🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.8

Radius: 8.5

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.65 AU - 1.03 AU

Year: 522 Days

Day: 7.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 92,051,792 km

• M1: 108,608 km (0.096 R)
• M2: 377,136 km (0.102 R)
• M3: 705,803 km (0.11 R)
• M4: 1,016,518 km (0.078 R)
• M5: 1,337,106 km (0.087 R)
• M6: 1,918,443 km (0.073 R)
• M7: 2,249,653 km (0.1 R)
• M8: 2,520,425 km (0.117 R)
• M9: 2,951,716 km (0.055 R)
• M10: 3,289,208 km (0.105 R)
• M11: 4,289,569 km (0.07 R)
• M12: 4,576,049 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.6

Radius: 12.8

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.71 AU - 0.97 AU

Year: 522 Days

Day: 10.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 92,051,792 km

• M1: 159,172 km (0.101 R)
• M2: 635,641 km (0.101 R)
• M3: 1,203,216 km (0.109 R)
• M4: 1,687,464 km (0.108 R)
• M5: 3,755,056 km (0.081 R)
• M6: 4,268,027 km (0.115 R)
• M7: 4,687,051 km (0.092 R)
• M8: 5,435,788 km (0.102 R)
• M9: 5,947,712 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.1

Radius: 9.1

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.19 AU - 1.55 AU

Year: 1088 Days

Day: 10.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 92,051,792 km

• M1: 113,096 km (0.079 R)
• M2: 401,072 km (0.119 R)
• M3: 715,676 km (0.101 R)
• M4: 1,013,226 km (0.11 R)
• M5: 1,507,498 km (0.031 R)
• M6: 1,798,765 km (0.03 R)
• M7: 2,211,954 km (0.03 R)
• M8: 2,601,956 km (0.103 R)
• M9: 3,844,067 km (0.04 R)
• M10: 4,658,926 km (0.09 R)
• M11: 5,065,533 km (0.1 R)
• M12: 6,628,233 km (0.05 R)
• M13: 7,185,784 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.3

Radius: 14.5

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.67 AU - 1.71 AU

Year: 1490 Days

Day: 6.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 92,051,792 km

• M1: 180,565 km (0.069 R)
• M2: 739,462 km (0.05 R)
• M3: 1,193,641 km (0.087 R)
• M4: 1,733,091 km (0.105 R)
• M5: 2,880,357 km (0.073 R)
• M6: 3,543,974 km (0.063 R)
• M7: 4,057,244 km (0.101 R)
• M8: 5,162,174 km (0.093 R)
• M9: 5,944,421 km (0.083 R)
• M10: 6,892,871 km (0.111 R)
• M11: 7,626,948 km (0.116 R)
• M12: 8,261,393 km (0.05 R)
• M13: 8,747,137 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.7

Radius: 10.7

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.29 AU - 4.81 AU

Year: 6583 Days

Day: 13.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 92,051,792 km

• M1: 133,142 km (0.101 R)
• M2: 531,072 km (0.114 R)
• M3: 1,106,575 km (0.082 R)
• M4: 1,849,329 km (0.077 R)
• M5: 2,387,133 km (0.099 R)
• M6: 2,719,839 km (0.107 R)
• M7: 4,209,235 km (0.111 R)
• M8: 4,801,194 km (0.096 R)
• M9: 5,226,202 km (0.067 R)
• M10: 5,822,050 km (0.059 R)
• M11: 7,528,363 km (0.104 R)
• M12: 8,066,766 km (0.06 R)
• M13: 8,746,389 km (0.104 R)
• M14: 9,463,711 km (0.115 R)
• M15: 10,048,489 km (0.057 R)
• M16: 11,198,298 km (0.094 R)
• M17: 15,343,206 km (0.113 R)
• M18: 16,033,601 km (0.078 R)
• M19: 19,069,540 km (0.114 R)
• M20: 19,666,136 km (0.087 R)
• M21: 20,826,866 km (0.076 R)
• M22: 21,176,925 km (0.068 R)
• M23: 22,985,862 km (0.112 R)
• M24: 24,505,478 km (0.096 R)
• M25: 25,608,463 km (0.106 R)
• M26: 27,241,024 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.7

Radius: 5.1

Gravity: 25.02 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 6.4 AU - 6.6 AU

Year: 11240 Days

Day: 22.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 92,051,792 km

• M1: 63,429 km (0.056 R)
• M2: 224,995 km (0.096 R)
• M3: 612,603 km (0.094 R)
• M4: 1,958,984 km (0.094 R)
• M5: 2,619,459 km (0.081 R)
• M6: 3,673,376 km (0.109 R)
• M7: 4,546,578 km (0.081 R)
• M8: 5,515,673 km (0.106 R)
• M9: 8,620,278 km (0.104 R)
• M10: 9,484,954 km (0.112 R)
• M11: 10,248,501 km (0.084 R)
• M12: 11,497,644 km (0.051 R)
• M13: 12,603,471 km (0.069 R)
• M14: 13,778,413 km (0.086 R)
• M15: 14,164,076 km (0.118 R)
• M16: 20,930,537 km (0.07 R)
• M17: 21,099,583 km (0.102 R)
• M18: 22,132,556 km (0.066 R)
• M19: 24,485,431 km (0.066 R)
• M20: 24,861,670 km (0.114 R)
• M21: 25,146,355 km (0.11 R)
• M22: 26,110,962 km (0.075 R)
• M23: 26,800,758 km (0.109 R)
• M24: 27,603,799 km (0.088 R)
• M25: 28,216,552 km (0.111 R)
• M26: 31,306,496 km (0.08 R)
• M27: 32,989,921 km (0.062 R)
• M28: 33,218,806 km (0.069 R)

Asteroid Belt

Center: 6.78 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 702.4

Radius: 3.3

Gravity: 64.5 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.75 AU - 7.35 AU

Year: 12696 Days

Day: 24.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 92,051,792 km

• M1: 92,751 km (0.106 R)
• M2: 286,330 km (0.093 R)
• M3: 399,576 km (0.09 R)
• M4: 1,451,099 km (0.086 R)
• M5: 2,266,857 km (0.076 R)
• M6: 4,088,809 km (0.118 R)
• M7: 4,606,866 km (0.079 R)
• M8: 5,375,650 km (0.098 R)
• M9: 6,582,157 km (0.038 R)
• M10: 11,613,133 km (0.097 R)
• M11: 12,895,636 km (0.072 R)
• M12: 13,086,223 km (0.056 R)
• M13: 15,810,101 km (0.059 R)
• M14: 17,074,054 km (0.076 R)
• M15: 20,741,745 km (0.066 R)
• M16: 22,527,943 km (0.094 R)
• M17: 27,227,411 km (0.103 R)
• M18: 28,604,160 km (0.112 R)
• M19: 29,036,947 km (0.103 R)
• M20: 32,775,248 km (0.117 R)
• M21: 37,205,290 km (0.091 R)
• M22: 42,437,026 km (0.089 R)
• M23: 45,593,841 km (0.066 R)
• M24: 53,017,485 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.5

Radius: 5.5

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.98 AU - 7.42 AU

Year: 13104 Days

Day: 19.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 92,051,792 km

• M1: 68,366 km (0.117 R)
• M2: 500,255 km (0.096 R)
• M3: 1,157,439 km (0.032 R)
• M4: 1,357,451 km (0.104 R)
• M5: 1,622,539 km (0.043 R)
• M6: 1,937,592 km (0.1 R)
• M7: 2,152,414 km (0.088 R)
• M8: 2,513,992 km (0.037 R)
• M9: 2,873,326 km (0.06 R)
• M10: 3,547,564 km (0.086 R)
• M11: 3,844,964 km (0.116 R)
• M12: 4,131,893 km (0.109 R)
• M13: 4,897,385 km (0.093 R)
• M14: 6,412,662 km (0.053 R)
• M15: 10,331,678 km (0.085 R)
• M16: 11,675,515 km (0.06 R)
• M17: 11,892,133 km (0.069 R)
• M18: 13,131,851 km (0.079 R)
• M19: 15,021,421 km (0.077 R)
• M20: 18,881,196 km (0.054 R)
• M21: 23,958,099 km (0.058 R)
• M22: 27,327,193 km (0.109 R)
• M23: 28,975,911 km (0.096 R)
• M24: 30,280,554 km (0.109 R)
• M25: 32,363,555 km (0.095 R)
• M26: 32,576,881 km (0.08 R)
• M27: 34,207,498 km (0.088 R)
• M28: 36,465,079 km (0.088 R)
• M29: 36,812,146 km (0.094 R)
• M30: 39,061,051 km (0.107 R)
• M31: 41,525,676 km (0.062 R)
• M32: 42,030,719 km (0.091 R)
• M33: 42,539,950 km (0.112 R)
• M34: 42,796,061 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 853.7

Radius: 3.9

Gravity: 56.13 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 9.73 AU - 11.73 AU

Year: 23839 Days

Day: 21.9 Hours

Environment

Temp: -245 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 92,051,792 km

• M1: 50,564 km (0.112 R)
• M2: 260,151 km (0.1 R)
• M3: 454,329 km (0.087 R)
• M4: 631,004 km (0.096 R)
• M5: 1,418,188 km (0.066 R)
• M6: 2,557,525 km (0.105 R)
• M7: 4,708,743 km (0.107 R)
• M8: 8,432,234 km (0.037 R)
• M9: 10,675,005 km (0.118 R)
• M10: 12,984,946 km (0.114 R)
• M11: 13,514,372 km (0.1 R)
• M12: 15,439,248 km (0.038 R)
• M13: 19,040,219 km (0.097 R)
• M14: 23,383,793 km (0.08 R)
• M15: 28,469,821 km (0.045 R)
• M16: 28,977,257 km (0.029 R)
• M17: 31,067,738 km (0.083 R)
• M18: 31,470,605 km (0.097 R)
• M19: 32,013,047 km (0.109 R)
• M20: 33,396,677 km (0.065 R)
• M21: 34,103,228 km (0.054 R)
• M22: 38,091,208 km (0.104 R)
• M23: 43,207,007 km (0.066 R)
• M24: 44,724,228 km (0.085 R)
• M25: 54,190,632 km (0.109 R)
• M26: 56,949,815 km (0.113 R)
• M27: 57,552,994 km (0.088 R)
• M28: 71,924,263 km (0.118 R)
• M29: 80,939,479 km (0.091 R)
• M30: 83,499,099 km (0.087 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: 205 - 15,017 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit