🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.3

Radius: 12.4

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.42 AU - 0.6 AU

Year: 251 Days

Day: 10.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 96,519,382 km

• M1: 154,385 km (0.092 R)
• M2: 554,859 km (0.066 R)
• M3: 996,023 km (0.093 R)
• M4: 1,882,390 km (0.105 R)
• M5: 2,399,699 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.9

Radius: 11.4

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.44 AU - 0.68 AU

Year: 289 Days

Day: 12.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 96,519,382 km

• M1: 141,819 km (0.048 R)
• M2: 609,013 km (0.114 R)
• M3: 1,110,315 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.3

Radius: 14.5

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.58 AU - 0.64 AU

Year: 329 Days

Day: 14.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 96,519,382 km

• M1: 180,265 km (0.068 R)
• M2: 672,742 km (0.082 R)
• M3: 1,196,933 km (0.089 R)
• M4: 1,673,551 km (0.109 R)
• M5: 2,126,384 km (0.076 R)
• M6: 2,851,784 km (0.114 R)
• M7: 3,309,703 km (0.064 R)
• M8: 3,771,961 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.6

Radius: 11.8

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.33 AU - 1.77 AU

Year: 1332 Days

Day: 13.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 96,519,382 km

• M1: 146,756 km (0.075 R)
• M2: 744,848 km (0.097 R)
• M3: 1,309,281 km (0.083 R)
• M4: 1,854,565 km (0.081 R)
• M5: 2,695,903 km (0.094 R)
• M6: 3,872,640 km (0.079 R)
• M7: 4,780,101 km (0.114 R)
• M8: 5,654,201 km (0.099 R)
• M9: 7,285,566 km (0.079 R)
• M10: 8,142,463 km (0.049 R)
• M11: 8,863,823 km (0.063 R)
• M12: 10,118,800 km (0.079 R)
• M13: 10,562,358 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.2

Radius: 14.7

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.71 AU - 1.75 AU

Year: 1571 Days

Day: 6.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 96,519,382 km

• M1: 182,958 km (0.117 R)
• M2: 666,159 km (0.105 R)
• M3: 1,339,499 km (0.088 R)
• M4: 1,809,087 km (0.104 R)
• M5: 2,279,722 km (0.082 R)
• M6: 2,993,005 km (0.031 R)
• M7: 3,869,798 km (0.068 R)
• M8: 4,996,419 km (0.053 R)
• M9: 5,454,787 km (0.095 R)
• M10: 6,013,386 km (0.1 R)
• M11: 7,607,650 km (0.108 R)
• M12: 8,890,751 km (0.094 R)
• M13: 9,468,947 km (0.098 R)
• M14: 10,772,543 km (0.058 R)
• M15: 12,037,542 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.8

Radius: 8

Gravity: 10.39 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.4 AU - 3.4 AU

Year: 3409 Days

Day: 6.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 96,519,382 km

• M1: 132,693 km (0.093 R)
• M2: 434,432 km (0.073 R)
• M3: 691,441 km (0.053 R)
• M4: 950,994 km (0.057 R)
• M5: 1,248,693 km (0.042 R)
• M6: 1,575,266 km (0.095 R)
• M7: 2,023,760 km (0.099 R)
• M8: 3,086,802 km (0.066 R)
• M9: 4,192,480 km (0.095 R)
• M10: 5,920,336 km (0.097 R)
• M11: 6,200,981 km (0.095 R)
• M12: 6,461,282 km (0.047 R)
• M13: 7,286,164 km (0.104 R)
• M14: 7,641,609 km (0.079 R)
• M15: 9,481,363 km (0.105 R)
• M16: 10,958,044 km (0.101 R)
• M17: 15,974,659 km (0.074 R)
• M18: 16,797,447 km (0.099 R)
• M19: 17,077,943 km (0.033 R)
• M20: 18,527,547 km (0.117 R)
• M21: 20,120,315 km (0.063 R)
• M22: 20,692,228 km (0.093 R)
• M23: 21,868,666 km (0.107 R)
• M24: 22,338,104 km (0.096 R)
• M25: 22,677,392 km (0.112 R)
• M26: 23,158,199 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.2

Radius: 14.4

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.28 AU - 4.34 AU

Year: 5133 Days

Day: 13.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 96,519,382 km

• M1: 179,667 km (0.05 R)
• M2: 886,667 km (0.088 R)
• M3: 1,970,952 km (0.069 R)
• M4: 3,302,672 km (0.114 R)
• M5: 4,315,300 km (0.103 R)
• M6: 5,037,708 km (0.107 R)
• M7: 5,610,369 km (0.111 R)
• M8: 6,256,781 km (0.096 R)
• M9: 6,919,949 km (0.041 R)
• M10: 8,165,650 km (0.102 R)
• M11: 9,076,252 km (0.105 R)
• M12: 10,308,340 km (0.12 R)
• M13: 11,009,655 km (0.031 R)
• M14: 12,459,259 km (0.109 R)
• M15: 13,255,568 km (0.092 R)
• M16: 14,298,415 km (0.062 R)
• M17: 15,792,299 km (0.082 R)
• M18: 16,665,951 km (0.118 R)
• M19: 17,205,401 km (0.086 R)
• M20: 19,547,206 km (0.082 R)
• M21: 20,013,054 km (0.075 R)
• M22: 22,166,216 km (0.109 R)
• M23: 24,469,724 km (0.086 R)
• M24: 25,402,915 km (0.07 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.6

Radius: 14.2

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.75 AU - 5.99 AU

Year: 7418 Days

Day: 6.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 96,519,382 km

• M1: 180,415 km (0.062 R)
• M2: 651,499 km (0.059 R)
• M3: 1,396,795 km (0.027 R)
• M4: 1,923,081 km (0.086 R)
• M5: 2,926,583 km (0.082 R)
• M6: 3,524,675 km (0.096 R)
• M7: 5,571,174 km (0.052 R)
• M8: 7,292,597 km (0.112 R)
• M9: 8,072,600 km (0.1 R)
• M10: 9,661,778 km (0.11 R)
• M11: 10,314,624 km (0.111 R)
• M12: 11,197,101 km (0.108 R)
• M13: 12,724,196 km (0.1 R)
• M14: 13,225,349 km (0.092 R)
• M15: 17,111,304 km (0.117 R)
• M16: 25,883,274 km (0.113 R)
• M17: 27,976,597 km (0.081 R)
• M18: 29,788,975 km (0.043 R)
• M19: 38,285,386 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994

Radius: 7.8

Gravity: 16.34 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 10.09 AU - 11.05 AU

Year: 23720 Days

Day: 23.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 96,519,382 km

• M1: 97,089 km (0.094 R)
• M2: 390,899 km (0.093 R)
• M3: 990,039 km (0.117 R)
• M4: 1,430,006 km (0.108 R)
• M5: 1,752,988 km (0.097 R)
• M6: 2,015,981 km (0.108 R)
• M7: 6,268,001 km (0.079 R)
• M8: 9,605,380 km (0.089 R)
• M9: 10,107,879 km (0.119 R)
• M10: 10,760,575 km (0.114 R)
• M11: 11,302,718 km (0.053 R)
• M12: 13,733,085 km (0.103 R)
• M13: 15,534,542 km (0.113 R)
• M14: 16,580,830 km (0.103 R)
• M15: 17,030,371 km (0.067 R)
• M16: 21,661,772 km (0.112 R)
• M17: 24,437,411 km (0.116 R)
• M18: 26,212,090 km (0.108 R)
• M19: 26,945,269 km (0.089 R)
• M20: 29,357,834 km (0.028 R)
• M21: 32,048,801 km (0.069 R)
• M22: 34,316,854 km (0.047 R)
• M23: 36,841,468 km (0.074 R)
• M24: 39,011,534 km (0.099 R)
• M25: 40,938,056 km (0.09 R)
• M26: 43,945,721 km (0.094 R)
• M27: 49,280,381 km (0.107 R)
• M28: 50,022,686 km (0.12 R)
• M29: 59,941,623 km (0.113 R)
• M30: 62,503,038 km (0.053 R)
• M31: 64,692,402 km (0.1 R)
• M32: 66,706,289 km (0.09 R)
• M33: 71,567,023 km (0.118 R)
• M34: 79,419,565 km (0.09 R)
• M35: 80,696,233 km (0.054 R)
• M36: 92,526,133 km (0.155 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: 504 - 20,386 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit