🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.7

Radius: 12.5

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.7 AU - 0.78 AU

Year: 432 Days

Day: 10.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,840,930 km

• M1: 155,582 km (0.108 R)
• M2: 625,768 km (0.045 R)
• M3: 1,139,637 km (0.076 R)
• M4: 1,766,302 km (0.112 R)
• M5: 2,405,384 km (0.104 R)
• M6: 2,855,973 km (0.046 R)
• M7: 3,362,960 km (0.108 R)
• M8: 4,325,473 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602

Radius: 10.6

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.77 AU - 0.81 AU

Year: 476 Days

Day: 6.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,840,930 km

• M1: 132,394 km (0.108 R)
• M2: 509,530 km (0.068 R)
• M3: 896,241 km (0.109 R)
• M4: 1,253,630 km (0.069 R)
• M5: 1,607,280 km (0.115 R)
• M6: 1,970,802 km (0.091 R)
• M7: 2,315,925 km (0.108 R)
• M8: 2,691,415 km (0.102 R)
• M9: 3,187,033 km (0.085 R)
• M10: 3,679,360 km (0.118 R)
• M11: 4,057,693 km (0.101 R)
• M12: 4,534,461 km (0.074 R)
• M13: 5,483,809 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.8

Radius: 10.1

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.82 AU - 1.32 AU

Year: 751 Days

Day: 10.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,840,930 km

• M1: 125,662 km (0.107 R)
• M2: 569,818 km (0.108 R)
• M3: 909,705 km (0.032 R)
• M4: 1,315,115 km (0.025 R)
• M5: 1,711,699 km (0.114 R)
• M6: 2,109,928 km (0.088 R)
• M7: 2,761,577 km (0.114 R)
• M8: 3,542,328 km (0.104 R)
• M9: 4,743,449 km (0.047 R)
• M10: 5,388,067 km (0.05 R)
• M11: 5,723,166 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.9

Radius: 10.8

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.28 AU - 2 AU

Year: 1424 Days

Day: 14.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,840,930 km

• M1: 134,339 km (0.115 R)
• M2: 492,327 km (0.03 R)
• M3: 876,494 km (0.085 R)
• M4: 1,312,871 km (0.036 R)
• M5: 1,670,859 km (0.072 R)
• M6: 2,945,432 km (0.068 R)
• M7: 3,882,364 km (0.037 R)
• M8: 4,634,542 km (0.116 R)
• M9: 5,898,644 km (0.108 R)
• M10: 6,359,854 km (0.085 R)
• M11: 7,255,796 km (0.11 R)
• M12: 7,708,629 km (0.09 R)
• M13: 8,180,311 km (0.037 R)
• M14: 8,671,141 km (0.085 R)
• M15: 9,181,569 km (0.118 R)
• M16: 9,681,825 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.8

Radius: 11.5

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.04 AU - 4.18 AU

Year: 4652 Days

Day: 8.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,840,930 km

• M1: 143,016 km (0.094 R)
• M2: 541,843 km (0.1 R)
• M3: 920,326 km (0.099 R)
• M4: 1,536,969 km (0.066 R)
• M5: 2,313,082 km (0.091 R)
• M6: 2,907,734 km (0.049 R)
• M7: 4,138,625 km (0.072 R)
• M8: 4,563,932 km (0.115 R)
• M9: 5,424,568 km (0.054 R)
• M10: 5,852,717 km (0.111 R)
• M11: 6,899,005 km (0.11 R)
• M12: 7,402,252 km (0.071 R)
• M13: 8,660,670 km (0.116 R)
• M14: 9,209,694 km (0.108 R)
• M15: 12,310,558 km (0.056 R)
• M16: 12,864,220 km (0.066 R)
• M17: 14,523,709 km (0.075 R)
• M18: 16,376,479 km (0.104 R)
• M19: 20,354,436 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.6

Radius: 11.6

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.84 AU - 4.48 AU

Year: 4749 Days

Day: 5.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,840,930 km

• M1: 195,674 km (0.1 R)
• M2: 634,295 km (0.119 R)
• M3: 1,060,350 km (0.099 R)
• M4: 1,645,726 km (0.099 R)
• M5: 2,226,615 km (0.098 R)
• M6: 2,598,665 km (0.1 R)
• M7: 2,976,549 km (0.057 R)
• M8: 3,371,637 km (0.059 R)
• M9: 4,724,002 km (0.067 R)
• M10: 5,372,359 km (0.104 R)
• M11: 5,846,584 km (0.104 R)
• M12: 6,348,634 km (0.067 R)
• M13: 7,405,543 km (0.047 R)
• M14: 8,992,627 km (0.101 R)
• M15: 10,408,571 km (0.082 R)
• M16: 11,598,473 km (0.06 R)
• M17: 14,300,060 km (0.114 R)
• M18: 14,832,778 km (0.115 R)
• M19: 16,051,702 km (0.102 R)
• M20: 16,511,117 km (0.098 R)
• M21: 18,687,916 km (0.109 R)
• M22: 19,325,053 km (0.058 R)
• M23: 21,809,425 km (0.089 R)
• M24: 23,604,001 km (0.106 R)
• M25: 24,803,028 km (0.071 R)
• M26: 25,185,849 km (0.112 R)
• M27: 27,079,010 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 863.2

Radius: 5.4

Gravity: 29.6 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.53 AU - 6.55 AU

Year: 11344 Days

Day: 21.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 75,840,930 km

• M1: 67,169 km (0.087 R)
• M2: 289,023 km (0.044 R)
• M3: 742,604 km (0.074 R)
• M4: 956,529 km (0.107 R)
• M5: 1,275,621 km (0.099 R)
• M6: 1,496,428 km (0.091 R)
• M7: 1,927,569 km (0.091 R)
• M8: 2,604,948 km (0.062 R)
• M9: 3,276,941 km (0.088 R)
• M10: 3,613,237 km (0.102 R)
• M11: 4,145,656 km (0.119 R)
• M12: 4,385,013 km (0.11 R)
• M13: 5,649,713 km (0.114 R)
• M14: 7,749,918 km (0.114 R)
• M15: 8,067,514 km (0.076 R)
• M16: 9,425,115 km (0.071 R)
• M17: 9,682,722 km (0.116 R)
• M18: 11,327,700 km (0.118 R)
• M19: 11,736,851 km (0.112 R)
• M20: 12,460,904 km (0.1 R)
• M21: 13,537,261 km (0.114 R)
• M22: 14,468,956 km (0.086 R)
• M23: 16,459,207 km (0.11 R)
• M24: 16,757,804 km (0.069 R)
• M25: 19,194,753 km (0.04 R)
• M26: 22,128,218 km (0.086 R)
• M27: 25,545,931 km (0.103 R)
• M28: 30,069,621 km (0.099 R)
• M29: 31,307,094 km (0.094 R)
• M30: 38,397,435 km (0.102 R)
• M31: 40,934,166 km (0.091 R)
• M32: 44,151,717 km (0.096 R)
• M33: 48,443,830 km (0.086 R)
• M34: 52,682,237 km (0.107 R)
• M35: 55,641,282 km (0.104 R)
• M36: 56,313,426 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.4

Radius: 7.4

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.31 AU - 7.95 AU

Year: 11579 Days

Day: 18.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 75,840,930 km

• M1: 92,751 km (0.115 R)
• M2: 369,357 km (0.063 R)
• M3: 749,336 km (0.062 R)
• M4: 1,184,217 km (0.098 R)
• M5: 2,256,235 km (0.115 R)
• M6: 3,053,442 km (0.099 R)
• M7: 4,052,457 km (0.086 R)
• M8: 5,190,448 km (0.06 R)
• M9: 6,714,551 km (0.107 R)
• M10: 8,080,828 km (0.063 R)
• M11: 9,671,203 km (0.09 R)
• M12: 10,111,769 km (0.119 R)
• M13: 11,787,265 km (0.049 R)
• M14: 13,338,296 km (0.116 R)
• M15: 15,085,748 km (0.101 R)
• M16: 16,770,221 km (0.062 R)
• M17: 17,549,625 km (0.112 R)
• M18: 18,726,213 km (0.074 R)
• M19: 22,741,120 km (0.111 R)
• M20: 24,857,781 km (0.098 R)
• M21: 27,198,538 km (0.066 R)
• M22: 27,879,358 km (0.078 R)
• M23: 36,486,771 km (0.112 R)
• M24: 37,195,865 km (0.099 R)
• M25: 37,913,935 km (0.097 R)
• M26: 41,260,290 km (0.112 R)
• M27: 42,418,027 km (0.116 R)
• M28: 42,678,178 km (0.088 R)
• M29: 43,070,573 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.3

Radius: 4.8

Gravity: 17.2 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.19 AU - 8.65 AU

Year: 16571 Days

Day: 16.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,840,930 km

• M1: 60,737 km (0.107 R)
• M2: 219,610 km (0.112 R)
• M3: 662,719 km (0.12 R)
• M4: 1,450,651 km (0.045 R)
• M5: 3,995,460 km (0.062 R)
• M6: 6,394,411 km (0.086 R)
• M7: 7,735,706 km (0.1 R)
• M8: 11,828,704 km (0.115 R)
• M9: 14,297,816 km (0.084 R)
• M10: 15,688,329 km (0.096 R)
• M11: 18,896,754 km (0.119 R)
• M12: 27,086,639 km (0.104 R)
• M13: 44,710,615 km (0.093 R)
• M14: 45,290,606 km (0.1 R)
• M15: 48,265,359 km (0.053 R)
• M16: 49,336,480 km (0.103 R)
• M17: 55,262,949 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.9

Radius: 5

Gravity: 20.56 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 9.2 AU - 11.74 AU

Year: 22978 Days

Day: 22.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,840,930 km

• M1: 63,130 km (0.064 R)
• M2: 361,129 km (0.099 R)
• M3: 590,164 km (0.099 R)
• M4: 1,910,365 km (0.062 R)
• M5: 2,860,461 km (0.095 R)
• M6: 3,066,906 km (0.073 R)
• M7: 3,994,712 km (0.119 R)
• M8: 6,003,512 km (0.047 R)
• M9: 6,739,833 km (0.101 R)
• M10: 7,730,620 km (0.1 R)
• M11: 8,547,873 km (0.101 R)
• M12: 9,087,023 km (0.059 R)
• M13: 9,364,976 km (0.093 R)
• M14: 9,937,936 km (0.066 R)
• M15: 12,877,235 km (0.114 R)
• M16: 13,228,042 km (0.099 R)
• M17: 13,441,518 km (0.094 R)
• M18: 18,830,482 km (0.111 R)
• M19: 22,246,849 km (0.047 R)
• M20: 23,058,268 km (0.051 R)
• M21: 28,228,819 km (0.117 R)
• M22: 28,464,436 km (0.066 R)
• M23: 31,144,482 km (0.071 R)
• M24: 33,988,038 km (0.115 R)
• M25: 37,000,041 km (0.097 R)
• M26: 40,933,717 km (0.099 R)
• M27: 45,621,217 km (0.099 R)
• M28: 53,844,762 km (0.099 R)
• M29: 54,571,658 km (0.089 R)
• M30: 69,437,497 km (0.114 R)
• M31: 70,082,563 km (0.097 R)
• M32: 70,948,735 km (0.104 R)
• M33: 74,260,682 km (0.099 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 15,762 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit