🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652

Radius: 14.7

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.84 AU - 1.16 AU

Year: 667 Days

Day: 6.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,832,039 km

• M1: 182,809 km (0.092 R)
• M2: 989,141 km (0.064 R)
• M3: 1,491,042 km (0.115 R)
• M4: 2,271,494 km (0.109 R)
• M5: 2,985,076 km (0.104 R)
• M6: 3,639,118 km (0.092 R)
• M7: 4,251,123 km (0.084 R)
• M8: 5,359,793 km (0.116 R)
• M9: 6,020,566 km (0.085 R)
• M10: 6,797,578 km (0.079 R)
• M11: 7,264,921 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.7

Radius: 9.1

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.79 AU - 1.83 AU

Year: 1624 Days

Day: 12.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,832,039 km

• M1: 118,482 km (0.117 R)
• M2: 597,943 km (0.113 R)
• M3: 1,069,924 km (0.088 R)
• M4: 1,547,740 km (0.119 R)
• M5: 2,393,117 km (0.113 R)
• M6: 3,290,106 km (0.064 R)
• M7: 5,164,717 km (0.084 R)
• M8: 5,930,808 km (0.031 R)
• M9: 7,117,867 km (0.112 R)
• M10: 8,315,547 km (0.077 R)
• M11: 9,336,104 km (0.101 R)
• M12: 10,019,018 km (0.113 R)
• M13: 11,449,623 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.7

Radius: 12.1

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.9 AU - 2.16 AU

Year: 1929 Days

Day: 6.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,832,039 km

• M1: 150,944 km (0.068 R)
• M2: 577,448 km (0.099 R)
• M3: 981,362 km (0.099 R)
• M4: 1,741,618 km (0.085 R)
• M5: 2,170,964 km (0.101 R)
• M6: 3,415,469 km (0.091 R)
• M7: 4,048,717 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.1

Radius: 14.2

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.07 AU - 2.73 AU

Year: 2479 Days

Day: 9.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,832,039 km

• M1: 179,517 km (0.077 R)
• M2: 846,275 km (0.08 R)
• M3: 1,767,798 km (0.113 R)
• M4: 2,788,804 km (0.086 R)
• M5: 3,377,920 km (0.081 R)
• M6: 4,278,499 km (0.085 R)
• M7: 5,235,776 km (0.114 R)
• M8: 6,057,517 km (0.083 R)
• M9: 6,499,728 km (0.067 R)
• M10: 8,524,386 km (0.031 R)
• M11: 9,010,579 km (0.064 R)
• M12: 9,515,173 km (0.113 R)
• M13: 10,700,287 km (0.107 R)
• M14: 12,067,761 km (0.069 R)
• M15: 13,042,242 km (0.095 R)
• M16: 15,502,827 km (0.119 R)
• M17: 17,806,186 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.4

Radius: 8

Gravity: 11.76 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.06 AU - 5.7 AU

Year: 7189 Days

Day: 13.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,832,039 km

• M1: 99,483 km (0.078 R)
• M2: 366,814 km (0.111 R)
• M3: 681,717 km (0.111 R)
• M4: 1,384,528 km (0.116 R)
• M5: 1,739,374 km (0.111 R)
• M6: 2,502,473 km (0.103 R)
• M7: 2,928,977 km (0.069 R)
• M8: 3,448,829 km (0.097 R)
• M9: 4,003,389 km (0.064 R)
• M10: 4,342,228 km (0.096 R)
• M11: 4,728,639 km (0.118 R)
• M12: 5,320,149 km (0.037 R)
• M13: 5,666,019 km (0.059 R)
• M14: 6,614,470 km (0.091 R)
• M15: 6,903,942 km (0.093 R)
• M16: 7,469,721 km (0.099 R)
• M17: 8,607,861 km (0.078 R)
• M18: 8,997,265 km (0.043 R)
• M19: 11,326,504 km (0.11 R)
• M20: 13,275,016 km (0.101 R)
• M21: 14,089,726 km (0.092 R)
• M22: 16,272,060 km (0.08 R)
• M23: 18,102,689 km (0.059 R)
• M24: 19,249,955 km (0.093 R)
• M25: 24,497,699 km (0.103 R)
• M26: 28,196,655 km (0.103 R)
• M27: 32,771,658 km (0.099 R)
• M28: 39,332,721 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.8

Radius: 10.3

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.92 AU - 6.12 AU

Year: 7500 Days

Day: 10 Hours

Environment

Temp: -233 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,832,039 km

• M1: 128,505 km (0.079 R)
• M2: 552,016 km (0.065 R)
• M3: 885,320 km (0.045 R)
• M4: 1,417,440 km (0.116 R)
• M5: 1,937,741 km (0.09 R)
• M6: 2,301,862 km (0.069 R)
• M7: 5,064,786 km (0.062 R)
• M8: 5,668,712 km (0.107 R)
• M9: 7,502,632 km (0.113 R)
• M10: 8,827,022 km (0.117 R)
• M11: 11,023,119 km (0.088 R)
• M12: 11,829,900 km (0.12 R)
• M13: 14,486,908 km (0.104 R)
• M14: 17,653,297 km (0.087 R)
• M15: 24,382,059 km (0.073 R)
• M16: 24,889,047 km (0.119 R)
• M17: 25,924,264 km (0.053 R)
• M18: 26,808,537 km (0.104 R)
• M19: 28,824,817 km (0.094 R)
• M20: 32,644,200 km (0.069 R)
• M21: 33,779,648 km (0.108 R)
• M22: 34,198,971 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 137

Radius: 5.1

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 6.13 AU - 8.27 AU

Year: 12883 Days

Day: 21.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,832,039 km

• M1: 79,137 km (0.074 R)
• M2: 782,846 km (0.081 R)
• M3: 1,320,052 km (0.062 R)
• M4: 4,253,965 km (0.108 R)
• M5: 4,614,496 km (0.085 R)
• M6: 5,544,695 km (0.049 R)
• M7: 6,101,648 km (0.117 R)
• M8: 6,593,676 km (0.119 R)
• M9: 9,202,663 km (0.046 R)
• M10: 11,135,916 km (0.074 R)
• M11: 12,634,737 km (0.04 R)
• M12: 15,843,761 km (0.112 R)
• M13: 24,051,448 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.9

Radius: 7

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.97 AU - 7.75 AU

Year: 13315 Days

Day: 21.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,832,039 km

• M1: 91,255 km (0.08 R)
• M2: 571,015 km (0.113 R)
• M3: 1,029,981 km (0.085 R)
• M4: 1,352,664 km (0.111 R)
• M5: 1,798,914 km (0.118 R)
• M6: 2,137,305 km (0.109 R)
• M7: 2,463,279 km (0.089 R)
• M8: 2,921,946 km (0.049 R)
• M9: 3,835,839 km (0.11 R)
• M10: 5,192,841 km (0.075 R)
• M11: 5,623,982 km (0.108 R)
• M12: 6,247,207 km (0.107 R)
• M13: 9,429,004 km (0.084 R)
• M14: 9,746,451 km (0.106 R)
• M15: 11,544,168 km (0.095 R)
• M16: 12,602,723 km (0.117 R)
• M17: 13,043,738 km (0.059 R)
• M18: 14,309,784 km (0.088 R)
• M19: 14,972,652 km (0.077 R)
• M20: 18,036,866 km (0.089 R)
• M21: 20,725,139 km (0.074 R)
• M22: 23,338,315 km (0.047 R)
• M23: 27,427,722 km (0.092 R)
• M24: 28,637,820 km (0.108 R)
• M25: 29,400,021 km (0.102 R)
• M26: 31,868,984 km (0.03 R)
• M27: 32,790,507 km (0.118 R)
• M28: 33,729,832 km (0.076 R)
• M29: 34,472,735 km (0.084 R)
• M30: 35,662,038 km (0.056 R)
• M31: 36,433,065 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.8

Radius: 5.7

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.98 AU - 9.54 AU

Year: 14415 Days

Day: 20 Hours

Environment

Temp: -238 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,832,039 km

• M1: 70,909 km (0.115 R)
• M2: 274,063 km (0.078 R)
• M3: 651,648 km (0.114 R)
• M4: 846,574 km (0.073 R)
• M5: 1,028,635 km (0.072 R)
• M6: 1,893,759 km (0.097 R)
• M7: 2,140,596 km (0.113 R)
• M8: 3,467,679 km (0.079 R)
• M9: 3,711,822 km (0.055 R)
• M10: 5,266,892 km (0.107 R)
• M11: 7,981,794 km (0.062 R)
• M12: 8,365,214 km (0.118 R)
• M13: 8,583,477 km (0.065 R)
• M14: 16,152,680 km (0.091 R)
• M15: 16,904,260 km (0.115 R)
• M16: 17,966,405 km (0.053 R)
• M17: 19,527,010 km (0.098 R)
• M18: 21,418,825 km (0.082 R)
• M19: 23,776,338 km (0.119 R)
• M20: 25,837,796 km (0.095 R)
• M21: 28,800,881 km (0.066 R)
• M22: 30,828,082 km (0.085 R)
• M23: 33,384,111 km (0.044 R)
• M24: 34,489,490 km (0.081 R)
• M25: 35,277,721 km (0.089 R)
• M26: 35,505,110 km (0.046 R)
• M27: 36,424,389 km (0.078 R)
• M28: 36,889,937 km (0.091 R)
• M29: 39,890,123 km (0.119 R)
• M30: 42,276,059 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.2

Radius: 7.9

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 8.58 AU - 8.76 AU

Year: 17024 Days

Day: 20.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,832,039 km

• M1: 152,889 km (0.088 R)
• M2: 463,753 km (0.085 R)
• M3: 3,540,533 km (0.096 R)
• M4: 4,146,703 km (0.087 R)
• M5: 5,417,088 km (0.097 R)
• M6: 5,676,790 km (0.084 R)
• M7: 7,369,191 km (0.078 R)
• M8: 7,875,281 km (0.052 R)
• M9: 9,533,124 km (0.108 R)
• M10: 10,644,188 km (0.056 R)
• M11: 11,777,541 km (0.091 R)
• M12: 14,707,415 km (0.075 R)
• M13: 16,805,675 km (0.115 R)
• M14: 18,090,272 km (0.069 R)
• M15: 19,353,028 km (0.072 R)
• M16: 19,874,077 km (0.073 R)
• M17: 20,583,470 km (0.106 R)
• M18: 27,636,411 km (0.067 R)
• M19: 40,495,246 km (0.048 R)
• M20: 43,383,083 km (0.116 R)
• M21: 47,338,900 km (0.09 R)
• M22: 56,309,835 km (0.116 R)
• M23: 59,717,525 km (0.057 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 13,058 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit