🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.9

Radius: 8.1

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.52 AU - 0.66 AU

Year: 313 Days

Day: 10 Hours

Environment

Temp: -152 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,861,374 km

• M1: 101,727 km (0.06 R)
• M2: 359,932 km (0.105 R)
• M3: 661,671 km (0.06 R)
• M4: 1,102,985 km (0.104 R)
• M5: 1,577,360 km (0.113 R)
• M6: 2,082,552 km (0.094 R)
• M7: 2,423,186 km (0.104 R)
• M8: 2,837,872 km (0.053 R)
• M9: 3,258,092 km (0.089 R)
• M10: 3,553,548 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.5

Radius: 12.8

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.9 AU - 0.9 AU

Year: 589 Days

Day: 12.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,861,374 km

• M1: 159,471 km (0.054 R)
• M2: 667,805 km (0.074 R)
• M3: 1,117,346 km (0.045 R)
• M4: 1,740,122 km (0.112 R)
• M5: 2,415,557 km (0.063 R)
• M6: 4,035,552 km (0.091 R)
• M7: 4,673,737 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858

Radius: 12.6

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.88 AU - 1.2 AU

Year: 732 Days

Day: 11.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,861,374 km

• M1: 156,779 km (0.081 R)
• M2: 725,400 km (0.056 R)
• M3: 1,133,204 km (0.118 R)
• M4: 1,819,559 km (0.062 R)
• M5: 2,769,805 km (0.03 R)
• M6: 3,230,566 km (0.082 R)
• M7: 3,656,022 km (0.099 R)
• M8: 4,103,619 km (0.118 R)
• M9: 4,791,919 km (0.048 R)
• M10: 5,292,623 km (0.055 R)
• M11: 6,294,779 km (0.106 R)
• M12: 7,513,254 km (0.119 R)
• M13: 7,968,929 km (0.117 R)
• M14: 8,417,723 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.7

Radius: 12.9

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.81 AU - 1.87 AU

Year: 1723 Days

Day: 13.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,861,374 km

• M1: 160,369 km (0.089 R)
• M2: 645,664 km (0.043 R)
• M3: 1,373,159 km (0.089 R)
• M4: 1,996,832 km (0.12 R)
• M5: 2,481,829 km (0.081 R)
• M6: 2,923,292 km (0.027 R)
• M7: 3,450,924 km (0.092 R)
• M8: 3,874,286 km (0.111 R)
• M9: 4,912,944 km (0.043 R)
• M10: 5,979,128 km (0.049 R)
• M11: 6,754,045 km (0.114 R)
• M12: 8,630,750 km (0.092 R)
• M13: 9,050,970 km (0.08 R)
• M14: 10,796,478 km (0.083 R)
• M15: 11,867,001 km (0.091 R)
• M16: 12,387,601 km (0.113 R)
• M17: 13,133,496 km (0.103 R)
• M18: 14,898,153 km (0.08 R)
• M19: 15,789,756 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107

Radius: 12

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.54 AU - 2.54 AU

Year: 2011 Days

Day: 5.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,861,374 km

• M1: 154,235 km (0.058 R)
• M2: 583,432 km (0.058 R)
• M3: 959,072 km (0.07 R)
• M4: 1,567,337 km (0.055 R)
• M5: 2,998,839 km (0.113 R)
• M6: 3,387,494 km (0.086 R)
• M7: 4,236,013 km (0.086 R)
• M8: 5,405,719 km (0.034 R)
• M9: 6,437,047 km (0.043 R)
• M10: 7,978,204 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.8

Radius: 9.1

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.06 AU - 2.62 AU

Year: 2471 Days

Day: 10.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,861,374 km

• M1: 113,246 km (0.072 R)
• M2: 421,866 km (0.086 R)
• M3: 717,471 km (0.089 R)
• M4: 1,490,743 km (0.086 R)
• M5: 1,863,690 km (0.101 R)
• M6: 2,377,260 km (0.1 R)
• M7: 3,372,834 km (0.06 R)
• M8: 3,741,742 km (0.074 R)
• M9: 4,730,135 km (0.077 R)
• M10: 6,186,321 km (0.098 R)
• M11: 6,878,211 km (0.119 R)
• M12: 7,444,888 km (0.119 R)
• M13: 8,510,922 km (0.096 R)
• M14: 9,265,045 km (0.118 R)
• M15: 10,027,396 km (0.055 R)
• M16: 11,095,225 km (0.095 R)
• M17: 11,402,798 km (0.101 R)
• M18: 11,795,194 km (0.09 R)
• M19: 12,732,125 km (0.049 R)
• M20: 13,026,833 km (0.076 R)
• M21: 16,034,648 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.4

Radius: 8

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.69 AU - 6.03 AU

Year: 9792 Days

Day: 24.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,861,374 km

• M1: 99,483 km (0.062 R)
• M2: 441,314 km (0.096 R)
• M3: 984,803 km (0.056 R)
• M4: 1,482,216 km (0.089 R)
• M5: 1,980,975 km (0.12 R)
• M6: 2,568,745 km (0.083 R)
• M7: 3,056,135 km (0.087 R)
• M8: 3,399,462 km (0.051 R)
• M9: 4,163,758 km (0.106 R)
• M10: 4,780,400 km (0.076 R)
• M11: 5,274,372 km (0.038 R)
• M12: 6,998,039 km (0.091 R)
• M13: 7,673,623 km (0.086 R)
• M14: 8,433,281 km (0.114 R)
• M15: 8,725,445 km (0.099 R)
• M16: 10,054,772 km (0.116 R)
• M17: 11,362,257 km (0.081 R)
• M18: 11,822,271 km (0.053 R)
• M19: 17,396,138 km (0.116 R)
• M20: 19,272,544 km (0.116 R)
• M21: 21,280,148 km (0.073 R)
• M22: 23,341,307 km (0.112 R)
• M23: 24,336,133 km (0.094 R)
• M24: 29,164,404 km (0.101 R)
• M25: 30,513,029 km (0.119 R)
• M26: 35,669,518 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.7

Radius: 4.4

Gravity: 47.71 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.41 AU - 10.29 AU

Year: 18173 Days

Day: 17.3 Hours

Environment

Temp: -244 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 78,861,374 km

• M1: 55,052 km (0.096 R)
• M2: 639,082 km (0.09 R)
• M3: 794,963 km (0.103 R)
• M4: 1,271,283 km (0.077 R)
• M5: 1,554,771 km (0.073 R)
• M6: 1,693,597 km (0.088 R)
• M7: 1,996,683 km (0.094 R)
• M8: 2,661,346 km (0.095 R)
• M9: 3,044,167 km (0.033 R)
• M10: 3,404,698 km (0.102 R)
• M11: 3,918,417 km (0.096 R)
• M12: 5,060,597 km (0.086 R)
• M13: 6,906,036 km (0.05 R)
• M14: 7,725,384 km (0.069 R)
• M15: 8,029,516 km (0.079 R)
• M16: 8,447,343 km (0.107 R)
• M17: 15,036,531 km (0.079 R)
• M18: 16,157,767 km (0.089 R)
• M19: 17,247,737 km (0.052 R)
• M20: 18,745,810 km (0.061 R)
• M21: 19,666,435 km (0.045 R)
• M22: 20,232,962 km (0.026 R)
• M23: 21,201,459 km (0.108 R)
• M24: 22,505,952 km (0.104 R)
• M25: 33,434,376 km (0.102 R)
• M26: 34,922,725 km (0.102 R)
• M27: 35,060,206 km (0.043 R)
• M28: 38,322,187 km (0.034 R)
• M29: 38,468,494 km (0.084 R)
• M30: 43,031,080 km (0.075 R)
• M31: 57,122,601 km (0.057 R)
• M32: 57,888,691 km (0.108 R)
• M33: 60,030,334 km (0.113 R)
• M34: 61,021,121 km (0.067 R)
• M35: 63,239,209 km (0.108 R)
• M36: 69,126,184 km (0.1 R)
• M37: 69,342,951 km (0.108 R)
• M38: 70,433,520 km (0.104 R)
• M39: 76,058,250 km (0.155 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 11,492 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit