🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.9

Radius: 14.6

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.12 AU - 1.66 AU

Year: 1058 Days

Day: 14.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 108.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,696,396 km

• M1: 181,612 km (0.118 R)
• M2: 679,324 km (0.11 R)
• M3: 1,598,752 km (0.12 R)
• M4: 2,228,709 km (0.048 R)
• M5: 3,901,363 km (0.049 R)
• M6: 4,436,774 km (0.09 R)
• M7: 5,493,234 km (0.109 R)
• M8: 6,059,611 km (0.104 R)
• M9: 7,163,344 km (0.053 R)
• M10: 8,235,662 km (0.101 R)
• M11: 10,072,425 km (0.093 R)
• M12: 10,730,954 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829

Radius: 8.6

Gravity: 11.21 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.03 AU - 2.83 AU

Year: 2446 Days

Day: 7.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,696,396 km

• M1: 107,112 km (0.082 R)
• M2: 801,695 km (0.071 R)
• M3: 1,285,644 km (0.062 R)
• M4: 1,600,248 km (0.074 R)
• M5: 2,332,081 km (0.084 R)
• M6: 3,540,682 km (0.095 R)
• M7: 4,934,935 km (0.069 R)
• M8: 5,315,811 km (0.081 R)
• M9: 5,793,626 km (0.068 R)
• M10: 6,922,492 km (0.1 R)
• M11: 8,126,306 km (0.105 R)
• M12: 8,968,093 km (0.052 R)
• M13: 9,978,477 km (0.097 R)
• M14: 10,863,648 km (0.053 R)
• M15: 11,143,246 km (0.096 R)
• M16: 11,633,628 km (0.068 R)
• M17: 13,327,525 km (0.094 R)
• M18: 14,162,281 km (0.091 R)
• M19: 15,328,845 km (0.066 R)
• M20: 15,833,439 km (0.098 R)
• M21: 16,611,048 km (0.073 R)
• M22: 18,808,791 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.2

Radius: 14.5

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.71 AU - 4.07 AU

Year: 4030 Days

Day: 6.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,696,396 km

• M1: 181,013 km (0.05 R)
• M2: 881,431 km (0.092 R)
• M3: 1,496,727 km (0.071 R)
• M4: 2,598,665 km (0.108 R)
• M5: 3,903,158 km (0.107 R)
• M6: 4,623,173 km (0.099 R)
• M7: 5,330,920 km (0.12 R)
• M8: 5,948,311 km (0.087 R)
• M9: 6,527,553 km (0.061 R)
• M10: 7,576,683 km (0.1 R)
• M11: 8,325,570 km (0.083 R)
• M12: 9,303,492 km (0.085 R)
• M13: 12,301,283 km (0.053 R)
• M14: 15,685,486 km (0.108 R)
• M15: 19,052,785 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223

Radius: 12

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.13 AU - 3.89 AU

Year: 4246 Days

Day: 14.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,696,396 km

• M1: 149,299 km (0.107 R)
• M2: 533,466 km (0.078 R)
• M3: 1,085,183 km (0.093 R)
• M4: 1,788,592 km (0.079 R)
• M5: 2,884,696 km (0.101 R)
• M6: 3,963,596 km (0.065 R)
• M7: 4,343,425 km (0.068 R)
• M8: 6,433,157 km (0.048 R)
• M9: 7,606,753 km (0.119 R)
• M10: 8,228,780 km (0.099 R)
• M11: 15,156,658 km (0.112 R)
• M12: 16,754,363 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.9

Radius: 13.2

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.35 AU - 4.83 AU

Year: 5341 Days

Day: 13.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,696,396 km

• M1: 166,802 km (0.093 R)
• M2: 873,951 km (0.095 R)
• M3: 1,422,676 km (0.118 R)
• M4: 2,050,388 km (0.105 R)
• M5: 3,082,015 km (0.097 R)
• M6: 3,546,816 km (0.112 R)
• M7: 4,526,383 km (0.085 R)
• M8: 5,544,695 km (0.049 R)
• M9: 6,470,856 km (0.115 R)
• M10: 7,080,766 km (0.114 R)
• M11: 8,738,460 km (0.106 R)
• M12: 9,873,459 km (0.05 R)
• M13: 10,766,708 km (0.059 R)
• M14: 13,870,415 km (0.091 R)
• M15: 15,466,325 km (0.109 R)
• M16: 16,006,374 km (0.119 R)
• M17: 17,585,678 km (0.116 R)
• M18: 19,143,142 km (0.12 R)
• M19: 20,146,196 km (0.083 R)
• M20: 23,295,979 km (0.116 R)

Asteroid Belt

Center: 6.66 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968

Radius: 4.7

Gravity: 43.82 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.49 AU - 10.97 AU

Year: 18106 Days

Day: 20.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,696,396 km

• M1: 58,493 km (0.118 R)
• M2: 238,010 km (0.077 R)
• M3: 632,500 km (0.089 R)
• M4: 955,930 km (0.083 R)
• M5: 1,527,544 km (0.095 R)
• M6: 3,511,361 km (0.099 R)
• M7: 4,405,358 km (0.117 R)
• M8: 6,016,527 km (0.068 R)
• M9: 6,813,884 km (0.045 R)
• M10: 7,142,102 km (0.107 R)
• M11: 7,932,128 km (0.09 R)
• M12: 10,964,776 km (0.091 R)
• M13: 12,285,426 km (0.113 R)
• M14: 15,961,943 km (0.111 R)
• M15: 17,478,267 km (0.051 R)
• M16: 20,119,118 km (0.089 R)
• M17: 26,402,977 km (0.032 R)
• M18: 39,575,518 km (0.057 R)
• M19: 45,878,825 km (0.1 R)
• M20: 50,845,324 km (0.081 R)
• M21: 59,438,525 km (0.088 R)
• M22: 61,829,398 km (0.032 R)
• M23: 62,031,355 km (0.043 R)
• M24: 69,385,138 km (0.093 R)
• M25: 71,588,266 km (0.114 R)
• M26: 73,383,889 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945

Radius: 4

Gravity: 59.06 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 8.72 AU - 9.84 AU

Year: 18253 Days

Day: 22.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 79,696,396 km

• M1: 49,816 km (0.04 R)
• M2: 340,634 km (0.086 R)
• M3: 578,944 km (0.082 R)
• M4: 746,045 km (0.076 R)
• M5: 1,006,195 km (0.118 R)
• M6: 1,617,452 km (0.051 R)
• M7: 1,742,516 km (0.111 R)
• M8: 2,032,736 km (0.116 R)
• M9: 2,354,222 km (0.116 R)
• M10: 3,017,389 km (0.114 R)
• M11: 3,435,366 km (0.071 R)
• M12: 3,734,860 km (0.094 R)
• M13: 4,283,585 km (0.098 R)
• M14: 4,995,671 km (0.12 R)
• M15: 5,301,599 km (0.099 R)
• M16: 5,459,125 km (0.094 R)
• M17: 6,834,379 km (0.106 R)
• M18: 8,748,334 km (0.093 R)
• M19: 8,968,542 km (0.056 R)
• M20: 9,709,949 km (0.109 R)
• M21: 11,640,809 km (0.094 R)
• M22: 12,109,798 km (0.032 R)
• M23: 13,013,968 km (0.091 R)
• M24: 13,156,983 km (0.1 R)
• M25: 15,270,502 km (0.058 R)
• M26: 15,670,227 km (0.029 R)
• M27: 17,426,058 km (0.096 R)
• M28: 18,039,259 km (0.1 R)
• M29: 21,421,817 km (0.05 R)
• M30: 22,947,865 km (0.061 R)
• M31: 25,761,950 km (0.073 R)
• M32: 27,958,196 km (0.103 R)
• M33: 31,803,909 km (0.068 R)
• M34: 35,847,390 km (0.096 R)
• M35: 40,981,888 km (0.115 R)
• M36: 44,286,505 km (0.109 R)
• M37: 45,590,699 km (0.1 R)
• M38: 46,418,723 km (0.075 R)
• M39: 51,241,459 km (0.042 R)
• M40: 55,070,267 km (0.066 R)
• M41: 57,149,827 km (0.068 R)
• M42: 60,069,080 km (0.063 R)
• M43: 60,864,043 km (0.11 R)
• M44: 70,736,456 km (0.12 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 18,626 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit