🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.6

Radius: 12.5

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.5 AU - 0.58 AU

Year: 279 Days

Day: 5.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,074,447 km

• M1: 155,432 km (0.097 R)
• M2: 547,977 km (0.085 R)
• M3: 965,953 km (0.104 R)
• M4: 2,035,728 km (0.117 R)
• M5: 2,621,254 km (0.098 R)
• M6: 3,148,138 km (0.046 R)
• M7: 3,651,983 km (0.1 R)
• M8: 4,121,122 km (0.058 R)
• M9: 4,643,967 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832

Radius: 12.8

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.54 AU - 0.6 AU

Year: 302 Days

Day: 11 Hours

Environment

Temp: -151 °C

Axial Tilt: 83.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,074,447 km

• M1: 160,070 km (0.099 R)
• M2: 745,596 km (0.056 R)
• M3: 1,197,232 km (0.118 R)
• M4: 1,650,364 km (0.105 R)
• M5: 2,106,637 km (0.057 R)
• M6: 2,537,629 km (0.069 R)
• M7: 2,957,101 km (0.087 R)
• M8: 3,674,423 km (0.045 R)
• M9: 4,214,920 km (0.114 R)
• M10: 4,893,346 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.3

Radius: 11.7

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.27 AU - 1.67 AU

Year: 1253 Days

Day: 10.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,074,447 km

• M1: 145,559 km (0.107 R)
• M2: 698,472 km (0.102 R)
• M3: 1,791,734 km (0.09 R)
• M4: 2,472,853 km (0.089 R)
• M5: 3,173,569 km (0.12 R)
• M6: 5,009,733 km (0.119 R)
• M7: 5,647,918 km (0.106 R)
• M8: 6,386,184 km (0.065 R)
• M9: 9,318,152 km (0.06 R)
• M10: 10,156,349 km (0.06 R)
• M11: 10,808,895 km (0.111 R)
• M12: 11,385,595 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.5

Radius: 12.9

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.31 AU - 1.75 AU

Year: 1330 Days

Day: 12.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,074,447 km

• M1: 160,668 km (0.107 R)
• M2: 637,885 km (0.1 R)
• M3: 1,084,285 km (0.11 R)
• M4: 2,034,531 km (0.109 R)
• M5: 2,578,319 km (0.049 R)
• M6: 3,707,634 km (0.056 R)
• M7: 4,375,588 km (0.083 R)
• M8: 4,857,742 km (0.119 R)
• M9: 5,396,893 km (0.087 R)
• M10: 6,870,731 km (0.112 R)
• M11: 7,881,115 km (0.107 R)
• M12: 9,610,915 km (0.09 R)
• M13: 10,031,136 km (0.104 R)
• M14: 11,047,952 km (0.104 R)
• M15: 11,983,687 km (0.118 R)
• M16: 12,433,079 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.4

Radius: 13.4

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.95 AU - 3.39 AU

Year: 3967 Days

Day: 10 Hours

Environment

Temp: -224 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,074,447 km

• M1: 166,652 km (0.034 R)
• M2: 631,901 km (0.095 R)
• M3: 1,247,497 km (0.069 R)
• M4: 2,281,368 km (0.102 R)
• M5: 3,191,521 km (0.118 R)
• M6: 3,909,890 km (0.037 R)
• M7: 5,058,951 km (0.069 R)
• M8: 5,561,002 km (0.098 R)
• M9: 6,009,496 km (0.078 R)
• M10: 6,634,965 km (0.089 R)
• M11: 7,369,640 km (0.081 R)
• M12: 8,016,800 km (0.074 R)
• M13: 8,627,758 km (0.08 R)
• M14: 10,480,228 km (0.033 R)
• M15: 10,992,900 km (0.081 R)
• M16: 12,680,215 km (0.061 R)
• M17: 14,429,762 km (0.12 R)
• M18: 15,774,497 km (0.05 R)
• M19: 17,378,037 km (0.11 R)
• M20: 17,855,553 km (0.046 R)
• M21: 18,774,533 km (0.081 R)
• M22: 19,724,778 km (0.1 R)
• M23: 22,486,206 km (0.058 R)
• M24: 24,663,303 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.6

Radius: 7.1

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.93 AU - 6.75 AU

Year: 9920 Days

Day: 17.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,074,447 km

• M1: 88,263 km (0.111 R)
• M2: 512,223 km (0.116 R)
• M3: 943,215 km (0.082 R)
• M4: 1,244,953 km (0.057 R)
• M5: 1,637,199 km (0.095 R)
• M6: 2,902,947 km (0.056 R)
• M7: 3,389,888 km (0.09 R)
• M8: 3,832,249 km (0.119 R)
• M9: 4,418,224 km (0.055 R)
• M10: 5,735,882 km (0.087 R)
• M11: 5,962,223 km (0.12 R)
• M12: 6,712,606 km (0.109 R)
• M13: 9,930,307 km (0.026 R)
• M14: 11,031,646 km (0.091 R)
• M15: 11,484,180 km (0.1 R)
• M16: 11,792,651 km (0.051 R)
• M17: 12,805,877 km (0.1 R)
• M18: 13,193,485 km (0.118 R)
• M19: 13,475,178 km (0.053 R)
• M20: 14,108,874 km (0.119 R)
• M21: 16,646,802 km (0.105 R)
• M22: 17,443,561 km (0.08 R)
• M23: 21,500,954 km (0.079 R)
• M24: 22,365,779 km (0.091 R)
• M25: 23,171,813 km (0.086 R)
• M26: 23,664,738 km (0.096 R)
• M27: 24,164,544 km (0.038 R)
• M28: 25,185,250 km (0.097 R)
• M29: 26,145,968 km (0.076 R)
• M30: 32,839,276 km (0.112 R)
• M31: 34,621,435 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.3

Radius: 3.2

Gravity: 53.45 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.88 AU - 9.3 AU

Year: 17697 Days

Day: 17.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 65,074,447 km

• M1: 92,152 km (0.065 R)
• M2: 337,343 km (0.072 R)
• M3: 492,925 km (0.087 R)
• M4: 608,265 km (0.057 R)
• M5: 1,156,691 km (0.118 R)
• M6: 1,362,986 km (0.103 R)
• M7: 1,498,223 km (0.047 R)
• M8: 1,625,979 km (0.101 R)
• M9: 1,778,270 km (0.081 R)
• M10: 2,293,036 km (0.092 R)
• M11: 6,791,893 km (0.09 R)
• M12: 7,367,845 km (0.088 R)
• M13: 8,120,472 km (0.12 R)
• M14: 8,316,295 km (0.067 R)
• M15: 9,396,841 km (0.045 R)
• M16: 10,054,473 km (0.112 R)
• M17: 10,567,444 km (0.061 R)
• M18: 14,087,332 km (0.084 R)
• M19: 16,691,831 km (0.115 R)
• M20: 18,483,266 km (0.071 R)
• M21: 20,760,594 km (0.107 R)
• M22: 21,872,106 km (0.088 R)
• M23: 22,828,037 km (0.071 R)
• M24: 23,022,664 km (0.094 R)
• M25: 23,316,474 km (0.104 R)
• M26: 25,652,594 km (0.072 R)
• M27: 25,968,395 km (0.103 R)
• M28: 26,715,188 km (0.11 R)
• M29: 27,257,330 km (0.085 R)
• M30: 28,140,107 km (0.09 R)
• M31: 31,020,914 km (0.08 R)
• M32: 32,964,340 km (0.119 R)
• M33: 34,346,474 km (0.097 R)
• M34: 34,730,043 km (0.063 R)
• M35: 35,245,857 km (0.112 R)
• M36: 40,545,660 km (0.091 R)
• M37: 43,607,929 km (0.064 R)
• M38: 48,404,635 km (0.106 R)
• M39: 51,678,734 km (0.033 R)
• M40: 53,541,078 km (0.043 R)
• M41: 55,798,809 km (0.096 R)
• M42: 63,142,868 km (0.088 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: 538 - 18,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit