🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421

Radius: 8.6

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.5 AU - 0.76 AU

Year: 339 Days

Day: 10.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,191,806 km

• M1: 106,962 km (0.066 R)
• M2: 398,080 km (0.048 R)
• M3: 740,809 km (0.049 R)
• M4: 1,336,807 km (0.094 R)
• M5: 1,686,866 km (0.108 R)
• M6: 2,014,934 km (0.071 R)
• M7: 2,344,049 km (0.08 R)
• M8: 2,857,768 km (0.116 R)
• M9: 3,848,106 km (0.049 R)
• M10: 4,183,205 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.8

Radius: 8

Gravity: 12.43 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.54 AU - 1.72 AU

Year: 1411 Days

Day: 7.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,191,806 km

• M1: 99,782 km (0.117 R)
• M2: 600,187 km (0.064 R)
• M3: 1,177,634 km (0.098 R)
• M4: 1,734,288 km (0.119 R)
• M5: 2,006,257 km (0.104 R)
• M6: 2,294,682 km (0.103 R)
• M7: 2,745,271 km (0.113 R)
• M8: 3,300,129 km (0.073 R)
• M9: 3,772,260 km (0.104 R)
• M10: 5,396,444 km (0.034 R)
• M11: 6,005,457 km (0.066 R)
• M12: 6,584,251 km (0.094 R)
• M13: 7,714,014 km (0.081 R)
• M14: 9,372,157 km (0.082 R)
• M15: 9,886,624 km (0.08 R)
• M16: 10,555,925 km (0.029 R)
• M17: 11,255,145 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.9

Radius: 9.7

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.84 AU - 2.96 AU

Year: 2522 Days

Day: 11.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,191,806 km

• M1: 120,725 km (0.092 R)
• M2: 423,212 km (0.088 R)
• M3: 783,743 km (0.112 R)
• M4: 1,199,326 km (0.075 R)
• M5: 1,533,827 km (0.101 R)
• M6: 1,898,247 km (0.068 R)
• M7: 3,025,916 km (0.08 R)
• M8: 3,605,309 km (0.107 R)
• M9: 4,068,613 km (0.113 R)
• M10: 4,412,240 km (0.05 R)
• M11: 4,921,920 km (0.112 R)
• M12: 5,246,248 km (0.063 R)
• M13: 5,677,538 km (0.094 R)
• M14: 6,926,830 km (0.077 R)
• M15: 7,390,733 km (0.076 R)
• M16: 8,199,908 km (0.097 R)
• M17: 9,824,092 km (0.111 R)
• M18: 12,388,349 km (0.117 R)
• M19: 13,278,756 km (0.109 R)
• M20: 14,516,977 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.5

Radius: 8.3

Gravity: 14.41 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.71 AU - 3.01 AU

Year: 3281 Days

Day: 11.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,191,806 km

• M1: 103,223 km (0.087 R)
• M2: 490,382 km (0.047 R)
• M3: 985,252 km (0.096 R)
• M4: 1,651,112 km (0.032 R)
• M5: 1,939,836 km (0.112 R)
• M6: 2,398,203 km (0.073 R)
• M7: 3,219,795 km (0.11 R)
• M8: 3,531,856 km (0.027 R)
• M9: 4,104,666 km (0.097 R)
• M10: 5,434,442 km (0.119 R)
• M11: 6,839,315 km (0.111 R)
• M12: 7,160,053 km (0.112 R)
• M13: 8,326,318 km (0.076 R)
• M14: 9,417,186 km (0.079 R)
• M15: 10,058,362 km (0.088 R)
• M16: 11,338,621 km (0.118 R)
• M17: 12,018,095 km (0.08 R)
• M18: 12,438,614 km (0.04 R)
• M19: 14,167,816 km (0.091 R)
• M20: 16,163,900 km (0.109 R)
• M21: 17,794,068 km (0.078 R)
• M22: 19,149,575 km (0.106 R)
• M23: 21,309,917 km (0.077 R)
• M24: 25,568,670 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.5

Radius: 12.2

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.97 AU - 4.95 AU

Year: 6388 Days

Day: 12.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 68,191,806 km

• M1: 151,692 km (0.067 R)
• M2: 585,077 km (0.088 R)
• M3: 1,905,727 km (0.066 R)
• M4: 3,216,803 km (0.095 R)
• M5: 3,928,590 km (0.061 R)
• M6: 5,028,583 km (0.119 R)
• M7: 5,666,618 km (0.036 R)
• M8: 6,054,974 km (0.035 R)
• M9: 6,530,545 km (0.074 R)
• M10: 7,141,802 km (0.049 R)
• M11: 7,909,239 km (0.051 R)
• M12: 8,688,495 km (0.086 R)
• M13: 9,339,395 km (0.103 R)
• M14: 12,706,095 km (0.103 R)
• M15: 13,659,931 km (0.08 R)
• M16: 14,721,178 km (0.076 R)
• M17: 16,808,667 km (0.077 R)
• M18: 17,819,949 km (0.073 R)
• M19: 19,086,444 km (0.102 R)
• M20: 20,714,967 km (0.106 R)
• M21: 21,407,156 km (0.103 R)
• M22: 25,624,918 km (0.093 R)
• M23: 27,236,985 km (0.098 R)
• M24: 29,877,687 km (0.092 R)
• M25: 31,662,838 km (0.116 R)
• M26: 32,995,606 km (0.119 R)
• M27: 33,834,102 km (0.113 R)
• M28: 34,902,081 km (0.099 R)
• M29: 35,335,615 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.9

Radius: 12.5

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.12 AU - 5.14 AU

Year: 6757 Days

Day: 8.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,191,806 km

• M1: 155,432 km (0.077 R)
• M2: 660,175 km (0.118 R)
• M3: 2,074,324 km (0.116 R)
• M4: 2,505,316 km (0.075 R)
• M5: 3,289,508 km (0.077 R)
• M6: 4,025,828 km (0.066 R)
• M7: 6,339,060 km (0.043 R)
• M8: 7,424,842 km (0.113 R)
• M9: 11,354,030 km (0.083 R)
• M10: 11,960,649 km (0.032 R)
• M11: 12,870,354 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946.5

Radius: 6.6

Gravity: 21.73 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 7.29 AU - 8.07 AU

Year: 14436 Days

Day: 16.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,191,806 km

• M1: 82,129 km (0.112 R)
• M2: 393,592 km (0.111 R)
• M3: 660,325 km (0.108 R)
• M4: 1,023,698 km (0.072 R)
• M5: 1,848,431 km (0.079 R)
• M6: 2,485,569 km (0.059 R)
• M7: 2,903,246 km (0.11 R)
• M8: 3,339,922 km (0.107 R)
• M9: 3,999,200 km (0.069 R)
• M10: 4,640,227 km (0.109 R)
• M11: 6,455,597 km (0.075 R)
• M12: 7,381,458 km (0.088 R)
• M13: 8,046,121 km (0.042 R)
• M14: 9,658,787 km (0.106 R)
• M15: 10,986,617 km (0.09 R)
• M16: 12,043,227 km (0.119 R)
• M17: 12,962,955 km (0.108 R)
• M18: 14,429,014 km (0.108 R)
• M19: 14,647,128 km (0.113 R)
• M20: 14,941,387 km (0.115 R)
• M21: 17,031,718 km (0.109 R)
• M22: 18,188,857 km (0.076 R)
• M23: 25,082,477 km (0.116 R)
• M24: 27,793,788 km (0.085 R)
• M25: 29,278,098 km (0.101 R)
• M26: 29,628,008 km (0.118 R)
• M27: 29,980,610 km (0.099 R)
• M28: 36,412,571 km (0.092 R)
• M29: 37,498,352 km (0.057 R)
• M30: 39,592,124 km (0.084 R)
• M31: 46,496,963 km (0.076 R)
• M32: 49,899,716 km (0.111 R)
• M33: 59,591,115 km (0.065 R)
• M34: 60,153,154 km (0.095 R)
• M35: 65,371,128 km (0.043 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 17,552 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit