🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.91 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.5

Radius: 9.2

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.66 AU - 1.96 AU

Year: 1652 Days

Day: 9.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,569,001 km

• M1: 114,442 km (0.086 R)
• M2: 432,188 km (0.102 R)
• M3: 801,695 km (0.089 R)
• M4: 1,179,579 km (0.076 R)
• M5: 1,490,444 km (0.114 R)
• M6: 1,957,039 km (0.084 R)
• M7: 2,386,684 km (0.097 R)
• M8: 3,099,069 km (0.091 R)
• M9: 3,421,154 km (0.053 R)
• M10: 3,765,678 km (0.104 R)
• M11: 5,239,366 km (0.114 R)
• M12: 5,528,689 km (0.059 R)
• M13: 6,253,041 km (0.068 R)
• M14: 7,039,328 km (0.09 R)
• M15: 8,161,013 km (0.039 R)
• M16: 9,888,270 km (0.069 R)
• M17: 10,525,557 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.4

Radius: 11.8

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.45 AU - 3.61 AU

Year: 3577 Days

Day: 14.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,569,001 km

• M1: 146,756 km (0.087 R)
• M2: 712,235 km (0.102 R)
• M3: 1,522,009 km (0.116 R)
• M4: 1,955,095 km (0.115 R)
• M5: 3,778,842 km (0.051 R)
• M6: 4,237,958 km (0.096 R)
• M7: 5,315,362 km (0.12 R)
• M8: 5,769,840 km (0.073 R)
• M9: 6,172,558 km (0.073 R)
• M10: 6,593,975 km (0.05 R)
• M11: 7,176,359 km (0.113 R)
• M12: 9,506,645 km (0.093 R)
• M13: 10,544,406 km (0.114 R)
• M14: 11,264,420 km (0.1 R)
• M15: 12,097,830 km (0.089 R)
• M16: 15,270,053 km (0.112 R)
• M17: 16,691,532 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.1

Radius: 12.5

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.24 AU - 5.38 AU

Year: 6069 Days

Day: 14.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,569,001 km

• M1: 156,330 km (0.079 R)
• M2: 568,771 km (0.051 R)
• M3: 960,568 km (0.088 R)
• M4: 1,519,615 km (0.1 R)
• M5: 2,274,785 km (0.092 R)
• M6: 2,882,153 km (0.089 R)
• M7: 3,618,473 km (0.046 R)
• M8: 4,044,079 km (0.099 R)
• M9: 6,258,277 km (0.117 R)
• M10: 7,382,356 km (0.12 R)
• M11: 9,314,711 km (0.08 R)
• M12: 10,825,650 km (0.079 R)
• M13: 13,251,828 km (0.084 R)
• M14: 13,982,315 km (0.069 R)
• M15: 14,977,888 km (0.119 R)
• M16: 15,895,223 km (0.11 R)
• M17: 16,335,938 km (0.096 R)
• M18: 17,506,691 km (0.102 R)
• M19: 18,180,928 km (0.062 R)
• M20: 18,942,382 km (0.109 R)
• M21: 19,725,078 km (0.082 R)
• M22: 21,279,100 km (0.102 R)
• M23: 22,281,107 km (0.055 R)
• M24: 26,342,539 km (0.055 R)
• M25: 30,099,989 km (0.044 R)
• M26: 30,775,424 km (0.073 R)
• M27: 33,270,417 km (0.091 R)
• M28: 33,681,811 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.1

Radius: 14.9

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.72 AU - 4.9 AU

Year: 6069 Days

Day: 13.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,569,001 km

• M1: 185,352 km (0.073 R)
• M2: 1,357,301 km (0.117 R)
• M3: 2,310,090 km (0.091 R)
• M4: 2,788,953 km (0.094 R)
• M5: 3,572,996 km (0.117 R)
• M6: 4,429,144 km (0.075 R)
• M7: 5,527,941 km (0.104 R)
• M8: 8,083,521 km (0.118 R)
• M9: 9,926,118 km (0.039 R)
• M10: 10,427,720 km (0.084 R)
• M11: 10,946,226 km (0.089 R)
• M12: 13,345,327 km (0.067 R)
• M13: 15,347,844 km (0.07 R)
• M14: 16,248,274 km (0.078 R)
• M15: 18,031,480 km (0.086 R)
• M16: 19,290,795 km (0.041 R)
• M17: 20,406,646 km (0.106 R)
• M18: 23,421,192 km (0.118 R)
• M19: 26,801,655 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.9

Radius: 9.7

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.97 AU - 5.45 AU

Year: 6933 Days

Day: 7.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,569,001 km

• M1: 120,576 km (0.085 R)
• M2: 574,605 km (0.106 R)
• M3: 1,226,553 km (0.112 R)
• M4: 2,162,437 km (0.054 R)
• M5: 2,538,077 km (0.111 R)
• M6: 2,923,292 km (0.07 R)
• M7: 3,459,750 km (0.103 R)
• M8: 4,729,686 km (0.091 R)
• M9: 6,089,232 km (0.095 R)
• M10: 9,186,955 km (0.063 R)
• M11: 9,751,088 km (0.069 R)
• M12: 14,467,610 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.4

Radius: 14.6

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.83 AU - 5.29 AU

Year: 7720 Days

Day: 9.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 71.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,569,001 km

• M1: 181,612 km (0.1 R)
• M2: 676,781 km (0.11 R)
• M3: 1,227,750 km (0.067 R)
• M4: 1,912,609 km (0.074 R)
• M5: 2,667,928 km (0.109 R)
• M6: 3,138,115 km (0.113 R)
• M7: 3,712,570 km (0.103 R)
• M8: 4,195,771 km (0.068 R)
• M9: 5,706,261 km (0.108 R)
• M10: 6,178,691 km (0.095 R)
• M11: 7,241,135 km (0.083 R)
• M12: 10,063,000 km (0.067 R)
• M13: 11,427,033 km (0.054 R)
• M14: 11,962,444 km (0.071 R)
• M15: 13,849,472 km (0.088 R)
• M16: 14,644,884 km (0.077 R)
• M17: 16,938,369 km (0.109 R)
• M18: 17,635,495 km (0.109 R)
• M19: 18,279,214 km (0.056 R)
• M20: 19,689,773 km (0.118 R)
• M21: 25,607,416 km (0.082 R)
• M22: 28,821,526 km (0.117 R)
• M23: 32,083,956 km (0.104 R)
• M24: 32,615,029 km (0.039 R)
• M25: 34,464,806 km (0.116 R)
• M26: 36,383,698 km (0.101 R)
• M27: 39,091,868 km (0.097 R)

Asteroid Belt

Center: 6.1 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.2

Radius: 5

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.58 AU - 8.68 AU

Year: 12913 Days

Day: 19.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,569,001 km

• M1: 62,981 km (0.113 R)
• M2: 300,542 km (0.082 R)
• M3: 498,610 km (0.116 R)
• M4: 820,844 km (0.087 R)
• M5: 1,717,683 km (0.088 R)
• M6: 2,648,331 km (0.05 R)
• M7: 2,966,825 km (0.099 R)
• M8: 3,809,360 km (0.098 R)
• M9: 4,168,844 km (0.092 R)
• M10: 4,649,651 km (0.12 R)
• M11: 5,247,295 km (0.099 R)
• M12: 5,807,389 km (0.092 R)
• M13: 6,752,848 km (0.12 R)
• M14: 7,483,334 km (0.101 R)
• M15: 7,691,425 km (0.109 R)
• M16: 8,450,185 km (0.115 R)
• M17: 10,936,053 km (0.056 R)
• M18: 12,177,117 km (0.082 R)
• M19: 17,531,374 km (0.116 R)
• M20: 22,571,327 km (0.109 R)
• M21: 23,594,277 km (0.087 R)
• M22: 24,343,613 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.8

Radius: 5.4

Gravity: 29.25 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.46 AU - 10.32 AU

Year: 16483 Days

Day: 24.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,569,001 km

• M1: 67,169 km (0.118 R)
• M2: 395,986 km (0.113 R)
• M3: 1,048,531 km (0.116 R)
• M4: 1,245,103 km (0.087 R)
• M5: 1,893,909 km (0.109 R)
• M6: 3,365,354 km (0.088 R)
• M7: 3,918,866 km (0.082 R)
• M8: 6,973,206 km (0.039 R)
• M9: 8,524,386 km (0.12 R)
• M10: 10,829,839 km (0.076 R)
• M11: 13,170,597 km (0.111 R)
• M12: 14,384,882 km (0.116 R)
• M13: 14,905,932 km (0.11 R)
• M14: 15,594,232 km (0.107 R)
• M15: 16,223,590 km (0.102 R)
• M16: 17,786,140 km (0.04 R)
• M17: 18,041,653 km (0.095 R)
• M18: 18,386,177 km (0.073 R)
• M19: 21,302,438 km (0.045 R)
• M20: 23,273,539 km (0.108 R)
• M21: 23,579,317 km (0.058 R)
• M22: 24,094,981 km (0.092 R)
• M23: 26,122,930 km (0.036 R)
• M24: 26,897,996 km (0.065 R)
• M25: 28,262,030 km (0.105 R)
• M26: 31,004,009 km (0.061 R)
• M27: 32,884,903 km (0.077 R)
• M28: 33,141,314 km (0.1 R)
• M29: 36,459,544 km (0.055 R)
• M30: 37,148,891 km (0.107 R)
• M31: 38,411,348 km (0.103 R)
• M32: 40,873,429 km (0.061 R)
• M33: 47,077,702 km (0.064 R)
• M34: 52,296,573 km (0.038 R)
• M35: 54,954,778 km (0.076 R)
• M36: 60,731,200 km (0.065 R)
• M37: 61,504,921 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.3

Radius: 7

Gravity: 15.68 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 7.59 AU - 9.45 AU

Year: 16867 Days

Day: 24.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 70,569,001 km

• M1: 89,759 km (0.077 R)
• M2: 397,930 km (0.078 R)
• M3: 1,001,707 km (0.062 R)
• M4: 1,413,550 km (0.099 R)
• M5: 1,806,095 km (0.058 R)
• M6: 2,311,138 km (0.115 R)
• M7: 2,643,095 km (0.112 R)
• M8: 2,881,853 km (0.077 R)
• M9: 4,300,191 km (0.093 R)
• M10: 4,530,572 km (0.074 R)
• M11: 4,874,048 km (0.09 R)
• M12: 7,640,711 km (0.107 R)
• M13: 7,881,863 km (0.087 R)
• M14: 8,532,464 km (0.102 R)
• M15: 10,461,828 km (0.09 R)
• M16: 10,879,954 km (0.102 R)
• M17: 11,877,622 km (0.085 R)
• M18: 13,839,000 km (0.119 R)
• M19: 20,535,150 km (0.075 R)
• M20: 23,544,311 km (0.057 R)
• M21: 23,850,239 km (0.113 R)
• M22: 26,284,795 km (0.097 R)
• M23: 29,940,667 km (0.031 R)
• M24: 31,889,778 km (0.083 R)
• M25: 32,389,884 km (0.078 R)
• M26: 33,277,747 km (0.109 R)
• M27: 38,382,625 km (0.05 R)
• M28: 40,533,543 km (0.072 R)
• M29: 40,826,306 km (0.092 R)
• M30: 44,605,448 km (0.118 R)
• M31: 50,616,739 km (0.104 R)
• M32: 52,156,550 km (0.064 R)
• M33: 52,850,833 km (0.065 R)
• M34: 63,424,411 km (0.103 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 323 - 15,624 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit