🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.55 AU - 0.69 AU

Year: 315 Days

Day: 41.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 82,143,673 km

• M1: 165,455 km (0.05 R)
• M2: 262,694 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.1

Radius: 14

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.05 AU - 1.07 AU

Year: 705 Days

Day: 13.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,143,673 km

• M1: 174,132 km (0.099 R)
• M2: 615,894 km (0.057 R)
• M3: 1,693,597 km (0.095 R)
• M4: 2,219,284 km (0.099 R)
• M5: 3,087,700 km (0.098 R)
• M6: 3,552,501 km (0.115 R)
• M7: 4,298,695 km (0.07 R)
• M8: 5,592,866 km (0.076 R)
• M9: 6,477,588 km (0.12 R)
• M10: 7,407,339 km (0.085 R)
• M11: 8,399,023 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.6

Radius: 8.5

Gravity: 12.78 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.26 AU - 1.6 AU

Year: 1104 Days

Day: 8.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,143,673 km

• M1: 105,766 km (0.067 R)
• M2: 462,108 km (0.117 R)
• M3: 981,811 km (0.112 R)
• M4: 1,400,535 km (0.117 R)
• M5: 1,794,726 km (0.072 R)
• M6: 2,512,047 km (0.074 R)
• M7: 2,985,076 km (0.088 R)
• M8: 3,500,740 km (0.05 R)
• M9: 4,786,384 km (0.106 R)
• M10: 5,535,869 km (0.081 R)
• M11: 6,039,864 km (0.073 R)
• M12: 6,338,013 km (0.041 R)
• M13: 6,718,590 km (0.089 R)
• M14: 7,063,862 km (0.064 R)
• M15: 7,710,125 km (0.069 R)
• M16: 8,061,530 km (0.067 R)
• M17: 9,180,073 km (0.107 R)
• M18: 11,581,568 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.9

Radius: 13.8

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.69 AU - 2.49 AU

Year: 1951 Days

Day: 6.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,143,673 km

• M1: 171,589 km (0.064 R)
• M2: 970,591 km (0.095 R)
• M3: 1,476,531 km (0.085 R)
• M4: 1,955,693 km (0.096 R)
• M5: 2,798,079 km (0.117 R)
• M6: 5,644,627 km (0.09 R)
• M7: 6,417,898 km (0.112 R)

Asteroid Belt

Center: 2.76 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.1

Radius: 8.3

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.36 AU - 3.5 AU

Year: 4102 Days

Day: 8 Hours

Environment

Temp: -206 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,143,673 km

• M1: 103,971 km (0.117 R)
• M2: 423,063 km (0.113 R)
• M3: 688,599 km (0.12 R)
• M4: 1,351,617 km (0.077 R)
• M5: 1,860,549 km (0.031 R)
• M6: 4,239,753 km (0.09 R)
• M7: 5,405,270 km (0.101 R)
• M8: 6,188,565 km (0.108 R)
• M9: 6,892,273 km (0.045 R)
• M10: 7,878,871 km (0.084 R)
• M11: 8,250,771 km (0.111 R)
• M12: 8,563,581 km (0.074 R)
• M13: 8,993,076 km (0.033 R)
• M14: 10,733,049 km (0.105 R)
• M15: 11,064,259 km (0.117 R)
• M16: 12,824,277 km (0.057 R)
• M17: 14,261,315 km (0.065 R)
• M18: 14,712,651 km (0.037 R)
• M19: 15,121,802 km (0.091 R)
• M20: 16,016,397 km (0.04 R)
• M21: 16,286,122 km (0.12 R)
• M22: 16,668,793 km (0.12 R)
• M23: 17,113,398 km (0.074 R)
• M24: 17,623,078 km (0.083 R)
• M25: 18,142,931 km (0.101 R)
• M26: 19,763,823 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.5

Radius: 14

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.88 AU - 4.38 AU

Year: 4466 Days

Day: 9.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,143,673 km

• M1: 174,132 km (0.111 R)
• M2: 688,449 km (0.115 R)
• M3: 1,645,277 km (0.046 R)
• M4: 2,147,777 km (0.11 R)
• M5: 2,856,272 km (0.098 R)
• M6: 3,372,834 km (0.097 R)
• M7: 3,843,768 km (0.116 R)
• M8: 6,677,002 km (0.106 R)
• M9: 7,907,893 km (0.088 R)
• M10: 8,559,093 km (0.102 R)
• M11: 9,643,079 km (0.092 R)
• M12: 10,904,039 km (0.058 R)
• M13: 11,989,821 km (0.114 R)
• M14: 14,323,547 km (0.09 R)
• M15: 14,802,859 km (0.063 R)
• M16: 16,133,682 km (0.104 R)
• M17: 17,603,331 km (0.118 R)
• M18: 19,288,850 km (0.074 R)
• M19: 23,051,685 km (0.059 R)
• M20: 25,685,954 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75

Radius: 14.1

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.38 AU - 4.14 AU

Year: 4708 Days

Day: 14.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,143,673 km

• M1: 176,675 km (0.107 R)
• M2: 645,664 km (0.086 R)
• M3: 1,112,709 km (0.077 R)
• M4: 1,681,181 km (0.085 R)
• M5: 2,381,149 km (0.102 R)
• M6: 3,032,498 km (0.075 R)
• M7: 4,996,868 km (0.091 R)
• M8: 7,138,062 km (0.096 R)
• M9: 11,339,070 km (0.036 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.6

Radius: 3.8

Gravity: 63.13 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.89 AU - 7.83 AU

Year: 11601 Days

Day: 17.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 82,143,673 km

• M1: 47,423 km (0.045 R)
• M2: 172,187 km (0.104 R)
• M3: 294,558 km (0.117 R)
• M4: 478,564 km (0.099 R)
• M5: 811,718 km (0.095 R)
• M6: 1,154,297 km (0.063 R)
• M7: 1,730,249 km (0.073 R)
• M8: 2,025,555 km (0.097 R)
• M9: 2,541,069 km (0.116 R)
• M10: 2,806,456 km (0.095 R)
• M11: 3,041,474 km (0.095 R)
• M12: 4,055,897 km (0.073 R)
• M13: 4,264,886 km (0.12 R)
• M14: 4,575,600 km (0.08 R)
• M15: 5,035,764 km (0.091 R)
• M16: 13,642,727 km (0.05 R)
• M17: 16,242,738 km (0.092 R)
• M18: 17,462,559 km (0.067 R)
• M19: 19,572,937 km (0.087 R)
• M20: 20,083,065 km (0.115 R)
• M21: 20,514,805 km (0.08 R)
• M22: 21,041,090 km (0.093 R)
• M23: 23,904,393 km (0.115 R)
• M24: 27,121,645 km (0.111 R)
• M25: 30,843,491 km (0.109 R)
• M26: 32,826,111 km (0.074 R)
• M27: 33,064,720 km (0.118 R)
• M28: 33,184,548 km (0.108 R)
• M29: 39,684,276 km (0.073 R)
• M30: 40,775,144 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770

Radius: 6.8

Gravity: 16.65 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.19 AU - 7.55 AU

Year: 12919 Days

Day: 20.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,143,673 km

• M1: 84,523 km (0.108 R)
• M2: 312,959 km (0.107 R)
• M3: 647,011 km (0.118 R)
• M4: 880,383 km (0.104 R)
• M5: 1,134,101 km (0.085 R)
• M6: 1,366,577 km (0.069 R)
• M7: 2,323,853 km (0.099 R)
• M8: 2,978,793 km (0.025 R)
• M9: 3,778,244 km (0.085 R)
• M10: 4,712,931 km (0.09 R)
• M11: 5,681,877 km (0.08 R)
• M12: 6,135,607 km (0.086 R)
• M13: 7,287,959 km (0.064 R)
• M14: 8,384,961 km (0.067 R)
• M15: 8,626,711 km (0.055 R)
• M16: 10,067,638 km (0.054 R)
• M17: 11,307,205 km (0.101 R)
• M18: 12,519,397 km (0.1 R)
• M19: 12,835,497 km (0.051 R)
• M20: 13,352,358 km (0.11 R)
• M21: 15,057,325 km (0.107 R)
• M22: 18,159,237 km (0.109 R)
• M23: 18,482,967 km (0.068 R)
• M24: 19,058,619 km (0.085 R)
• M25: 19,731,211 km (0.104 R)
• M26: 21,123,668 km (0.091 R)
• M27: 31,456,692 km (0.115 R)
• M28: 32,159,054 km (0.059 R)
• M29: 32,633,130 km (0.079 R)
• M30: 46,052,358 km (0.1 R)
• M31: 50,697,372 km (0.056 R)
• M32: 52,475,941 km (0.091 R)
• M33: 53,132,825 km (0.078 R)
• M34: 57,363,453 km (0.101 R)
• M35: 58,060,579 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.4

Radius: 6.1

Gravity: 19.25 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 8.92 AU - 12.06 AU

Year: 21937 Days

Day: 16.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,143,673 km

• M1: 76,594 km (0.097 R)
• M2: 273,315 km (0.097 R)
• M3: 665,860 km (0.052 R)
• M4: 1,358,199 km (0.1 R)
• M5: 1,568,833 km (0.101 R)
• M6: 1,820,157 km (0.116 R)
• M7: 2,119,054 km (0.112 R)
• M8: 3,216,803 km (0.053 R)
• M9: 4,650,549 km (0.118 R)
• M10: 5,367,721 km (0.119 R)
• M11: 6,026,700 km (0.107 R)
• M12: 6,420,441 km (0.098 R)
• M13: 6,971,859 km (0.074 R)
• M14: 9,265,793 km (0.111 R)
• M15: 9,790,283 km (0.054 R)
• M16: 11,026,410 km (0.046 R)
• M17: 14,956,496 km (0.115 R)
• M18: 15,841,068 km (0.071 R)
• M19: 18,521,114 km (0.1 R)
• M20: 18,887,479 km (0.051 R)
• M21: 22,822,352 km (0.086 R)
• M22: 23,456,198 km (0.101 R)
• M23: 25,315,550 km (0.119 R)
• M24: 27,035,926 km (0.031 R)
• M25: 29,448,790 km (0.064 R)
• M26: 29,697,720 km (0.055 R)
• M27: 31,479,730 km (0.105 R)
• M28: 33,331,752 km (0.075 R)
• M29: 35,535,777 km (0.116 R)
• M30: 41,001,186 km (0.057 R)
• M31: 67,158,075 km (0.114 R)
• M32: 72,231,387 km (0.115 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 12,406 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit