🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.3

Radius: 10.8

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.66 AU - 0.78 AU

Year: 407 Days

Day: 6.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,501,632 km

• M1: 142,866 km (0.062 R)
• M2: 510,578 km (0.067 R)
• M3: 1,035,965 km (0.106 R)
• M4: 1,422,676 km (0.113 R)
• M5: 1,968,708 km (0.085 R)
• M6: 3,004,823 km (0.07 R)
• M7: 3,402,304 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.9

Radius: 14.2

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.36 AU - 1.54 AU

Year: 1164 Days

Day: 12.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,501,632 km

• M1: 176,825 km (0.084 R)
• M2: 762,650 km (0.075 R)
• M3: 1,460,225 km (0.072 R)
• M4: 1,941,631 km (0.071 R)
• M5: 2,671,668 km (0.083 R)
• M6: 3,223,834 km (0.028 R)
• M7: 3,836,437 km (0.098 R)
• M8: 4,474,173 km (0.114 R)
• M9: 5,030,976 km (0.117 R)
• M10: 5,797,217 km (0.109 R)
• M11: 6,241,373 km (0.104 R)
• M12: 6,915,461 km (0.094 R)
• M13: 8,225,190 km (0.076 R)
• M14: 9,120,683 km (0.061 R)
• M15: 9,577,854 km (0.071 R)
• M16: 10,080,204 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.4

Radius: 11.7

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.9 AU - 2.34 AU

Year: 2058 Days

Day: 9.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,501,632 km

• M1: 145,559 km (0.088 R)
• M2: 565,480 km (0.034 R)
• M3: 1,051,673 km (0.042 R)
• M4: 1,446,611 km (0.073 R)
• M5: 2,029,894 km (0.119 R)
• M6: 3,082,763 km (0.113 R)
• M7: 3,722,743 km (0.11 R)
• M8: 4,705,302 km (0.103 R)
• M9: 5,946,815 km (0.073 R)
• M10: 6,530,695 km (0.037 R)
• M11: 7,395,520 km (0.059 R)
• M12: 9,067,127 km (0.108 R)
• M13: 9,513,677 km (0.117 R)
• M14: 10,906,582 km (0.092 R)
• M15: 11,448,725 km (0.078 R)
• M16: 11,933,123 km (0.079 R)
• M17: 13,183,761 km (0.08 R)
• M18: 13,924,719 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.7

Radius: 9.5

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.13 AU - 6.67 AU

Year: 8368 Days

Day: 6.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,501,632 km

• M1: 118,182 km (0.059 R)
• M2: 597,344 km (0.101 R)
• M3: 1,304,942 km (0.106 R)
• M4: 1,742,965 km (0.072 R)
• M5: 2,155,257 km (0.066 R)
• M6: 3,407,690 km (0.063 R)
• M7: 4,030,615 km (0.077 R)
• M8: 5,973,293 km (0.093 R)
• M9: 7,957,260 km (0.091 R)
• M10: 8,471,129 km (0.056 R)
• M11: 8,871,004 km (0.067 R)
• M12: 9,852,965 km (0.057 R)
• M13: 10,195,992 km (0.083 R)
• M14: 11,757,196 km (0.083 R)
• M15: 13,652,152 km (0.101 R)
• M16: 15,412,620 km (0.06 R)
• M17: 19,378,609 km (0.083 R)
• M18: 19,762,776 km (0.103 R)
• M19: 23,366,140 km (0.118 R)
• M20: 26,152,999 km (0.106 R)
• M21: 31,949,019 km (0.098 R)
• M22: 37,113,586 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.9

Radius: 9.4

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.42 AU - 5.82 AU

Year: 8885 Days

Day: 12.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,501,632 km

• M1: 116,986 km (0.084 R)
• M2: 798,553 km (0.081 R)
• M3: 1,120,039 km (0.045 R)
• M4: 1,695,393 km (0.116 R)
• M5: 2,362,450 km (0.117 R)
• M6: 2,898,160 km (0.111 R)
• M7: 3,331,545 km (0.111 R)
• M8: 5,541,853 km (0.042 R)
• M9: 7,066,555 km (0.096 R)
• M10: 8,069,459 km (0.055 R)
• M11: 9,892,159 km (0.08 R)
• M12: 10,921,841 km (0.107 R)
• M13: 14,654,458 km (0.104 R)
• M14: 14,981,180 km (0.085 R)
• M15: 17,164,411 km (0.103 R)
• M16: 18,711,402 km (0.091 R)
• M17: 19,881,258 km (0.042 R)
• M18: 20,961,504 km (0.059 R)
• M19: 22,009,437 km (0.11 R)
• M20: 26,471,493 km (0.113 R)
• M21: 27,778,081 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 576.1

Radius: 4

Gravity: 36.01 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.45 AU - 7.35 AU

Year: 10797 Days

Day: 18.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 43,501,632 km

• M1: 52,359 km (0.098 R)
• M2: 191,784 km (0.109 R)
• M3: 477,816 km (0.082 R)
• M4: 690,993 km (0.044 R)
• M5: 1,049,878 km (0.117 R)
• M6: 1,334,114 km (0.037 R)
• M7: 1,550,732 km (0.092 R)
• M8: 2,003,115 km (0.104 R)
• M9: 2,269,101 km (0.067 R)
• M10: 2,639,355 km (0.05 R)
• M11: 3,186,285 km (0.077 R)
• M12: 3,599,175 km (0.097 R)
• M13: 4,560,042 km (0.111 R)
• M14: 4,710,089 km (0.07 R)
• M15: 5,147,663 km (0.105 R)
• M16: 5,854,213 km (0.095 R)
• M17: 6,103,444 km (0.043 R)
• M18: 7,374,726 km (0.054 R)
• M19: 7,920,758 km (0.094 R)
• M20: 8,998,761 km (0.058 R)
• M21: 9,670,904 km (0.108 R)
• M22: 10,273,185 km (0.04 R)
• M23: 12,873,495 km (0.088 R)
• M24: 13,478,170 km (0.064 R)
• M25: 17,219,164 km (0.032 R)
• M26: 17,656,887 km (0.111 R)
• M27: 17,804,391 km (0.071 R)
• M28: 18,554,474 km (0.054 R)
• M29: 19,014,488 km (0.116 R)
• M30: 23,770,802 km (0.056 R)
• M31: 25,423,111 km (0.052 R)
• M32: 27,942,489 km (0.108 R)
• M33: 29,990,184 km (0.112 R)
• M34: 32,687,584 km (0.068 R)
• M35: 34,381,181 km (0.089 R)
• M36: 34,958,479 km (0.096 R)
• M37: 37,453,921 km (0.076 R)
• M38: 38,807,184 km (0.054 R)
• M39: 42,134,839 km (0.1 R)
• M40: 43,867,780 km (0.095 R)
• M41: 44,274,387 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.1

Radius: 7

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.94 AU - 7.32 AU

Year: 11384 Days

Day: 22.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 83 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 43,501,632 km

• M1: 87,066 km (0.105 R)
• M2: 399,127 km (0.085 R)
• M3: 694,733 km (0.095 R)
• M4: 1,124,078 km (0.098 R)
• M5: 1,470,098 km (0.118 R)
• M6: 2,012,989 km (0.043 R)
• M7: 4,230,777 km (0.038 R)
• M8: 4,508,730 km (0.038 R)
• M9: 4,769,330 km (0.088 R)
• M10: 5,070,620 km (0.118 R)
• M11: 5,645,225 km (0.104 R)
• M12: 6,017,126 km (0.064 R)
• M13: 6,333,375 km (0.094 R)
• M14: 6,961,387 km (0.091 R)
• M15: 8,868,162 km (0.075 R)
• M16: 10,136,453 km (0.093 R)
• M17: 10,839,712 km (0.081 R)
• M18: 13,086,223 km (0.071 R)
• M19: 13,617,894 km (0.099 R)
• M20: 14,041,256 km (0.06 R)
• M21: 15,956,258 km (0.116 R)
• M22: 18,920,241 km (0.083 R)
• M23: 20,848,408 km (0.102 R)
• M24: 21,655,189 km (0.079 R)
• M25: 22,482,466 km (0.096 R)
• M26: 24,910,888 km (0.063 R)
• M27: 27,317,618 km (0.072 R)
• M28: 31,630,974 km (0.054 R)
• M29: 38,497,516 km (0.091 R)
• M30: 43,241,713 km (0.05 R)
• M31: 43,501,565 km (0.098 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 18,121 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit