🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.6

Radius: 10.4

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.54 AU - 0.68 AU

Year: 323 Days

Day: 9.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,046,170 km

• M1: 129,552 km (0.088 R)
• M2: 536,159 km (0.106 R)
• M3: 939,325 km (0.081 R)
• M4: 1,354,310 km (0.079 R)
• M5: 1,764,956 km (0.073 R)
• M6: 2,175,901 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.7

Radius: 8.5

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.82 AU - 1.02 AU

Year: 599 Days

Day: 8.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,046,170 km

• M1: 105,766 km (0.114 R)
• M2: 379,679 km (0.075 R)
• M3: 684,709 km (0.115 R)
• M4: 1,019,958 km (0.036 R)
• M5: 1,518,568 km (0.117 R)
• M6: 3,100,416 km (0.08 R)
• M7: 3,426,390 km (0.12 R)
• M8: 3,905,552 km (0.105 R)
• M9: 5,614,558 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.3

Radius: 14.3

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.98 AU - 2.7 AU

Year: 2428 Days

Day: 11.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,046,170 km

• M1: 177,872 km (0.048 R)
• M2: 659,427 km (0.098 R)
• M3: 1,262,307 km (0.059 R)
• M4: 1,949,709 km (0.104 R)
• M5: 2,499,930 km (0.118 R)
• M6: 3,029,506 km (0.075 R)
• M7: 3,513,605 km (0.11 R)
• M8: 4,338,189 km (0.09 R)
• M9: 4,871,206 km (0.113 R)
• M10: 5,379,240 km (0.092 R)
• M11: 5,849,726 km (0.112 R)
• M12: 6,399,049 km (0.032 R)
• M13: 7,287,810 km (0.058 R)
• M14: 9,546,139 km (0.034 R)
• M15: 13,140,378 km (0.068 R)
• M16: 14,802,709 km (0.055 R)
• M17: 16,259,344 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.8

Radius: 8.3

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.28 AU - 4.42 AU

Year: 5124 Days

Day: 13 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,046,170 km

• M1: 103,223 km (0.031 R)
• M2: 425,008 km (0.053 R)
• M3: 707,149 km (0.033 R)
• M4: 1,038,808 km (0.082 R)
• M5: 2,259,975 km (0.097 R)
• M6: 2,995,847 km (0.068 R)
• M7: 3,260,934 km (0.11 R)
• M8: 4,106,611 km (0.09 R)
• M9: 4,580,836 km (0.051 R)
• M10: 5,144,222 km (0.103 R)
• M11: 6,981,733 km (0.085 R)
• M12: 7,382,356 km (0.054 R)
• M13: 7,762,933 km (0.108 R)
• M14: 9,100,936 km (0.102 R)
• M15: 9,949,006 km (0.087 R)
• M16: 10,586,293 km (0.036 R)
• M17: 10,981,531 km (0.079 R)
• M18: 11,523,823 km (0.106 R)
• M19: 12,613,045 km (0.098 R)
• M20: 18,849,781 km (0.116 R)
• M21: 21,107,661 km (0.108 R)
• M22: 23,097,911 km (0.108 R)
• M23: 24,365,454 km (0.115 R)
• M24: 27,447,469 km (0.109 R)

Asteroid Belt

Center: 4.28 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.3

Radius: 13.3

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.11 AU - 5.31 AU

Year: 6933 Days

Day: 7.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,046,170 km

• M1: 165,455 km (0.033 R)
• M2: 590,612 km (0.054 R)
• M3: 1,103,284 km (0.113 R)
• M4: 1,688,661 km (0.045 R)
• M5: 2,563,958 km (0.096 R)
• M6: 3,566,862 km (0.059 R)
• M7: 4,421,515 km (0.094 R)
• M8: 6,638,555 km (0.097 R)
• M9: 8,518,103 km (0.04 R)
• M10: 9,602,687 km (0.095 R)
• M11: 11,157,458 km (0.116 R)
• M12: 11,595,780 km (0.119 R)
• M13: 16,076,236 km (0.111 R)
• M14: 19,775,343 km (0.105 R)
• M15: 22,509,692 km (0.028 R)
• M16: 24,739,897 km (0.052 R)
• M17: 32,903,902 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.2

Radius: 7.8

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.74 AU - 7.4 AU

Year: 11422 Days

Day: 24.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,046,170 km

• M1: 158,275 km (0.109 R)
• M2: 1,493,585 km (0.063 R)
• M3: 2,370,229 km (0.113 R)
• M4: 3,270,658 km (0.058 R)
• M5: 4,245,288 km (0.085 R)
• M6: 13,121,229 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.6

Radius: 5.2

Gravity: 27.76 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.38 AU - 8.36 AU

Year: 12213 Days

Day: 22.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 52.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,046,170 km

• M1: 64,776 km (0.089 R)
• M2: 579,542 km (0.09 R)
• M3: 742,005 km (0.092 R)
• M4: 988,842 km (0.072 R)
• M5: 1,777,522 km (0.117 R)
• M6: 2,000,722 km (0.026 R)
• M7: 2,717,894 km (0.08 R)
• M8: 3,540,383 km (0.083 R)
• M9: 4,771,274 km (0.062 R)
• M10: 5,447,457 km (0.109 R)
• M11: 6,459,038 km (0.12 R)
• M12: 6,659,200 km (0.112 R)
• M13: 7,678,709 km (0.106 R)
• M14: 9,396,691 km (0.085 R)
• M15: 10,022,160 km (0.101 R)
• M16: 12,064,769 km (0.099 R)
• M17: 14,918,348 km (0.049 R)
• M18: 15,410,226 km (0.09 R)
• M19: 19,161,393 km (0.111 R)
• M20: 19,658,806 km (0.09 R)
• M21: 22,185,065 km (0.1 R)
• M22: 22,825,793 km (0.094 R)
• M23: 23,384,690 km (0.098 R)
• M24: 24,240,091 km (0.106 R)
• M25: 25,912,446 km (0.072 R)
• M26: 27,450,611 km (0.065 R)
• M27: 32,079,468 km (0.051 R)
• M28: 32,662,900 km (0.109 R)
• M29: 34,944,866 km (0.049 R)
• M30: 37,588,111 km (0.113 R)
• M31: 42,704,358 km (0.068 R)
• M32: 49,650,337 km (0.113 R)
• M33: 50,274,010 km (0.054 R)
• M34: 51,061,044 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.6

Radius: 6.4

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 8.04 AU - 10.78 AU

Year: 19578 Days

Day: 23.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,046,170 km

• M1: 83,326 km (0.119 R)
• M2: 310,416 km (0.104 R)
• M3: 511,326 km (0.099 R)
• M4: 894,146 km (0.092 R)
• M5: 1,206,806 km (0.106 R)
• M6: 1,425,369 km (0.115 R)
• M7: 1,803,402 km (0.108 R)
• M8: 2,668,676 km (0.108 R)
• M9: 6,847,244 km (0.078 R)
• M10: 7,686,787 km (0.103 R)
• M11: 9,621,836 km (0.062 R)
• M12: 17,333,905 km (0.114 R)
• M13: 17,572,813 km (0.113 R)
• M14: 17,975,830 km (0.118 R)
• M15: 18,384,980 km (0.055 R)
• M16: 22,164,570 km (0.066 R)
• M17: 24,185,637 km (0.105 R)
• M18: 26,117,245 km (0.04 R)
• M19: 43,031,977 km (0.099 R)
• M20: 43,617,054 km (0.028 R)
• M21: 48,805,857 km (0.104 R)
• M22: 50,245,138 km (0.106 R)
• M23: 52,706,471 km (0.076 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 16,625 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit