🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358

Radius: 14.5

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.43 AU - 0.61 AU

Year: 250 Days

Day: 6.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,243,271 km

• M1: 180,265 km (0.094 R)
• M2: 639,830 km (0.099 R)
• M3: 1,110,764 km (0.059 R)
• M4: 1,638,845 km (0.111 R)
• M5: 2,151,816 km (0.107 R)
• M6: 2,781,024 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.8

Radius: 12.9

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.56 AU - 0.68 AU

Year: 326 Days

Day: 12.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 61,243,271 km

• M1: 161,267 km (0.119 R)
• M2: 572,960 km (0.107 R)
• M3: 1,089,521 km (0.118 R)
• M4: 1,503,010 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.6

Radius: 12

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.81 AU - 0.81 AU

Year: 486 Days

Day: 12 Hours

Environment

Temp: -173 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,243,271 km

• M1: 149,299 km (0.056 R)
• M2: 672,592 km (0.087 R)
• M3: 1,122,433 km (0.054 R)
• M4: 1,783,655 km (0.031 R)
• M5: 2,498,733 km (0.102 R)
• M6: 2,884,845 km (0.108 R)
• M7: 3,661,857 km (0.087 R)
• M8: 4,107,210 km (0.052 R)
• M9: 4,603,725 km (0.1 R)
• M10: 5,441,024 km (0.096 R)
• M11: 6,491,800 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.2

Radius: 9.5

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.46 AU - 1.46 AU

Year: 1176 Days

Day: 5.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,243,271 km

• M1: 118,482 km (0.101 R)
• M2: 478,713 km (0.103 R)
• M3: 1,118,094 km (0.089 R)
• M4: 1,432,250 km (0.069 R)
• M5: 1,991,596 km (0.084 R)
• M6: 2,402,691 km (0.07 R)
• M7: 2,909,080 km (0.085 R)
• M8: 3,294,893 km (0.087 R)
• M9: 3,730,223 km (0.053 R)
• M10: 4,289,121 km (0.077 R)
• M11: 4,903,070 km (0.118 R)
• M12: 5,231,438 km (0.037 R)
• M13: 5,783,154 km (0.064 R)
• M14: 6,328,289 km (0.111 R)
• M15: 6,979,040 km (0.072 R)
• M16: 7,880,367 km (0.118 R)
• M17: 8,251,220 km (0.071 R)
• M18: 9,822,297 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 623.5

Radius: 6.2

Gravity: 16.22 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.18 AU - 8.1 AU

Year: 12723 Days

Day: 22.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,243,271 km

• M1: 77,791 km (0.115 R)
• M2: 272,119 km (0.079 R)
• M3: 468,690 km (0.051 R)
• M4: 829,969 km (0.082 R)
• M5: 1,518,418 km (0.096 R)
• M6: 2,352,726 km (0.098 R)
• M7: 3,258,541 km (0.1 R)
• M8: 4,377,383 km (0.042 R)
• M9: 4,685,106 km (0.096 R)
• M10: 7,735,407 km (0.098 R)
• M11: 8,845,423 km (0.069 R)
• M12: 9,138,784 km (0.111 R)
• M13: 9,952,746 km (0.085 R)
• M14: 14,692,007 km (0.077 R)
• M15: 14,896,956 km (0.046 R)
• M16: 17,660,029 km (0.074 R)
• M17: 18,999,827 km (0.075 R)
• M18: 19,653,271 km (0.093 R)
• M19: 22,147,666 km (0.079 R)
• M20: 24,175,315 km (0.06 R)
• M21: 25,136,481 km (0.089 R)
• M22: 25,331,856 km (0.078 R)
• M23: 25,824,332 km (0.091 R)
• M24: 28,701,698 km (0.084 R)
• M25: 30,549,082 km (0.071 R)
• M26: 34,962,219 km (0.086 R)
• M27: 36,190,567 km (0.058 R)
• M28: 40,850,541 km (0.081 R)
• M29: 41,255,951 km (0.1 R)
• M30: 44,028,000 km (0.098 R)
• M31: 46,040,689 km (0.056 R)
• M32: 50,094,193 km (0.066 R)
• M33: 50,870,008 km (0.077 R)
• M34: 54,542,336 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.3

Radius: 3.3

Gravity: 61.46 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 6.17 AU - 9.49 AU

Year: 14611 Days

Day: 23.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,243,271 km

• M1: 49,666 km (0.066 R)
• M2: 178,620 km (0.116 R)
• M3: 306,077 km (0.088 R)
• M4: 428,598 km (0.11 R)
• M5: 919,279 km (0.098 R)
• M6: 1,300,005 km (0.039 R)
• M7: 1,503,010 km (0.083 R)
• M8: 1,628,223 km (0.084 R)
• M9: 2,180,987 km (0.084 R)
• M10: 3,242,683 km (0.117 R)
• M11: 3,899,568 km (0.11 R)
• M12: 5,470,645 km (0.119 R)
• M13: 6,274,284 km (0.103 R)
• M14: 8,796,355 km (0.085 R)
• M15: 11,315,733 km (0.055 R)
• M16: 11,494,951 km (0.051 R)
• M17: 13,864,581 km (0.081 R)
• M18: 15,860,217 km (0.098 R)
• M19: 17,397,634 km (0.092 R)
• M20: 22,038,609 km (0.099 R)
• M21: 37,626,856 km (0.067 R)
• M22: 41,323,569 km (0.046 R)
• M23: 48,322,805 km (0.115 R)
• M24: 50,550,916 km (0.103 R)
• M25: 53,514,898 km (0.08 R)
• M26: 57,116,766 km (0.051 R)
• M27: 57,292,095 km (0.078 R)
• M28: 59,066,326 km (0.105 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: 427 - 15,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit