🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.1

Radius: 11.9

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.62 AU - 1 AU

Year: 464 Days

Day: 9.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,176,982 km

• M1: 147,952 km (0.086 R)
• M2: 567,874 km (0.06 R)
• M3: 1,323,492 km (0.069 R)
• M4: 1,898,247 km (0.079 R)
• M5: 2,473,750 km (0.108 R)
• M6: 3,331,993 km (0.118 R)
• M7: 3,736,955 km (0.101 R)
• M8: 4,228,683 km (0.118 R)
• M9: 5,108,618 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.2

Radius: 14.2

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.91 AU - 1.37 AU

Year: 774 Days

Day: 9.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,176,982 km

• M1: 176,675 km (0.086 R)
• M2: 863,180 km (0.113 R)
• M3: 1,311,674 km (0.09 R)
• M4: 1,939,237 km (0.028 R)
• M5: 2,602,554 km (0.099 R)
• M6: 3,178,656 km (0.052 R)
• M7: 3,649,141 km (0.058 R)
• M8: 4,669,099 km (0.055 R)
• M9: 5,760,715 km (0.11 R)
• M10: 6,289,244 km (0.112 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.9

Radius: 3.6

Gravity: 45.59 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.73 AU - 7.11 AU

Year: 10343 Days

Day: 17.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 41,176,982 km

• M1: 44,730 km (0.1 R)
• M2: 339,886 km (0.084 R)
• M3: 514,617 km (0.054 R)
• M4: 730,337 km (0.11 R)
• M5: 2,095,417 km (0.077 R)
• M6: 2,330,436 km (0.118 R)
• M7: 3,073,488 km (0.109 R)
• M8: 3,548,461 km (0.103 R)
• M9: 4,321,434 km (0.113 R)
• M10: 6,013,386 km (0.049 R)
• M11: 6,412,812 km (0.088 R)
• M12: 6,675,955 km (0.112 R)
• M13: 6,946,278 km (0.062 R)
• M14: 7,183,839 km (0.096 R)
• M15: 7,633,381 km (0.099 R)
• M16: 8,408,896 km (0.107 R)
• M17: 9,235,574 km (0.099 R)
• M18: 9,766,497 km (0.086 R)
• M19: 10,523,163 km (0.087 R)
• M20: 11,481,637 km (0.097 R)
• M21: 12,266,128 km (0.078 R)
• M22: 12,613,195 km (0.106 R)
• M23: 13,085,924 km (0.079 R)
• M24: 14,382,938 km (0.119 R)
• M25: 16,450,530 km (0.12 R)
• M26: 20,672,331 km (0.096 R)
• M27: 21,495,120 km (0.119 R)
• M28: 22,083,937 km (0.067 R)
• M29: 31,063,549 km (0.107 R)
• M30: 32,469,919 km (0.105 R)
• M31: 34,715,831 km (0.093 R)
• M32: 40,778,584 km (0.083 R)
• M33: 42,858,294 km (0.069 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424.5

Radius: 5.6

Gravity: 13.54 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.16 AU - 7.3 AU

Year: 12361 Days

Day: 15.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,176,982 km

• M1: 69,713 km (0.064 R)
• M2: 343,776 km (0.085 R)
• M3: 597,943 km (0.062 R)
• M4: 830,717 km (0.107 R)
• M5: 1,134,849 km (0.077 R)
• M6: 3,332,592 km (0.112 R)
• M7: 7,146,141 km (0.03 R)
• M8: 7,888,894 km (0.087 R)
• M9: 9,287,036 km (0.1 R)
• M10: 9,575,610 km (0.083 R)
• M11: 16,052,151 km (0.095 R)
• M12: 19,424,835 km (0.065 R)
• M13: 19,817,679 km (0.047 R)
• M14: 20,055,988 km (0.072 R)
• M15: 22,201,521 km (0.113 R)
• M16: 23,241,525 km (0.07 R)
• M17: 26,555,866 km (0.032 R)
• M18: 35,021,011 km (0.063 R)
• M19: 45,948,687 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 696.3

Radius: 4.9

Gravity: 29 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 7.7 AU - 9.38 AU

Year: 15868 Days

Day: 18.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 41,176,982 km

• M1: 60,886 km (0.075 R)
• M2: 442,959 km (0.074 R)
• M3: 847,622 km (0.088 R)
• M4: 1,000,810 km (0.084 R)
• M5: 1,336,059 km (0.067 R)
• M6: 1,658,592 km (0.094 R)
• M7: 2,247,858 km (0.036 R)
• M8: 3,142,752 km (0.082 R)
• M9: 4,284,782 km (0.079 R)
• M10: 4,810,918 km (0.082 R)
• M11: 5,755,928 km (0.062 R)
• M12: 6,150,268 km (0.094 R)
• M13: 6,689,718 km (0.114 R)
• M14: 8,298,343 km (0.05 R)
• M15: 8,801,591 km (0.078 R)
• M16: 8,956,425 km (0.112 R)
• M17: 9,594,011 km (0.116 R)
• M18: 10,261,516 km (0.111 R)
• M19: 10,723,325 km (0.101 R)
• M20: 10,900,150 km (0.079 R)
• M21: 11,626,447 km (0.107 R)
• M22: 16,675,525 km (0.066 R)
• M23: 19,151,519 km (0.076 R)
• M24: 19,411,820 km (0.069 R)
• M25: 26,283,897 km (0.04 R)
• M26: 26,497,972 km (0.057 R)
• M27: 28,364,654 km (0.09 R)
• M28: 31,386,531 km (0.054 R)
• M29: 31,627,383 km (0.112 R)
• M30: 32,235,200 km (0.098 R)
• M31: 33,599,831 km (0.059 R)
• M32: 35,522,014 km (0.112 R)
• M33: 38,334,305 km (0.044 R)
• M34: 40,716,950 km (0.118 R)
• M35: 43,794,328 km (0.113 R)
• M36: 49,586,907 km (0.101 R)
• M37: 57,474,455 km (0.097 R)
• M38: 57,654,571 km (0.067 R)
• M39: 58,561,134 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.5

Radius: 7.8

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 8.17 AU - 9.51 AU

Year: 16711 Days

Day: 17.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,176,982 km

• M1: 102,774 km (0.105 R)
• M2: 392,395 km (0.081 R)
• M3: 810,671 km (0.113 R)
• M4: 1,251,087 km (0.047 R)
• M5: 1,507,199 km (0.089 R)
• M6: 2,160,941 km (0.044 R)
• M7: 2,686,927 km (0.12 R)
• M8: 3,340,371 km (0.11 R)
• M9: 5,839,852 km (0.113 R)
• M10: 6,212,800 km (0.077 R)
• M11: 8,363,568 km (0.112 R)
• M12: 9,148,957 km (0.074 R)
• M13: 12,341,974 km (0.077 R)
• M14: 13,416,835 km (0.1 R)
• M15: 14,862,249 km (0.118 R)
• M16: 15,686,982 km (0.077 R)
• M17: 17,706,404 km (0.068 R)
• M18: 21,767,238 km (0.108 R)
• M19: 22,090,669 km (0.094 R)
• M20: 24,619,621 km (0.067 R)
• M21: 27,335,271 km (0.076 R)
• M22: 27,711,809 km (0.096 R)
• M23: 29,646,708 km (0.103 R)
• M24: 30,546,240 km (0.031 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 12,155 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit