🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.1

Radius: 12.2

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.64 AU - 0.96 AU

Year: 469 Days

Day: 6.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,947,462 km

• M1: 151,692 km (0.108 R)
• M2: 668,852 km (0.087 R)
• M3: 1,068,278 km (0.084 R)
• M4: 1,562,400 km (0.09 R)
• M5: 1,950,008 km (0.101 R)
• M6: 2,701,738 km (0.055 R)
• M7: 3,612,938 km (0.053 R)
• M8: 4,492,723 km (0.116 R)
• M9: 4,873,450 km (0.075 R)
• M10: 5,259,113 km (0.053 R)
• M11: 5,929,760 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.7

Radius: 8.1

Gravity: 14.4 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.93 AU - 0.97 AU

Year: 607 Days

Day: 14.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,947,462 km

• M1: 100,679 km (0.098 R)
• M2: 352,901 km (0.088 R)
• M3: 625,917 km (0.113 R)
• M4: 1,130,960 km (0.036 R)
• M5: 1,383,032 km (0.051 R)
• M6: 2,032,287 km (0.062 R)
• M7: 2,368,284 km (0.119 R)
• M8: 2,718,343 km (0.083 R)
• M9: 3,414,123 km (0.073 R)
• M10: 4,085,518 km (0.091 R)
• M11: 4,460,859 km (0.03 R)
• M12: 4,910,401 km (0.064 R)
• M13: 5,208,699 km (0.086 R)
• M14: 5,575,213 km (0.08 R)
• M15: 5,841,797 km (0.089 R)
• M16: 6,483,572 km (0.1 R)
• M17: 8,220,104 km (0.088 R)

Asteroid Belt

Center: 1.63 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.6

Radius: 12.7

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.9 AU - 2.72 AU

Year: 2303 Days

Day: 12 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 67,947,462 km

• M1: 157,975 km (0.108 R)
• M2: 918,681 km (0.119 R)
• M3: 1,633,010 km (0.103 R)
• M4: 2,131,620 km (0.068 R)
• M5: 4,057,393 km (0.089 R)
• M6: 4,655,037 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290

Radius: 12.1

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.46 AU - 3.46 AU

Year: 4222 Days

Day: 11.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,947,462 km

• M1: 157,078 km (0.106 R)
• M2: 677,230 km (0.116 R)
• M3: 1,227,750 km (0.035 R)
• M4: 2,069,387 km (0.104 R)
• M5: 2,770,702 km (0.097 R)
• M6: 3,212,016 km (0.107 R)
• M7: 3,834,792 km (0.059 R)
• M8: 4,580,687 km (0.045 R)
• M9: 6,784,114 km (0.114 R)
• M10: 9,436,933 km (0.081 R)
• M11: 13,805,041 km (0.056 R)
• M12: 14,468,059 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.4

Radius: 11.2

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.35 AU - 4.65 AU

Year: 5248 Days

Day: 10.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,947,462 km

• M1: 151,692 km (0.115 R)
• M2: 527,931 km (0.107 R)
• M3: 937,829 km (0.099 R)
• M4: 1,291,478 km (0.068 R)
• M5: 2,046,200 km (0.077 R)
• M6: 2,816,180 km (0.09 R)
• M7: 3,970,627 km (0.105 R)
• M8: 4,517,257 km (0.086 R)
• M9: 8,074,844 km (0.08 R)
• M10: 8,526,031 km (0.107 R)
• M11: 9,397,140 km (0.106 R)
• M12: 11,085,801 km (0.117 R)
• M13: 13,275,614 km (0.092 R)
• M14: 14,609,578 km (0.074 R)
• M15: 15,855,729 km (0.064 R)
• M16: 17,048,921 km (0.117 R)
• M17: 19,951,120 km (0.113 R)
• M18: 20,430,432 km (0.087 R)
• M19: 25,655,287 km (0.091 R)
• M20: 29,712,680 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.6

Radius: 12.4

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.37 AU - 4.93 AU

Year: 6578 Days

Day: 10.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,947,462 km

• M1: 154,535 km (0.071 R)
• M2: 548,575 km (0.057 R)
• M3: 954,584 km (0.034 R)
• M4: 1,460,973 km (0.096 R)
• M5: 2,429,619 km (0.071 R)
• M6: 3,396,769 km (0.11 R)
• M7: 3,883,710 km (0.058 R)
• M8: 4,364,069 km (0.098 R)
• M9: 4,998,663 km (0.043 R)
• M10: 5,821,452 km (0.057 R)
• M11: 7,166,785 km (0.056 R)
• M12: 8,459,012 km (0.091 R)
• M13: 10,608,135 km (0.099 R)
• M14: 11,247,965 km (0.053 R)
• M15: 12,123,411 km (0.045 R)
• M16: 12,713,725 km (0.107 R)
• M17: 13,099,388 km (0.11 R)
• M18: 13,606,525 km (0.062 R)
• M19: 15,517,039 km (0.117 R)
• M20: 17,062,984 km (0.119 R)
• M21: 18,922,335 km (0.109 R)
• M22: 26,361,538 km (0.118 R)
• M23: 29,892,647 km (0.086 R)
• M24: 35,653,810 km (0.074 R)
• M25: 37,089,800 km (0.071 R)
• M26: 38,220,461 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.4

Radius: 10.6

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.58 AU - 6.58 AU

Year: 8647 Days

Day: 11.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,947,462 km

• M1: 136,583 km (0.028 R)
• M2: 480,359 km (0.111 R)
• M3: 979,118 km (0.067 R)
• M4: 1,685,070 km (0.084 R)
• M5: 3,504,779 km (0.094 R)
• M6: 4,218,361 km (0.109 R)
• M7: 4,908,905 km (0.077 R)
• M8: 5,514,178 km (0.083 R)
• M9: 7,632,334 km (0.095 R)
• M10: 8,743,248 km (0.032 R)
• M11: 10,780,172 km (0.081 R)
• M12: 11,131,129 km (0.102 R)
• M13: 15,136,761 km (0.113 R)
• M14: 16,951,084 km (0.093 R)
• M15: 18,833,774 km (0.085 R)
• M16: 19,639,358 km (0.108 R)
• M17: 21,793,567 km (0.097 R)
• M18: 25,050,313 km (0.107 R)
• M19: 25,578,543 km (0.03 R)
• M20: 26,024,494 km (0.111 R)
• M21: 26,475,532 km (0.075 R)
• M22: 27,579,415 km (0.072 R)
• M23: 34,965,211 km (0.081 R)
• M24: 36,630,834 km (0.111 R)
• M25: 38,000,851 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.5

Radius: 6

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 6.5 AU - 8.86 AU

Year: 13962 Days

Day: 23.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,947,462 km

• M1: 74,649 km (0.112 R)
• M2: 350,508 km (0.114 R)
• M3: 985,551 km (0.101 R)
• M4: 2,245,763 km (0.112 R)
• M5: 3,082,315 km (0.063 R)
• M6: 3,571,051 km (0.116 R)
• M7: 4,556,003 km (0.119 R)
• M8: 5,777,919 km (0.064 R)
• M9: 6,158,795 km (0.117 R)
• M10: 6,630,327 km (0.118 R)
• M11: 8,759,703 km (0.076 R)
• M12: 9,544,643 km (0.104 R)
• M13: 11,574,986 km (0.057 R)
• M14: 12,462,101 km (0.057 R)
• M15: 12,748,282 km (0.117 R)
• M16: 13,754,627 km (0.08 R)
• M17: 14,876,760 km (0.074 R)
• M18: 15,264,069 km (0.063 R)
• M19: 15,460,192 km (0.105 R)
• M20: 15,657,960 km (0.12 R)
• M21: 16,741,647 km (0.118 R)
• M22: 18,906,777 km (0.078 R)
• M23: 19,745,423 km (0.093 R)
• M24: 20,291,754 km (0.039 R)
• M25: 25,395,735 km (0.117 R)
• M26: 28,636,623 km (0.104 R)
• M27: 31,083,595 km (0.103 R)
• M28: 32,143,047 km (0.098 R)
• M29: 33,445,895 km (0.111 R)
• M30: 40,993,557 km (0.117 R)
• M31: 41,499,796 km (0.052 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.7

Radius: 6

Gravity: 12.3 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 8.91 AU - 11.25 AU

Year: 20994 Days

Day: 15.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,947,462 km

• M1: 74,649 km (0.053 R)
• M2: 525,537 km (0.1 R)
• M3: 858,093 km (0.112 R)
• M4: 1,440,478 km (0.062 R)
• M5: 1,695,991 km (0.113 R)
• M6: 1,962,724 km (0.113 R)
• M7: 3,429,681 km (0.083 R)
• M8: 3,917,819 km (0.053 R)
• M9: 4,257,555 km (0.12 R)
• M10: 5,103,232 km (0.078 R)
• M11: 5,622,935 km (0.075 R)
• M12: 6,595,321 km (0.089 R)
• M13: 7,674,969 km (0.064 R)
• M14: 12,058,187 km (0.109 R)
• M15: 16,407,595 km (0.094 R)
• M16: 16,804,778 km (0.068 R)
• M17: 22,178,184 km (0.03 R)
• M18: 24,367,100 km (0.036 R)
• M19: 27,355,915 km (0.072 R)
• M20: 29,634,590 km (0.052 R)
• M21: 30,940,280 km (0.054 R)
• M22: 37,909,746 km (0.101 R)
• M23: 39,731,100 km (0.119 R)
• M24: 42,051,961 km (0.064 R)
• M25: 43,547,491 km (0.075 R)
• M26: 47,922,930 km (0.088 R)
• M27: 50,885,117 km (0.087 R)
• M28: 52,240,025 km (0.058 R)
• M29: 53,618,719 km (0.106 R)
• M30: 56,268,995 km (0.079 R)
• M31: 65,533,292 km (0.085 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 15,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit