🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.4

Radius: 15

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.62 AU - 0.78 AU

Year: 384 Days

Day: 6.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,912,049 km

• M1: 186,698 km (0.088 R)
• M2: 698,024 km (0.109 R)
• M3: 1,220,868 km (0.113 R)
• M4: 1,690,755 km (0.082 R)
• M5: 2,198,042 km (0.089 R)
• M6: 2,767,561 km (0.115 R)
• M7: 3,640,315 km (0.086 R)
• M8: 4,516,659 km (0.105 R)
• M9: 4,990,286 km (0.114 R)
• M10: 5,831,475 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.5

Radius: 13.9

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.1 AU - 1.18 AU

Year: 798 Days

Day: 10.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 75,912,049 km

• M1: 176,675 km (0.104 R)
• M2: 617,540 km (0.107 R)
• M3: 1,058,255 km (0.05 R)
• M4: 2,070,883 km (0.087 R)
• M5: 2,504,717 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.7

Radius: 10.6

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.18 AU - 1.2 AU

Year: 852 Days

Day: 8.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,912,049 km

• M1: 132,245 km (0.107 R)
• M2: 541,245 km (0.093 R)
• M3: 930,050 km (0.108 R)
• M4: 2,573,981 km (0.05 R)
• M5: 2,987,619 km (0.089 R)
• M6: 3,380,912 km (0.119 R)
• M7: 3,712,271 km (0.079 R)
• M8: 4,856,096 km (0.061 R)
• M9: 7,034,391 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.2

Radius: 13.3

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.55 AU - 3.91 AU

Year: 4726 Days

Day: 11.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,912,049 km

• M1: 165,754 km (0.119 R)
• M2: 929,302 km (0.07 R)
• M3: 1,360,144 km (0.052 R)
• M4: 1,903,035 km (0.088 R)
• M5: 2,328,790 km (0.083 R)
• M6: 2,752,002 km (0.043 R)
• M7: 3,359,071 km (0.107 R)
• M8: 3,819,383 km (0.059 R)
• M9: 5,120,586 km (0.027 R)
• M10: 6,365,838 km (0.075 R)
• M11: 7,140,007 km (0.072 R)
• M12: 7,769,665 km (0.095 R)
• M13: 8,727,989 km (0.099 R)
• M14: 9,370,960 km (0.076 R)
• M15: 11,182,441 km (0.063 R)
• M16: 16,375,581 km (0.069 R)
• M17: 16,947,045 km (0.062 R)
• M18: 18,556,569 km (0.104 R)
• M19: 19,941,546 km (0.076 R)
• M20: 21,529,976 km (0.078 R)
• M21: 22,564,744 km (0.117 R)
• M22: 23,704,680 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920

Radius: 8

Gravity: 14.38 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.26 AU - 6 AU

Year: 8763 Days

Day: 13.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,912,049 km

• M1: 99,483 km (0.061 R)
• M2: 480,359 km (0.046 R)
• M3: 810,222 km (0.042 R)
• M4: 1,183,319 km (0.089 R)
• M5: 2,751,404 km (0.116 R)
• M6: 3,262,730 km (0.11 R)
• M7: 3,680,257 km (0.043 R)
• M8: 4,387,257 km (0.051 R)
• M9: 5,213,935 km (0.115 R)
• M10: 5,925,871 km (0.066 R)
• M11: 6,510,499 km (0.03 R)
• M12: 7,093,033 km (0.07 R)
• M13: 10,076,165 km (0.099 R)
• M14: 11,955,712 km (0.076 R)
• M15: 12,474,368 km (0.105 R)
• M16: 13,189,296 km (0.084 R)
• M17: 14,120,992 km (0.035 R)
• M18: 14,505,758 km (0.118 R)
• M19: 15,229,213 km (0.117 R)
• M20: 17,765,495 km (0.068 R)
• M21: 18,441,079 km (0.036 R)
• M22: 20,570,605 km (0.106 R)
• M23: 24,844,616 km (0.071 R)
• M24: 26,070,720 km (0.111 R)
• M25: 27,634,467 km (0.093 R)
• M26: 29,363,369 km (0.052 R)
• M27: 31,925,233 km (0.105 R)
• M28: 33,599,981 km (0.113 R)
• M29: 37,856,639 km (0.114 R)
• M30: 42,592,459 km (0.026 R)
• M31: 43,801,359 km (0.117 R)
• M32: 45,866,857 km (0.082 R)
• M33: 47,422,076 km (0.076 R)
• M34: 48,140,595 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.9

Radius: 5.1

Gravity: 23.37 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 6.04 AU - 7.9 AU

Year: 12071 Days

Day: 18 Hours

Environment

Temp: -231 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,912,049 km

• M1: 63,429 km (0.095 R)
• M2: 229,034 km (0.088 R)
• M3: 404,513 km (0.09 R)
• M4: 603,777 km (0.116 R)
• M5: 980,165 km (0.09 R)
• M6: 1,388,867 km (0.075 R)
• M7: 2,223,922 km (0.111 R)
• M8: 3,063,166 km (0.053 R)
• M9: 3,737,703 km (0.099 R)
• M10: 5,173,543 km (0.049 R)
• M11: 6,313,180 km (0.069 R)
• M12: 6,544,159 km (0.116 R)
• M13: 10,135,256 km (0.102 R)
• M14: 10,830,287 km (0.045 R)
• M15: 12,797,499 km (0.061 R)
• M16: 15,962,392 km (0.071 R)
• M17: 22,869,475 km (0.1 R)
• M18: 23,231,951 km (0.118 R)
• M19: 24,248,468 km (0.079 R)
• M20: 25,975,426 km (0.026 R)
• M21: 27,577,769 km (0.104 R)
• M22: 28,091,787 km (0.088 R)
• M23: 33,355,089 km (0.056 R)
• M24: 37,960,310 km (0.078 R)
• M25: 40,282,667 km (0.102 R)
• M26: 44,080,509 km (0.117 R)
• M27: 50,061,880 km (0.099 R)
• M28: 51,909,564 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.5

Radius: 3.9

Gravity: 51.18 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 8.92 AU - 9.74 AU

Year: 18695 Days

Day: 22.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 75,912,049 km

• M1: 49,367 km (0.068 R)
• M2: 176,376 km (0.062 R)
• M3: 325,525 km (0.063 R)
• M4: 483,650 km (0.118 R)
• M5: 971,489 km (0.078 R)
• M6: 2,397,156 km (0.098 R)
• M7: 2,676,904 km (0.044 R)
• M8: 2,824,707 km (0.029 R)
• M9: 3,587,955 km (0.119 R)
• M10: 3,829,257 km (0.12 R)
• M11: 4,867,466 km (0.1 R)
• M12: 5,470,794 km (0.118 R)
• M13: 6,869,833 km (0.096 R)
• M14: 7,775,050 km (0.102 R)
• M15: 7,975,212 km (0.072 R)
• M16: 9,418,084 km (0.11 R)
• M17: 9,760,812 km (0.053 R)
• M18: 10,230,699 km (0.078 R)
• M19: 12,947,696 km (0.107 R)
• M20: 14,024,052 km (0.078 R)
• M21: 15,868,145 km (0.108 R)
• M22: 16,517,101 km (0.082 R)
• M23: 17,609,016 km (0.106 R)
• M24: 19,108,435 km (0.107 R)
• M25: 25,958,372 km (0.111 R)
• M26: 26,181,423 km (0.108 R)
• M27: 28,958,408 km (0.068 R)
• M28: 30,171,347 km (0.073 R)
• M29: 33,879,430 km (0.116 R)
• M30: 38,310,968 km (0.107 R)
• M31: 43,740,622 km (0.059 R)
• M32: 46,310,115 km (0.111 R)
• M33: 47,465,160 km (0.111 R)
• M34: 50,350,155 km (0.12 R)
• M35: 52,455,596 km (0.112 R)
• M36: 53,891,287 km (0.062 R)
• M37: 57,594,881 km (0.079 R)
• M38: 57,974,261 km (0.082 R)
• M39: 66,958,212 km (0.116 R)
• M40: 74,554,642 km (0.099 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: 507 - 11,994 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit