🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.1

Radius: 15

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.98 AU - 1.12 AU

Year: 756 Days

Day: 5.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,039,807 km

• M1: 186,848 km (0.076 R)
• M2: 662,569 km (0.105 R)
• M3: 1,300,454 km (0.04 R)
• M4: 1,919,191 km (0.098 R)
• M5: 2,578,170 km (0.026 R)
• M6: 3,215,905 km (0.071 R)
• M7: 4,293,608 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.2

Radius: 13.1

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.2 AU - 1.22 AU

Year: 936 Days

Day: 12.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,039,807 km

• M1: 162,912 km (0.059 R)
• M2: 615,595 km (0.09 R)
• M3: 1,235,828 km (0.071 R)
• M4: 1,857,706 km (0.06 R)
• M5: 2,419,746 km (0.104 R)
• M6: 3,295,043 km (0.076 R)
• M7: 4,142,515 km (0.109 R)
• M8: 4,626,913 km (0.097 R)
• M9: 5,130,459 km (0.118 R)
• M10: 5,551,577 km (0.038 R)
• M11: 5,995,883 km (0.096 R)
• M12: 6,507,807 km (0.104 R)
• M13: 6,979,638 km (0.081 R)
• M14: 8,613,247 km (0.067 R)
• M15: 9,548,383 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.8

Radius: 10

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.12 AU - 2.48 AU

Year: 2452 Days

Day: 12.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,039,807 km

• M1: 124,316 km (0.106 R)
• M2: 476,768 km (0.097 R)
• M3: 1,010,085 km (0.09 R)
• M4: 1,322,146 km (0.113 R)
• M5: 2,779,080 km (0.092 R)
• M6: 3,738,002 km (0.032 R)
• M7: 4,882,127 km (0.112 R)
• M8: 6,399,797 km (0.091 R)
• M9: 6,796,830 km (0.093 R)
• M10: 7,936,765 km (0.105 R)
• M11: 9,100,637 km (0.074 R)
• M12: 9,671,951 km (0.112 R)
• M13: 10,849,286 km (0.092 R)
• M14: 12,977,914 km (0.028 R)
• M15: 13,658,884 km (0.05 R)
• M16: 14,318,611 km (0.102 R)
• M17: 14,953,354 km (0.086 R)
• M18: 15,371,331 km (0.113 R)
• M19: 15,892,679 km (0.08 R)
• M20: 16,425,697 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.4

Radius: 11.3

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.24 AU - 3.38 AU

Year: 3311 Days

Day: 6.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,039,807 km

• M1: 140,472 km (0.113 R)
• M2: 811,868 km (0.11 R)
• M3: 1,316,312 km (0.103 R)
• M4: 1,684,023 km (0.047 R)
• M5: 2,308,445 km (0.103 R)
• M6: 3,118,517 km (0.057 R)
• M7: 3,519,739 km (0.11 R)
• M8: 3,912,433 km (0.089 R)
• M9: 4,861,033 km (0.068 R)
• M10: 5,483,959 km (0.106 R)
• M11: 6,101,050 km (0.107 R)
• M12: 6,984,575 km (0.114 R)
• M13: 8,817,298 km (0.119 R)
• M14: 10,736,190 km (0.083 R)
• M15: 11,212,360 km (0.053 R)
• M16: 11,702,742 km (0.118 R)
• M17: 12,774,461 km (0.096 R)
• M18: 14,012,234 km (0.085 R)
• M19: 16,553,154 km (0.114 R)
• M20: 18,572,875 km (0.115 R)
• M21: 19,260,127 km (0.074 R)
• M22: 20,355,483 km (0.04 R)
• M23: 21,971,888 km (0.047 R)
• M24: 22,529,290 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691

Radius: 14.7

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.49 AU - 4.73 AU

Year: 6958 Days

Day: 10.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,039,807 km

• M1: 185,352 km (0.048 R)
• M2: 938,727 km (0.116 R)
• M3: 1,413,700 km (0.073 R)
• M4: 2,024,508 km (0.113 R)
• M5: 2,533,141 km (0.091 R)
• M6: 3,605,757 km (0.105 R)
• M7: 4,415,381 km (0.039 R)
• M8: 5,194,936 km (0.097 R)
• M9: 6,163,582 km (0.045 R)
• M10: 7,361,262 km (0.079 R)
• M11: 8,667,102 km (0.101 R)
• M12: 9,309,475 km (0.12 R)
• M13: 10,356,361 km (0.109 R)
• M14: 11,480,440 km (0.113 R)
• M15: 13,233,278 km (0.117 R)
• M16: 13,741,013 km (0.105 R)
• M17: 16,284,626 km (0.055 R)
• M18: 16,802,534 km (0.081 R)
• M19: 20,293,550 km (0.049 R)
• M20: 22,208,851 km (0.119 R)
• M21: 26,396,694 km (0.089 R)
• M22: 30,396,941 km (0.044 R)
• M23: 32,899,564 km (0.05 R)
• M24: 36,299,774 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 777.3

Radius: 5.5

Gravity: 25.7 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.86 AU - 7.66 AU

Year: 12355 Days

Day: 17.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 74,039,807 km

• M1: 70,012 km (0.085 R)
• M2: 295,157 km (0.11 R)
• M3: 556,504 km (0.086 R)
• M4: 913,893 km (0.073 R)
• M5: 1,102,387 km (0.045 R)
• M6: 1,441,824 km (0.078 R)
• M7: 1,636,302 km (0.044 R)
• M8: 2,042,161 km (0.11 R)
• M9: 3,173,719 km (0.096 R)
• M10: 3,452,868 km (0.108 R)
• M11: 3,775,850 km (0.113 R)
• M12: 5,272,876 km (0.09 R)
• M13: 9,222,858 km (0.12 R)
• M14: 12,057,888 km (0.109 R)
• M15: 13,247,639 km (0.05 R)
• M16: 19,038,423 km (0.083 R)
• M17: 20,473,366 km (0.092 R)
• M18: 21,084,623 km (0.106 R)
• M19: 21,797,906 km (0.061 R)
• M20: 21,978,770 km (0.12 R)
• M21: 24,034,544 km (0.081 R)
• M22: 26,011,479 km (0.1 R)
• M23: 30,624,031 km (0.084 R)
• M24: 31,078,958 km (0.032 R)
• M25: 44,839,568 km (0.101 R)
• M26: 48,743,773 km (0.096 R)
• M27: 50,461,456 km (0.1 R)
• M28: 52,219,231 km (0.027 R)
• M29: 56,195,243 km (0.1 R)
• M30: 57,048,250 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.1

Radius: 4.7

Gravity: 28.03 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 7.68 AU - 11.08 AU

Year: 20194 Days

Day: 18.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 74,039,807 km

• M1: 58,493 km (0.12 R)
• M2: 361,428 km (0.092 R)
• M3: 534,513 km (0.108 R)
• M4: 912,397 km (0.112 R)
• M5: 1,186,910 km (0.092 R)
• M6: 1,404,275 km (0.111 R)
• M7: 1,862,793 km (0.096 R)
• M8: 2,262,369 km (0.09 R)
• M9: 2,505,465 km (0.077 R)
• M10: 2,839,816 km (0.088 R)
• M11: 3,257,643 km (0.118 R)
• M12: 4,514,864 km (0.091 R)
• M13: 6,360,453 km (0.096 R)
• M14: 6,577,818 km (0.104 R)
• M15: 7,073,287 km (0.12 R)
• M16: 8,291,462 km (0.118 R)
• M17: 8,762,246 km (0.108 R)
• M18: 9,586,381 km (0.058 R)
• M19: 12,434,425 km (0.106 R)
• M20: 15,958,652 km (0.061 R)
• M21: 18,911,864 km (0.051 R)
• M22: 20,375,529 km (0.084 R)
• M23: 22,309,231 km (0.098 R)
• M24: 23,837,523 km (0.106 R)
• M25: 26,202,965 km (0.117 R)
• M26: 27,328,090 km (0.095 R)
• M27: 28,367,945 km (0.071 R)
• M28: 28,720,398 km (0.116 R)
• M29: 29,916,133 km (0.068 R)
• M30: 32,406,489 km (0.095 R)
• M31: 33,309,761 km (0.111 R)
• M32: 37,512,414 km (0.058 R)
• M33: 38,939,877 km (0.094 R)
• M34: 40,107,788 km (0.115 R)
• M35: 43,907,424 km (0.116 R)
• M36: 47,114,802 km (0.086 R)
• M37: 47,279,061 km (0.1 R)
• M38: 50,303,032 km (0.063 R)
• M39: 54,532,014 km (0.08 R)
• M40: 59,950,599 km (0.097 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 14,951 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit