🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.9

Radius: 14.4

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.71 AU - 1.05 AU

Year: 570 Days

Day: 9.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,674,057 km

• M1: 179,218 km (0.12 R)
• M2: 628,161 km (0.101 R)
• M3: 1,185,862 km (0.049 R)
• M4: 1,879,996 km (0.114 R)
• M5: 2,370,079 km (0.056 R)
• M6: 3,127,493 km (0.115 R)
• M7: 3,864,711 km (0.114 R)
• M8: 4,547,925 km (0.072 R)
• M9: 5,310,724 km (0.082 R)
• M10: 6,421,040 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.8

Radius: 9.2

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.75 AU - 1.13 AU

Year: 629 Days

Day: 8.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,674,057 km

• M1: 114,442 km (0.117 R)
• M2: 413,189 km (0.096 R)
• M3: 1,302,100 km (0.112 R)
• M4: 2,110,078 km (0.081 R)
• M5: 2,424,233 km (0.079 R)
• M6: 2,914,615 km (0.092 R)
• M7: 3,281,429 km (0.063 R)
• M8: 4,494,369 km (0.11 R)
• M9: 4,855,648 km (0.102 R)
• M10: 5,253,279 km (0.095 R)
• M11: 5,945,917 km (0.116 R)
• M12: 6,558,670 km (0.099 R)
• M13: 7,024,518 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.3

Radius: 14.7

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.95 AU - 1.31 AU

Year: 829 Days

Day: 10.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,674,057 km

• M1: 198,217 km (0.051 R)
• M2: 1,013,974 km (0.107 R)
• M3: 1,909,467 km (0.068 R)
• M4: 4,557,948 km (0.076 R)
• M5: 5,058,951 km (0.043 R)
• M6: 6,876,565 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.5

Radius: 10.3

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.56 AU - 2.4 AU

Year: 1923 Days

Day: 5.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,674,057 km

• M1: 129,402 km (0.089 R)
• M2: 587,620 km (0.062 R)
• M3: 914,043 km (0.057 R)
• M4: 1,651,710 km (0.056 R)
• M5: 2,839,218 km (0.092 R)
• M6: 3,598,278 km (0.068 R)
• M7: 4,101,824 km (0.078 R)
• M8: 8,613,845 km (0.105 R)
• M9: 9,577,555 km (0.119 R)
• M10: 9,976,233 km (0.111 R)
• M11: 10,546,799 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.6

Radius: 11.3

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.61 AU - 3.47 AU

Year: 3659 Days

Day: 6.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,674,057 km

• M1: 140,472 km (0.097 R)
• M2: 496,366 km (0.119 R)
• M3: 2,614,971 km (0.076 R)
• M4: 4,824,382 km (0.108 R)
• M5: 6,303,605 km (0.053 R)
• M6: 7,039,926 km (0.107 R)
• M7: 7,702,196 km (0.118 R)
• M8: 10,252,391 km (0.049 R)
• M9: 13,413,992 km (0.045 R)
• M10: 15,501,032 km (0.09 R)
• M11: 15,921,851 km (0.106 R)
• M12: 16,458,608 km (0.106 R)
• M13: 18,025,945 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.4

Radius: 9.2

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.47 AU - 3.63 AU

Year: 3677 Days

Day: 10.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,674,057 km

• M1: 118,781 km (0.093 R)
• M2: 490,681 km (0.099 R)
• M3: 787,334 km (0.088 R)
• M4: 1,343,090 km (0.089 R)
• M5: 2,453,854 km (0.064 R)
• M6: 3,169,380 km (0.099 R)
• M7: 3,860,822 km (0.117 R)
• M8: 4,807,477 km (0.086 R)
• M9: 6,252,742 km (0.079 R)
• M10: 7,179,501 km (0.093 R)
• M11: 7,855,833 km (0.092 R)
• M12: 8,633,293 km (0.118 R)
• M13: 9,272,674 km (0.118 R)
• M14: 9,652,055 km (0.109 R)
• M15: 9,943,322 km (0.077 R)
• M16: 11,167,780 km (0.075 R)
• M17: 12,262,687 km (0.108 R)
• M18: 12,566,371 km (0.056 R)
• M19: 13,188,847 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.8

Radius: 10.5

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.57 AU - 4.11 AU

Year: 4213 Days

Day: 10 Hours

Environment

Temp: -208 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,674,057 km

• M1: 130,599 km (0.055 R)
• M2: 510,278 km (0.11 R)
• M3: 865,424 km (0.059 R)
• M4: 1,262,905 km (0.087 R)
• M5: 2,370,229 km (0.101 R)
• M6: 3,658,416 km (0.067 R)
• M7: 4,262,043 km (0.119 R)
• M8: 5,096,650 km (0.043 R)
• M9: 5,565,639 km (0.026 R)
• M10: 6,036,573 km (0.074 R)
• M11: 6,792,641 km (0.083 R)
• M12: 8,257,952 km (0.114 R)
• M13: 8,629,254 km (0.101 R)
• M14: 9,588,625 km (0.092 R)
• M15: 11,634,226 km (0.088 R)
• M16: 12,803,932 km (0.079 R)
• M17: 13,302,392 km (0.112 R)
• M18: 14,386,378 km (0.077 R)
• M19: 15,579,272 km (0.095 R)
• M20: 17,601,237 km (0.104 R)
• M21: 18,048,235 km (0.065 R)
• M22: 18,388,421 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.1

Radius: 10.5

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.19 AU - 3.83 AU

Year: 4539 Days

Day: 12.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,674,057 km

• M1: 133,292 km (0.092 R)
• M2: 696,228 km (0.071 R)
• M3: 1,286,691 km (0.109 R)
• M4: 1,682,677 km (0.029 R)
• M5: 2,262,967 km (0.067 R)
• M6: 3,845,413 km (0.109 R)
• M7: 5,274,073 km (0.111 R)
• M8: 6,153,260 km (0.095 R)
• M9: 6,612,375 km (0.089 R)
• M10: 7,193,414 km (0.055 R)
• M11: 7,530,757 km (0.081 R)
• M12: 8,420,864 km (0.107 R)
• M13: 9,339,694 km (0.049 R)
• M14: 11,604,307 km (0.098 R)
• M15: 12,888,605 km (0.098 R)
• M16: 13,641,830 km (0.07 R)
• M17: 15,402,148 km (0.114 R)
• M18: 16,891,993 km (0.117 R)
• M19: 17,916,739 km (0.082 R)
• M20: 19,174,707 km (0.11 R)
• M21: 19,891,131 km (0.095 R)
• M22: 23,155,357 km (0.113 R)
• M23: 23,596,222 km (0.113 R)
• M24: 25,183,605 km (0.082 R)
• M25: 25,885,219 km (0.079 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.1

Radius: 10.8

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.96 AU - 4.06 AU

Year: 5543 Days

Day: 5.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,674,057 km

• M1: 148,999 km (0.074 R)
• M2: 999,314 km (0.11 R)
• M3: 1,435,691 km (0.115 R)
• M4: 1,866,383 km (0.117 R)
• M5: 2,539,873 km (0.042 R)
• M6: 2,894,569 km (0.11 R)
• M7: 3,500,590 km (0.054 R)
• M8: 4,139,074 km (0.09 R)
• M9: 4,715,325 km (0.108 R)
• M10: 5,773,281 km (0.118 R)
• M11: 6,596,518 km (0.096 R)
• M12: 7,800,631 km (0.069 R)
• M13: 9,896,498 km (0.082 R)
• M14: 12,448,787 km (0.049 R)
• M15: 14,630,522 km (0.12 R)
• M16: 14,987,463 km (0.109 R)
• M17: 17,920,479 km (0.073 R)
• M18: 19,450,117 km (0.081 R)
• M19: 21,444,256 km (0.098 R)
• M20: 23,571,089 km (0.053 R)
• M21: 27,064,200 km (0.111 R)
• M22: 29,074,047 km (0.106 R)
• M23: 30,403,673 km (0.058 R)
• M24: 34,321,043 km (0.068 R)
• M25: 35,805,652 km (0.1 R)

Asteroid Belt

Center: 6.46 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.5

Radius: 7.8

Gravity: 12.63 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.14 AU - 10.68 AU

Year: 18358 Days

Day: 19.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,674,057 km

• M1: 97,239 km (0.059 R)
• M2: 419,921 km (0.071 R)
• M3: 838,197 km (0.089 R)
• M4: 1,115,103 km (0.104 R)
• M5: 2,151,068 km (0.111 R)
• M6: 2,517,882 km (0.099 R)
• M7: 2,850,887 km (0.028 R)
• M8: 3,518,841 km (0.057 R)
• M9: 4,834,255 km (0.048 R)
• M10: 5,274,671 km (0.035 R)
• M11: 5,543,648 km (0.062 R)
• M12: 6,892,871 km (0.087 R)
• M13: 7,988,975 km (0.109 R)
• M14: 8,241,945 km (0.093 R)
• M15: 9,931,653 km (0.107 R)
• M16: 11,645,596 km (0.075 R)
• M17: 13,405,615 km (0.064 R)
• M18: 13,691,197 km (0.062 R)
• M19: 17,024,537 km (0.112 R)
• M20: 22,326,734 km (0.092 R)
• M21: 22,627,576 km (0.114 R)
• M22: 23,546,406 km (0.041 R)
• M23: 26,564,094 km (0.073 R)
• M24: 27,471,405 km (0.038 R)
• M25: 36,034,985 km (0.118 R)
• M26: 36,449,072 km (0.117 R)
• M27: 37,006,175 km (0.117 R)
• M28: 37,427,742 km (0.051 R)
• M29: 41,821,132 km (0.092 R)
• M30: 52,671,466 km (0.07 R)
• M31: 54,645,110 km (0.073 R)
• M32: 55,191,741 km (0.108 R)
• M33: 56,667,524 km (0.094 R)
• M34: 66,698,510 km (0.072 R)
• M35: 70,288,260 km (0.093 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: 535 - 11,069 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit