🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.3

Radius: 10.7

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.75 AU - 1.13 AU

Year: 608 Days

Day: 10.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,955,882 km

• M1: 133,142 km (0.05 R)
• M2: 541,245 km (0.114 R)
• M3: 934,239 km (0.049 R)
• M4: 1,293,423 km (0.093 R)
• M5: 1,746,406 km (0.119 R)
• M6: 2,110,976 km (0.119 R)
• M7: 4,043,331 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.5

Radius: 8

Gravity: 14.38 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.08 AU - 2.14 AU

Year: 2044 Days

Day: 8.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,955,882 km

• M1: 99,632 km (0.085 R)
• M2: 367,861 km (0.12 R)
• M3: 1,054,366 km (0.087 R)
• M4: 1,633,310 km (0.116 R)
• M5: 2,143,588 km (0.098 R)
• M6: 2,680,943 km (0.114 R)
• M7: 3,886,702 km (0.108 R)
• M8: 5,112,507 km (0.069 R)
• M9: 5,915,399 km (0.108 R)
• M10: 6,360,602 km (0.04 R)
• M11: 6,743,722 km (0.103 R)
• M12: 7,026,911 km (0.079 R)
• M13: 7,288,408 km (0.047 R)
• M14: 7,586,706 km (0.096 R)
• M15: 8,929,497 km (0.031 R)
• M16: 9,586,381 km (0.072 R)
• M17: 9,908,465 km (0.101 R)
• M18: 10,803,061 km (0.101 R)
• M19: 11,428,679 km (0.098 R)
• M20: 11,750,464 km (0.079 R)
• M21: 12,666,601 km (0.116 R)
• M22: 15,212,458 km (0.102 R)
• M23: 16,810,762 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.7

Radius: 8.1

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.73 AU - 3.03 AU

Year: 3259 Days

Day: 8.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,955,882 km

• M1: 100,829 km (0.092 R)
• M2: 1,505,254 km (0.09 R)
• M3: 3,312,695 km (0.055 R)
• M4: 4,892,898 km (0.102 R)
• M5: 6,426,425 km (0.105 R)
• M6: 6,833,332 km (0.116 R)
• M7: 8,583,926 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.9

Radius: 14.3

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.74 AU - 4.34 AU

Year: 4442 Days

Day: 9.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 101.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,955,882 km

• M1: 182,360 km (0.097 R)
• M2: 674,986 km (0.088 R)
• M3: 1,249,890 km (0.089 R)
• M4: 2,050,538 km (0.059 R)
• M5: 2,807,054 km (0.079 R)
• M6: 3,410,532 km (0.098 R)
• M7: 3,990,822 km (0.104 R)
• M8: 4,737,465 km (0.116 R)
• M9: 5,552,923 km (0.058 R)
• M10: 6,460,234 km (0.117 R)
• M11: 7,436,660 km (0.098 R)
• M12: 8,180,161 km (0.04 R)
• M13: 8,662,016 km (0.07 R)
• M14: 9,355,552 km (0.094 R)
• M15: 9,849,374 km (0.094 R)
• M16: 11,925,793 km (0.103 R)
• M17: 14,279,715 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.4

Radius: 7.7

Gravity: 13.25 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.05 AU - 7.11 AU

Year: 9997 Days

Day: 18.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,955,882 km

• M1: 95,892 km (0.076 R)
• M2: 461,360 km (0.113 R)
• M3: 823,087 km (0.099 R)
• M4: 1,977,983 km (0.106 R)
• M5: 3,673,974 km (0.11 R)
• M6: 5,000,608 km (0.09 R)
• M7: 5,427,411 km (0.119 R)
• M8: 5,878,299 km (0.085 R)
• M9: 6,815,230 km (0.105 R)
• M10: 8,022,934 km (0.066 R)
• M11: 9,221,662 km (0.096 R)
• M12: 11,018,182 km (0.095 R)
• M13: 12,318,487 km (0.058 R)
• M14: 13,036,108 km (0.095 R)
• M15: 14,035,871 km (0.081 R)
• M16: 14,554,526 km (0.109 R)
• M17: 15,085,898 km (0.094 R)
• M18: 16,046,765 km (0.058 R)
• M19: 20,300,880 km (0.079 R)
• M20: 20,547,866 km (0.045 R)
• M21: 21,556,305 km (0.11 R)
• M22: 21,813,464 km (0.104 R)
• M23: 23,309,742 km (0.112 R)
• M24: 31,277,474 km (0.09 R)
• M25: 34,680,377 km (0.078 R)
• M26: 35,747,608 km (0.104 R)
• M27: 36,836,381 km (0.102 R)
• M28: 38,573,811 km (0.103 R)
• M29: 39,080,200 km (0.105 R)
• M30: 39,590,777 km (0.036 R)
• M31: 44,251,050 km (0.064 R)
• M32: 46,071,207 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 478.8

Radius: 6.1

Gravity: 12.87 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.02 AU - 8.04 AU

Year: 15174 Days

Day: 16.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,955,882 km

• M1: 89,908 km (0.068 R)
• M2: 580,739 km (0.072 R)
• M3: 1,050,476 km (0.107 R)
• M4: 2,871,531 km (0.111 R)
• M5: 4,693,334 km (0.108 R)
• M6: 5,937,240 km (0.044 R)
• M7: 9,874,656 km (0.079 R)
• M8: 15,767,616 km (0.116 R)
• M9: 21,453,083 km (0.109 R)
• M10: 30,555,365 km (0.088 R)
• M11: 31,119,050 km (0.101 R)
• M12: 32,617,123 km (0.113 R)
• M13: 35,260,817 km (0.102 R)
• M14: 38,696,481 km (0.103 R)
• M15: 41,380,566 km (0.091 R)
• M16: 43,331,622 km (0.089 R)
• M17: 48,781,771 km (0.107 R)
• M18: 50,485,990 km (0.099 R)
• M19: 52,712,007 km (0.086 R)
• M20: 53,197,452 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.7

Radius: 7

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 9.12 AU - 11.68 AU

Year: 22366 Days

Day: 22.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,955,882 km

• M1: 87,515 km (0.1 R)
• M2: 706,700 km (0.093 R)
• M3: 1,089,521 km (0.1 R)
• M4: 2,011,493 km (0.093 R)
• M5: 2,398,054 km (0.077 R)
• M6: 3,712,870 km (0.095 R)
• M7: 4,263,539 km (0.067 R)
• M8: 5,720,024 km (0.082 R)
• M9: 7,575,038 km (0.064 R)
• M10: 10,025,002 km (0.079 R)
• M11: 10,371,620 km (0.102 R)
• M12: 10,967,020 km (0.062 R)
• M13: 12,096,035 km (0.104 R)
• M14: 13,094,451 km (0.107 R)
• M15: 14,363,789 km (0.069 R)
• M16: 15,635,969 km (0.1 R)
• M17: 19,721,039 km (0.086 R)
• M18: 21,101,079 km (0.114 R)
• M19: 22,544,250 km (0.077 R)
• M20: 23,441,089 km (0.107 R)
• M21: 23,949,572 km (0.036 R)
• M22: 24,361,564 km (0.098 R)
• M23: 25,625,966 km (0.074 R)
• M24: 26,383,380 km (0.044 R)
• M25: 28,284,918 km (0.109 R)
• M26: 30,757,771 km (0.086 R)
• M27: 31,489,903 km (0.085 R)
• M28: 31,736,590 km (0.085 R)
• M29: 33,371,096 km (0.105 R)
• M30: 34,404,518 km (0.092 R)
• M31: 39,176,990 km (0.091 R)
• M32: 53,435,462 km (0.078 R)
• M33: 54,670,691 km (0.108 R)
• M34: 63,264,640 km (0.077 R)
• M35: 65,645,939 km (0.096 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 15,354 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit