🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.1

Radius: 14.7

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.55 AU - 0.61 AU

Year: 300 Days

Day: 10.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,422,180 km

• M1: 184,155 km (0.028 R)
• M2: 1,054,067 km (0.089 R)
• M3: 1,760,917 km (0.087 R)
• M4: 2,435,154 km (0.096 R)
• M5: 2,983,879 km (0.1 R)
• M6: 3,809,659 km (0.071 R)
• M7: 4,555,405 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.9

Radius: 8.3

Gravity: 11.48 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.67 AU - 0.67 AU

Year: 372 Days

Day: 7.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,422,180 km

• M1: 103,223 km (0.04 R)
• M2: 379,530 km (0.086 R)
• M3: 750,233 km (0.072 R)
• M4: 1,069,176 km (0.091 R)
• M5: 1,504,805 km (0.066 R)
• M6: 1,794,726 km (0.106 R)
• M7: 2,080,158 km (0.1 R)
• M8: 2,341,057 km (0.09 R)
• M9: 3,102,660 km (0.078 R)
• M10: 3,638,370 km (0.115 R)
• M11: 4,006,829 km (0.08 R)
• M12: 4,386,060 km (0.058 R)
• M13: 4,730,135 km (0.116 R)
• M14: 5,061,195 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.6

Radius: 9

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.06 AU - 1.62 AU

Year: 1052 Days

Day: 13.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,422,180 km

• M1: 112,049 km (0.061 R)
• M2: 492,476 km (0.119 R)
• M3: 2,360,206 km (0.049 R)
• M4: 2,929,426 km (0.073 R)
• M5: 4,823,634 km (0.096 R)
• M6: 5,397,790 km (0.07 R)
• M7: 5,877,401 km (0.117 R)
• M8: 6,281,315 km (0.113 R)
• M9: 7,304,116 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.9

Radius: 14.9

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.03 AU - 1.71 AU

Year: 1088 Days

Day: 8.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,422,180 km

• M1: 185,651 km (0.119 R)
• M2: 731,534 km (0.093 R)
• M3: 1,225,805 km (0.094 R)
• M4: 1,721,423 km (0.1 R)
• M5: 2,311,138 km (0.091 R)
• M6: 3,245,675 km (0.1 R)
• M7: 3,816,242 km (0.076 R)
• M8: 6,516,334 km (0.109 R)
• M9: 7,078,672 km (0.08 R)
• M10: 7,920,310 km (0.063 R)
• M11: 9,099,739 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.8

Radius: 6.2

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.82 AU - 7.56 AU

Year: 10445 Days

Day: 24.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,422,180 km

• M1: 77,043 km (0.114 R)
• M2: 412,142 km (0.076 R)
• M3: 696,677 km (0.108 R)
• M4: 1,072,766 km (0.066 R)
• M5: 1,530,237 km (0.103 R)
• M6: 2,638,009 km (0.074 R)
• M7: 3,231,015 km (0.065 R)
• M8: 4,223,896 km (0.084 R)
• M9: 4,482,999 km (0.071 R)
• M10: 6,857,716 km (0.1 R)
• M11: 7,282,724 km (0.118 R)
• M12: 8,185,397 km (0.092 R)
• M13: 10,592,128 km (0.106 R)
• M14: 12,119,971 km (0.106 R)
• M15: 12,595,842 km (0.1 R)
• M16: 14,893,066 km (0.115 R)
• M17: 17,038,898 km (0.097 R)
• M18: 17,878,741 km (0.071 R)
• M19: 21,723,406 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.7

Radius: 5.1

Gravity: 21.94 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 6.67 AU - 10.69 AU

Year: 17345 Days

Day: 23.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,422,180 km

• M1: 63,429 km (0.117 R)
• M2: 223,499 km (0.086 R)
• M3: 406,158 km (0.048 R)
• M4: 657,333 km (0.106 R)
• M5: 1,617,303 km (0.112 R)
• M6: 2,508,906 km (0.049 R)
• M7: 3,174,766 km (0.027 R)
• M8: 3,833,595 km (0.087 R)
• M9: 5,718,528 km (0.057 R)
• M10: 5,990,796 km (0.103 R)
• M11: 8,540,692 km (0.114 R)
• M12: 9,368,866 km (0.097 R)
• M13: 9,529,833 km (0.086 R)
• M14: 9,692,745 km (0.098 R)
• M15: 11,609,543 km (0.077 R)
• M16: 15,267,959 km (0.069 R)
• M17: 16,718,609 km (0.109 R)
• M18: 17,599,292 km (0.102 R)
• M19: 23,246,312 km (0.064 R)
• M20: 27,835,975 km (0.1 R)
• M21: 28,280,879 km (0.088 R)
• M22: 28,730,570 km (0.057 R)
• M23: 30,224,903 km (0.117 R)
• M24: 31,050,684 km (0.109 R)
• M25: 41,005,674 km (0.107 R)
• M26: 42,749,836 km (0.118 R)
• M27: 43,789,690 km (0.032 R)
• M28: 50,221,202 km (0.059 R)
• M29: 50,385,460 km (0.027 R)
• M30: 55,131,902 km (0.042 R)
• M31: 56,896,857 km (0.112 R)
• M32: 57,254,247 km (0.076 R)
• M33: 61,661,101 km (0.079 R)
• M34: 62,606,858 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.7

Radius: 6.4

Gravity: 16.64 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.62 AU - 10.62 AU

Year: 18680 Days

Day: 19.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,422,180 km

• M1: 118,182 km (0.043 R)
• M2: 334,202 km (0.057 R)
• M3: 553,662 km (0.073 R)
• M4: 996,771 km (0.029 R)
• M5: 1,490,892 km (0.083 R)
• M6: 1,960,031 km (0.119 R)
• M7: 2,433,359 km (0.093 R)
• M8: 3,188,379 km (0.116 R)
• M9: 5,076,903 km (0.119 R)
• M10: 5,804,248 km (0.057 R)
• M11: 6,469,061 km (0.099 R)
• M12: 7,183,241 km (0.114 R)
• M13: 7,899,516 km (0.055 R)
• M14: 8,609,956 km (0.111 R)
• M15: 11,244,973 km (0.114 R)
• M16: 13,720,518 km (0.119 R)
• M17: 14,153,604 km (0.05 R)
• M18: 14,820,063 km (0.069 R)
• M19: 16,056,489 km (0.086 R)
• M20: 18,123,632 km (0.114 R)
• M21: 18,909,171 km (0.112 R)
• M22: 19,991,811 km (0.117 R)
• M23: 21,595,350 km (0.112 R)
• M24: 23,692,264 km (0.042 R)
• M25: 37,903,612 km (0.106 R)
• M26: 42,443,758 km (0.1 R)
• M27: 45,239,593 km (0.079 R)
• M28: 46,520,599 km (0.098 R)
• M29: 54,001,391 km (0.11 R)
• M30: 57,651,878 km (0.095 R)
• M31: 61,074,827 km (0.074 R)
• M32: 61,658,258 km (0.077 R)
• M33: 63,033,811 km (0.058 R)
• M34: 66,459,752 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.4

Radius: 7.7

Gravity: 14.51 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 8.01 AU - 10.69 AU

Year: 19391 Days

Day: 18.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,422,180 km

• M1: 96,191 km (0.072 R)
• M2: 700,567 km (0.075 R)
• M3: 1,022,950 km (0.107 R)
• M4: 3,088,747 km (0.103 R)
• M5: 3,938,014 km (0.088 R)
• M6: 5,920,336 km (0.04 R)
• M7: 6,526,955 km (0.061 R)
• M8: 9,779,362 km (0.103 R)
• M9: 11,260,531 km (0.085 R)
• M10: 14,430,360 km (0.094 R)
• M11: 16,342,670 km (0.11 R)
• M12: 22,257,321 km (0.063 R)
• M13: 23,399,800 km (0.109 R)
• M14: 24,471,968 km (0.066 R)
• M15: 25,801,294 km (0.076 R)
• M16: 30,833,168 km (0.08 R)
• M17: 33,043,477 km (0.079 R)
• M18: 34,119,235 km (0.055 R)
• M19: 36,910,432 km (0.107 R)
• M20: 40,915,167 km (0.054 R)
• M21: 44,223,375 km (0.072 R)
• M22: 45,036,439 km (0.119 R)
• M23: 66,388,693 km (0.116 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: 439 - 11,542 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit