🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.2

Radius: 9.7

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.49 AU - 0.71 AU

Year: 321 Days

Day: 13.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,685,358 km

• M1: 121,174 km (0.109 R)
• M2: 455,376 km (0.118 R)
• M3: 1,345,034 km (0.074 R)
• M4: 1,733,241 km (0.072 R)
• M5: 2,221,080 km (0.084 R)
• M6: 3,473,363 km (0.089 R)
• M7: 3,818,635 km (0.079 R)
• M8: 4,279,397 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163

Radius: 11

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.5 AU - 0.74 AU

Year: 337 Days

Day: 6.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 85,685,358 km

• M1: 136,882 km (0.066 R)
• M2: 487,390 km (0.037 R)
• M3: 891,603 km (0.081 R)
• M4: 1,284,298 km (0.057 R)
• M5: 2,080,607 km (0.073 R)
• M6: 2,435,753 km (0.092 R)
• M7: 2,873,775 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.9

Radius: 13.6

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.03 AU - 1.07 AU

Year: 743 Days

Day: 14.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,685,358 km

• M1: 169,195 km (0.117 R)
• M2: 653,294 km (0.025 R)
• M3: 1,208,003 km (0.104 R)
• M4: 1,790,238 km (0.093 R)
• M5: 2,950,968 km (0.118 R)
• M6: 3,439,405 km (0.086 R)
• M7: 4,227,037 km (0.103 R)
• M8: 4,714,726 km (0.04 R)
• M9: 5,423,820 km (0.055 R)
• M10: 5,863,040 km (0.088 R)
• M11: 6,367,633 km (0.096 R)
• M12: 7,212,712 km (0.059 R)
• M13: 8,155,926 km (0.07 R)
• M14: 8,632,096 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.5

Radius: 13.1

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.24 AU - 1.38 AU

Year: 1035 Days

Day: 5.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,685,358 km

• M1: 162,912 km (0.1 R)
• M2: 597,643 km (0.044 R)
• M3: 1,021,155 km (0.082 R)
• M4: 1,656,497 km (0.114 R)
• M5: 2,303,508 km (0.1 R)
• M6: 3,005,272 km (0.119 R)
• M7: 3,861,869 km (0.034 R)
• M8: 4,296,002 km (0.066 R)
• M9: 4,894,244 km (0.08 R)
• M10: 5,323,440 km (0.118 R)
• M11: 5,906,423 km (0.069 R)
• M12: 6,531,593 km (0.063 R)
• M13: 6,956,600 km (0.067 R)
• M14: 7,501,136 km (0.059 R)
• M15: 8,316,744 km (0.083 R)
• M16: 8,845,273 km (0.086 R)
• M17: 9,515,173 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.9

Radius: 11

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.08 AU - 1.6 AU

Year: 1071 Days

Day: 7.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,685,358 km

• M1: 136,732 km (0.086 R)
• M2: 565,181 km (0.09 R)
• M3: 928,554 km (0.111 R)
• M4: 1,307,934 km (0.114 R)
• M5: 1,683,126 km (0.115 R)
• M6: 2,719,839 km (0.061 R)
• M7: 3,812,651 km (0.036 R)
• M8: 4,397,429 km (0.1 R)
• M9: 4,776,361 km (0.117 R)
• M10: 5,118,491 km (0.1 R)
• M11: 6,470,557 km (0.078 R)
• M12: 6,843,055 km (0.084 R)
• M13: 7,605,705 km (0.113 R)
• M14: 8,261,243 km (0.108 R)
• M15: 8,982,604 km (0.061 R)
• M16: 9,805,841 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124

Radius: 13

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.46 AU - 1.52 AU

Year: 1255 Days

Day: 14.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 90.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,685,358 km

• M1: 161,715 km (0.067 R)
• M2: 570,716 km (0.107 R)
• M3: 981,362 km (0.114 R)
• M4: 1,984,266 km (0.085 R)
• M5: 2,754,097 km (0.065 R)
• M6: 3,956,415 km (0.12 R)
• M7: 5,229,194 km (0.092 R)
• M8: 6,659,948 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.8

Radius: 4.6

Gravity: 39.5 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.44 AU - 7.22 AU

Year: 10993 Days

Day: 21.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 85,685,358 km

• M1: 57,146 km (0.114 R)
• M2: 591,360 km (0.106 R)
• M3: 1,876,705 km (0.102 R)
• M4: 2,033,633 km (0.081 R)
• M5: 2,413,911 km (0.097 R)
• M6: 2,685,581 km (0.116 R)
• M7: 4,300,191 km (0.119 R)
• M8: 5,056,707 km (0.047 R)
• M9: 5,224,855 km (0.04 R)
• M10: 6,788,303 km (0.099 R)
• M11: 7,117,867 km (0.076 R)
• M12: 8,125,109 km (0.102 R)
• M13: 8,356,088 km (0.059 R)
• M14: 8,686,700 km (0.101 R)
• M15: 10,418,145 km (0.082 R)
• M16: 11,421,947 km (0.053 R)
• M17: 11,653,375 km (0.064 R)
• M18: 12,066,115 km (0.054 R)
• M19: 16,967,839 km (0.119 R)
• M20: 17,574,459 km (0.068 R)
• M21: 19,645,791 km (0.106 R)
• M22: 19,811,545 km (0.097 R)
• M23: 21,520,850 km (0.118 R)
• M24: 21,785,489 km (0.111 R)
• M25: 22,321,349 km (0.088 R)
• M26: 24,744,685 km (0.042 R)
• M27: 26,019,707 km (0.1 R)
• M28: 26,319,950 km (0.101 R)
• M29: 27,441,037 km (0.101 R)
• M30: 35,575,421 km (0.112 R)
• M31: 38,477,769 km (0.115 R)
• M32: 39,260,016 km (0.048 R)
• M33: 40,991,313 km (0.101 R)
• M34: 41,262,085 km (0.083 R)
• M35: 42,081,582 km (0.088 R)
• M36: 43,191,000 km (0.095 R)
• M37: 48,576,972 km (0.071 R)
• M38: 49,337,378 km (0.075 R)
• M39: 49,643,754 km (0.119 R)
• M40: 50,882,125 km (0.091 R)
• M41: 52,938,049 km (0.064 R)
• M42: 54,556,698 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244

Radius: 3.2

Gravity: 23.83 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.94 AU - 7.56 AU

Year: 12105 Days

Day: 24.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,685,358 km

• M1: 40,391 km (0.071 R)
• M2: 143,315 km (0.12 R)
• M3: 283,937 km (0.029 R)
• M4: 599,887 km (0.078 R)
• M5: 1,177,335 km (0.118 R)
• M6: 4,520,249 km (0.12 R)
• M7: 5,492,037 km (0.095 R)
• M8: 5,682,625 km (0.078 R)
• M9: 7,255,048 km (0.104 R)
• M10: 8,535,007 km (0.1 R)
• M11: 13,150,550 km (0.116 R)
• M12: 13,263,646 km (0.101 R)
• M13: 16,897,079 km (0.1 R)
• M14: 18,265,152 km (0.066 R)
• M15: 19,265,513 km (0.064 R)
• M16: 25,779,154 km (0.086 R)
• M17: 26,134,150 km (0.025 R)
• M18: 32,472,163 km (0.065 R)
• M19: 35,444,523 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.8

Radius: 5.4

Gravity: 17.89 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.95 AU - 7.17 AU

Year: 12948 Days

Day: 20.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 85,685,358 km

• M1: 68,516 km (0.062 R)
• M2: 271,969 km (0.046 R)
• M3: 908,209 km (0.089 R)
• M4: 1,883,288 km (0.091 R)
• M5: 2,126,683 km (0.104 R)
• M6: 2,872,429 km (0.117 R)
• M7: 3,077,527 km (0.102 R)
• M8: 3,292,500 km (0.098 R)
• M9: 5,775,375 km (0.091 R)
• M10: 6,066,044 km (0.1 R)
• M11: 10,253,438 km (0.118 R)
• M12: 11,856,230 km (0.093 R)
• M13: 14,999,281 km (0.076 R)
• M14: 16,615,387 km (0.119 R)
• M15: 17,427,853 km (0.097 R)
• M16: 19,131,772 km (0.115 R)
• M17: 19,372,475 km (0.106 R)
• M18: 19,941,845 km (0.1 R)
• M19: 21,370,804 km (0.107 R)
• M20: 22,242,660 km (0.059 R)
• M21: 31,627,383 km (0.084 R)
• M22: 34,861,839 km (0.083 R)
• M23: 48,058,765 km (0.117 R)
• M24: 51,539,608 km (0.059 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.4

Radius: 5.5

Gravity: 23.19 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 10.36 AU - 10.72 AU

Year: 23620 Days

Day: 16.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,685,358 km

• M1: 69,413 km (0.078 R)
• M2: 412,591 km (0.085 R)
• M3: 3,898,820 km (0.116 R)
• M4: 5,030,827 km (0.084 R)
• M5: 9,071,316 km (0.118 R)
• M6: 14,468,807 km (0.085 R)
• M7: 16,007,720 km (0.045 R)
• M8: 21,578,745 km (0.061 R)
• M9: 22,302,649 km (0.108 R)
• M10: 23,580,963 km (0.101 R)
• M11: 25,934,287 km (0.12 R)
• M12: 42,441,365 km (0.078 R)
• M13: 48,143,587 km (0.09 R)
• M14: 54,335,891 km (0.117 R)
• M15: 60,019,713 km (0.092 R)
• M16: 65,871,533 km (0.114 R)
• M17: 77,006,551 km (0.093 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 11,714 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit