.062 R)
• M16: 12,160,661 km (0.114 R)
• M17: 13,337,697 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.9

Radius: 13.1

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.38 AU - 5.16 AU

Year: 5985 Days

Day: 6.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 91,860,495 km

• M1: 162,912 km (0.033 R)
• M2: 703,110 km (0.081 R)
• M3: 1,130,212 km (0.11 R)
• M4: 1,573,470 km (0.102 R)
• M5: 2,339,711 km (0.099 R)
• M6: 3,038,632 km (0.061 R)
• M7: 3,849,901 km (0.108 R)
• M8: 5,047,881 km (0.109 R)
• M9: 5,718,528 km (0.068 R)
• M10: 6,580,810 km (0.114 R)
• M11: 7,454,911 km (0.098 R)
• M12: 10,545,453 km (0.041 R)
• M13: 11,692,719 km (0.111 R)
• M14: 13,403,969 km (0.057 R)
• M15: 14,807,496 km (0.09 R)
• M16: 16,183,348 km (0.109 R)
• M17: 16,681,359 km (0.089 R)
• M18: 17,839,396 km (0.028 R)
• M19: 18,438,087 km (0.117 R)
• M20: 23,168,671 km (0.111 R)
• M21: 24,284,372 km (0.106 R)
• M22: 25,268,726 km (0.086 R)
• M23: 25,855,150 km (0.098 R)
• M24: 27,055,224 km (0.077 R)
• M25: 27,669,173 km (0.076 R)
• M26: 29,474,221 km (0.048 R)
• M27: 30,973,790 km (0.117 R)
• M28: 31,936,602 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.4

Radius: 9.7

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.52 AU - 5.26 AU

Year: 6239 Days

Day: 6.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,860,495 km

• M1: 120,725 km (0.118 R)
• M2: 554,111 km (0.094 R)
• M3: 1,041,949 km (0.086 R)
• M4: 1,583,793 km (0.107 R)
• M5: 1,913,058 km (0.114 R)
• M6: 2,767,561 km (0.059 R)
• M7: 3,654,676 km (0.048 R)
• M8: 4,720,860 km (0.099 R)
• M9: 5,240,563 km (0.12 R)
• M10: 6,265,757 km (0.102 R)
• M11: 8,589,760 km (0.113 R)
• M12: 12,630,099 km (0.102 R)
• M13: 14,744,067 km (0.079 R)
• M14: 18,908,872 km (0.118 R)
• M15: 21,222,852 km (0.062 R)
• M16: 24,754,408 km (0.079 R)
• M17: 27,000,172 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.8

Radius: 12.1

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.31 AU - 5.61 AU

Year: 7492 Days

Day: 8.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,860,495 km

• M1: 151,393 km (0.047 R)
• M2: 988,842 km (0.116 R)
• M3: 1,679,834 km (0.098 R)
• M4: 3,044,167 km (0.091 R)
• M5: 5,124,176 km (0.044 R)
• M6: 5,644,926 km (0.112 R)
• M7: 6,601,904 km (0.114 R)
• M8: 7,320,572 km (0.032 R)
• M9: 7,769,216 km (0.032 R)
• M10: 8,836,896 km (0.083 R)
• M11: 13,023,841 km (0.107 R)
• M12: 14,689,613 km (0.087 R)
• M13: 15,405,439 km (0.104 R)
• M14: 20,131,685 km (0.094 R)
• M15: 22,496,378 km (0.046 R)
• M16: 22,932,157 km (0.076 R)
• M17: 26,543,300 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.9

Radius: 11.4

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.84 AU - 6.34 AU

Year: 7789 Days

Day: 14.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,860,495 km

• M1: 141,819 km (0.117 R)
• M2: 642,224 km (0.097 R)
• M3: 1,197,082 km (0.079 R)
• M4: 1,797,867 km (0.095 R)
• M5: 2,176,649 km (0.049 R)
• M6: 2,660,598 km (0.07 R)
• M7: 3,137,516 km (0.09 R)
• M8: 4,815,555 km (0.044 R)
• M9: 5,970,002 km (0.077 R)
• M10: 7,060,122 km (0.04 R)
• M11: 7,475,106 km (0.087 R)
• M12: 8,091,001 km (0.109 R)
• M13: 9,219,418 km (0.059 R)
• M14: 9,590,271 km (0.04 R)
• M15: 13,338,745 km (0.086 R)
• M16: 15,022,768 km (0.117 R)
• M17: 16,722,499 km (0.104 R)
• M18: 17,275,113 km (0.086 R)
• M19: 22,291,579 km (0.055 R)
• M20: 25,371,051 km (0.095 R)
• M21: 27,773,593 km (0.105 R)
• M22: 29,074,047 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.6

Radius: 5.1

Gravity: 13.52 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.97 AU - 7.07 AU

Year: 10018 Days

Day: 20.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 91,860,495 km

• M1: 63,429 km (0.046 R)
• M2: 255,214 km (0.104 R)
• M3: 561,291 km (0.097 R)
• M4: 737,667 km (0.082 R)
• M5: 2,726,720 km (0.118 R)
• M6: 3,134,674 km (0.097 R)
• M7: 4,801,344 km (0.093 R)
• M8: 6,728,314 km (0.118 R)
• M9: 7,587,006 km (0.086 R)
• M10: 8,986,643 km (0.039 R)
• M11: 12,720,307 km (0.116 R)
• M12: 16,704,397 km (0.079 R)
• M13: 17,305,033 km (0.084 R)
• M14: 25,411,592 km (0.047 R)
• M15: 28,309,303 km (0.116 R)
• M16: 32,129,434 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 713.2

Radius: 7.5

Gravity: 12.68 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 6.15 AU - 6.81 AU

Year: 11188 Days

Day: 20 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 91,860,495 km

• M1: 93,349 km (0.113 R)
• M2: 424,260 km (0.063 R)
• M3: 754,422 km (0.1 R)
• M4: 1,228,348 km (0.085 R)
• M5: 1,476,381 km (0.105 R)
• M6: 2,111,424 km (0.106 R)
• M7: 2,531,645 km (0.107 R)
• M8: 3,217,401 km (0.114 R)
• M9: 4,219,707 km (0.081 R)
• M10: 4,919,676 km (0.097 R)
• M11: 5,348,124 km (0.112 R)
• M12: 6,587,093 km (0.078 R)
• M13: 7,315,485 km (0.089 R)
• M14: 8,051,657 km (0.12 R)
• M15: 10,081,101 km (0.096 R)
• M16: 12,073,296 km (0.107 R)
• M17: 13,161,770 km (0.11 R)
• M18: 13,538,607 km (0.106 R)
• M19: 15,742,034 km (0.057 R)
• M20: 16,454,270 km (0.075 R)
• M21: 18,406,672 km (0.059 R)
• M22: 22,765,206 km (0.1 R)
• M23: 30,193,637 km (0.106 R)
• M24: 33,452,178 km (0.043 R)
• M25: 38,703,961 km (0.118 R)
• M26: 39,218,727 km (0.107 R)
• M27: 42,267,831 km (0.114 R)
• M28: 45,044,667 km (0.093 R)
• M29: 49,434,317 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 713.8

Radius: 3.4

Gravity: 61.75 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 9.26 AU - 11.82 AU

Year: 23209 Days

Day: 21.4 Hours

Environment

Temp: -245 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 91,860,495 km

• M1: 54,304 km (0.039 R)
• M2: 189,391 km (0.06 R)
• M3: 617,091 km (0.056 R)
• M4: 961,316 km (0.101 R)
• M5: 1,309,729 km (0.084 R)
• M6: 2,653,118 km (0.111 R)
• M7: 3,129,887 km (0.108 R)
• M8: 4,751,228 km (0.116 R)
• M9: 5,289,631 km (0.058 R)
• M10: 5,867,528 km (0.119 R)
• M11: 6,532,341 km (0.087 R)
• M12: 7,147,786 km (0.087 R)
• M13: 7,394,473 km (0.086 R)
• M14: 7,904,901 km (0.106 R)
• M15: 10,369,077 km (0.094 R)
• M16: 11,469,968 km (0.104 R)
• M17: 12,433,229 km (0.073 R)
• M18: 14,835,022 km (0.059 R)
• M19: 15,155,461 km (0.105 R)
• M20: 15,644,796 km (0.058 R)
• M21: 16,144,453 km (0.088 R)
• M22: 18,433,150 km (0.084 R)
• M23: 20,829,110 km (0.05 R)
• M24: 23,532,643 km (0.115 R)
• M25: 25,080,981 km (0.113 R)
• M26: 27,649,277 km (0.098 R)
• M27: 33,300,636 km (0.112 R)
• M28: 33,711,731 km (0.047 R)
• M29: 35,818,368 km (0.09 R)
• M30: 42,180,616 km (0.087 R)
• M31: 43,799,115 km (0.117 R)
• M32: 44,956,255 km (0.093 R)
• M33: 47,504,505 km (0.092 R)
• M34: 48,725,822 km (0.081 R)
• M35: 62,942,706 km (0.112 R)
• M36: 65,053,232 km (0.106 R)
• M37: 65,480,933 km (0.036 R)
• M38: 70,760,541 km (0.108 R)
• M39: 73,041,609 km (0.058 R)
• M40: 75,606,764 km (0.212 R)
• M41: 79,200,703 km (0.216 R)
• M42: 81,410,862 km (0.114 R)
• M43: 84,167,502 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 870.1

Radius: 4.3

Gravity: 47.06 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 10.43 AU - 10.85 AU

Year: 23540 Days

Day: 23.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 91,860,495 km

• M1: 64,327 km (0.086 R)
• M2: 220,208 km (0.077 R)
• M3: 879,635 km (0.111 R)
• M4: 1,141,581 km (0.08 R)
• M5: 1,436,888 km (0.109 R)
• M6: 5,251,932 km (0.049 R)
• M7: 6,380,948 km (0.051 R)
• M8: 10,854,522 km (0.1 R)
• M9: 14,429,612 km (0.119 R)
• M10: 15,663,495 km (0.119 R)
• M11: 16,966,194 km (0.099 R)
• M12: 17,145,113 km (0.04 R)
• M13: 20,383,757 km (0.087 R)
• M14: 21,304,532 km (0.11 R)
• M15: 22,039,656 km (0.079 R)
• M16: 24,688,585 km (0.08 R)
• M17: 25,852,307 km (0.108 R)
• M18: 26,089,270 km (0.092 R)
• M19: 26,447,557 km (0.056 R)
• M20: 30,212,936 km (0.111 R)
• M21: 35,039,112 km (0.096 R)
• M22: 36,506,817 km (0.044 R)
• M23: 40,513,796 km (0.095 R)
• M24: 41,316,538 km (0.113 R)
• M25: 49,205,732 km (0.098 R)
• M26: 56,037,418 km (0.045 R)
• M27: 56,833,428 km (0.067 R)
• M28: 67,204,151 km (0.096 R)
• M29: 87,257,446 km (0.115 R)
• M30: 87,790,912 km (0.07 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 13,198 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit