🌌 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: 216

Radius: 13.1

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.71 AU - 0.77 AU

Year: 405 Days

Day: 5.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,497,227 km

• M1: 162,912 km (0.074 R)
• M2: 606,919 km (0.098 R)
• M3: 1,023,848 km (0.07 R)
• M4: 1,514,828 km (0.103 R)
• M5: 1,937,741 km (0.115 R)
• M6: 2,377,260 km (0.077 R)
• M7: 2,883,798 km (0.08 R)
• M8: 3,758,347 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953

Radius: 14

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.93 AU - 1.21 AU

Year: 704 Days

Day: 7.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,497,227 km

• M1: 174,282 km (0.061 R)
• M2: 631,004 km (0.112 R)
• M3: 1,246,150 km (0.046 R)
• M4: 1,947,016 km (0.107 R)
• M5: 2,699,793 km (0.094 R)
• M6: 3,444,341 km (0.117 R)
• M7: 3,993,964 km (0.066 R)
• M8: 4,754,819 km (0.06 R)
• M9: 5,345,431 km (0.092 R)
• M10: 5,805,445 km (0.095 R)
• M11: 6,460,085 km (0.066 R)
• M12: 7,072,987 km (0.109 R)
• M13: 7,796,592 km (0.059 R)
• M14: 8,802,788 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.1

Radius: 14.6

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.24 AU - 1.9 AU

Year: 1251 Days

Day: 12.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,497,227 km

• M1: 181,761 km (0.099 R)
• M2: 685,757 km (0.103 R)
• M3: 1,140,833 km (0.066 R)
• M4: 1,938,639 km (0.071 R)
• M5: 2,607,042 km (0.077 R)
• M6: 4,286,577 km (0.1 R)
• M7: 5,369,516 km (0.107 R)
• M8: 5,908,667 km (0.107 R)
• M9: 6,436,748 km (0.1 R)
• M10: 7,122,055 km (0.062 R)
• M11: 7,882,761 km (0.102 R)
• M12: 10,428,617 km (0.12 R)
• M13: 11,763,629 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.2

Radius: 12.3

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.84 AU - 2.04 AU

Year: 1718 Days

Day: 13.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,497,227 km

• M1: 153,039 km (0.113 R)
• M2: 642,672 km (0.114 R)
• M3: 1,528,441 km (0.103 R)
• M4: 2,694,407 km (0.114 R)
• M5: 4,013,412 km (0.073 R)
• M6: 4,544,484 km (0.099 R)
• M7: 6,716,047 km (0.104 R)
• M8: 7,239,041 km (0.106 R)
• M9: 8,907,805 km (0.063 R)
• M10: 9,711,445 km (0.101 R)
• M11: 12,051,305 km (0.099 R)
• M12: 13,849,920 km (0.118 R)
• M13: 15,678,006 km (0.117 R)
• M14: 16,110,643 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.2

Radius: 13.1

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.11 AU - 2.13 AU

Year: 1963 Days

Day: 8.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,497,227 km

• M1: 163,660 km (0.096 R)
• M2: 634,295 km (0.115 R)
• M3: 1,636,601 km (0.107 R)
• M4: 2,081,654 km (0.076 R)
• M5: 4,243,344 km (0.105 R)
• M6: 4,693,184 km (0.045 R)
• M7: 5,938,437 km (0.073 R)
• M8: 6,684,182 km (0.104 R)
• M9: 9,215,378 km (0.074 R)
• M10: 9,974,288 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.3

Radius: 10.7

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.19 AU - 3.77 AU

Year: 4128 Days

Day: 9.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,497,227 km

• M1: 135,835 km (0.076 R)
• M2: 481,256 km (0.094 R)
• M3: 864,676 km (0.085 R)
• M4: 1,547,740 km (0.082 R)
• M5: 1,954,945 km (0.087 R)
• M6: 2,341,207 km (0.101 R)
• M7: 2,900,404 km (0.046 R)
• M8: 3,486,229 km (0.052 R)
• M9: 4,149,396 km (0.074 R)
• M10: 4,571,861 km (0.104 R)
• M11: 6,073,524 km (0.106 R)
• M12: 7,950,977 km (0.081 R)
• M13: 8,310,162 km (0.107 R)
• M14: 9,979,824 km (0.078 R)
• M15: 10,741,277 km (0.043 R)
• M16: 13,359,239 km (0.109 R)
• M17: 13,919,483 km (0.084 R)
• M18: 15,305,957 km (0.112 R)
• M19: 17,136,286 km (0.076 R)
• M20: 18,917,249 km (0.118 R)
• M21: 19,623,949 km (0.115 R)
• M22: 20,215,160 km (0.109 R)
• M23: 22,915,551 km (0.08 R)
• M24: 23,424,483 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.3

Radius: 9.9

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.55 AU - 4.63 AU

Year: 6252 Days

Day: 14.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,497,227 km

• M1: 136,433 km (0.092 R)
• M2: 552,914 km (0.104 R)
• M3: 1,424,471 km (0.039 R)
• M4: 1,734,288 km (0.109 R)
• M5: 3,591,097 km (0.116 R)
• M6: 4,239,753 km (0.082 R)
• M7: 6,682,387 km (0.111 R)
• M8: 7,326,406 km (0.1 R)
• M9: 7,737,202 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40.9

Radius: 5.7

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.99 AU - 7.25 AU

Year: 9626 Days

Day: 19.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,497,227 km

• M1: 70,909 km (0.097 R)
• M2: 496,515 km (0.056 R)
• M3: 736,620 km (0.12 R)
• M4: 1,061,397 km (0.108 R)
• M5: 1,497,325 km (0.088 R)
• M6: 2,095,567 km (0.099 R)
• M7: 2,779,528 km (0.1 R)
• M8: 3,032,349 km (0.053 R)
• M9: 3,511,660 km (0.084 R)
• M10: 4,282,389 km (0.118 R)
• M11: 4,534,162 km (0.108 R)
• M12: 5,067,478 km (0.065 R)
• M13: 5,867,677 km (0.09 R)
• M14: 10,361,597 km (0.083 R)
• M15: 11,724,284 km (0.083 R)
• M16: 12,134,482 km (0.036 R)
• M17: 12,511,917 km (0.104 R)
• M18: 15,279,179 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.2

Radius: 3.4

Gravity: 32.72 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.83 AU - 9.21 AU

Year: 14441 Days

Day: 25 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,497,227 km

• M1: 42,336 km (0.103 R)
• M2: 276,008 km (0.058 R)
• M3: 403,166 km (0.111 R)
• M4: 576,849 km (0.089 R)
• M5: 864,825 km (0.107 R)
• M6: 1,438,683 km (0.045 R)
• M7: 1,626,278 km (0.094 R)
• M8: 1,862,643 km (0.106 R)
• M9: 2,032,736 km (0.108 R)
• M10: 2,906,836 km (0.051 R)
• M11: 3,977,807 km (0.107 R)
• M12: 4,960,217 km (0.048 R)
• M13: 5,559,057 km (0.084 R)
• M14: 5,768,943 km (0.044 R)
• M15: 6,057,068 km (0.057 R)
• M16: 6,584,101 km (0.118 R)
• M17: 8,034,602 km (0.088 R)
• M18: 9,240,810 km (0.103 R)
• M19: 9,988,949 km (0.116 R)
• M20: 10,351,574 km (0.113 R)
• M21: 11,103,004 km (0.039 R)
• M22: 13,386,915 km (0.079 R)
• M23: 14,473,594 km (0.074 R)
• M24: 14,870,776 km (0.103 R)
• M25: 15,139,604 km (0.099 R)
• M26: 15,480,088 km (0.085 R)
• M27: 21,388,905 km (0.089 R)
• M28: 25,936,232 km (0.107 R)
• M29: 26,130,410 km (0.088 R)
• M30: 28,952,125 km (0.092 R)
• M31: 29,370,999 km (0.095 R)
• M32: 37,620,125 km (0.059 R)
• M33: 42,269,327 km (0.076 R)
• M34: 49,340,819 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.6

Radius: 6.1

Gravity: 20.09 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 8.57 AU - 9.11 AU

Year: 16711 Days

Day: 24.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,497,227 km

• M1: 76,145 km (0.05 R)
• M2: 344,524 km (0.056 R)
• M3: 622,926 km (0.087 R)
• M4: 942,766 km (0.097 R)
• M5: 1,768,995 km (0.086 R)
• M6: 2,123,991 km (0.09 R)
• M7: 2,951,416 km (0.113 R)
• M8: 3,155,468 km (0.106 R)
• M9: 4,225,691 km (0.079 R)
• M10: 5,404,971 km (0.083 R)
• M11: 6,029,841 km (0.113 R)
• M12: 6,276,229 km (0.098 R)
• M13: 8,143,659 km (0.115 R)
• M14: 9,837,107 km (0.053 R)
• M15: 11,500,336 km (0.027 R)
• M16: 12,332,848 km (0.106 R)
• M17: 13,342,484 km (0.107 R)
• M18: 15,070,938 km (0.111 R)
• M19: 19,853,283 km (0.047 R)
• M20: 22,194,340 km (0.118 R)
• M21: 26,203,713 km (0.108 R)
• M22: 27,640,750 km (0.114 R)
• M23: 28,781,134 km (0.098 R)
• M24: 31,399,995 km (0.08 R)
• M25: 33,786,081 km (0.078 R)
• M26: 37,518,548 km (0.118 R)
• M27: 38,774,272 km (0.091 R)
• M28: 41,961,305 km (0.104 R)
• M29: 48,522,518 km (0.086 R)
• M30: 49,015,742 km (0.088 R)
• M31: 51,532,128 km (0.1 R)
• M32: 52,389,773 km (0.071 R)
• M33: 58,661,215 km (0.117 R)
• M34: 67,231,377 km (0.107 R)
• M35: 69,497,187 km (0.057 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 13,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit