🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89

Radius: 10.9

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.99 AU - 1.43 AU

Year: 888 Days

Day: 14.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,521,223 km

• M1: 135,685 km (0.1 R)
• M2: 554,859 km (0.059 R)
• M3: 973,433 km (0.108 R)
• M4: 1,491,491 km (0.053 R)
• M5: 1,999,824 km (0.04 R)
• M6: 2,603,153 km (0.03 R)
• M7: 3,090,692 km (0.067 R)
• M8: 3,467,828 km (0.057 R)
• M9: 3,827,462 km (0.118 R)
• M10: 4,173,781 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.2

Radius: 8.3

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.16 AU - 1.66 AU

Year: 1116 Days

Day: 12.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,521,223 km

• M1: 103,671 km (0.044 R)
• M2: 369,208 km (0.108 R)
• M3: 639,980 km (0.052 R)
• M4: 911,799 km (0.081 R)
• M5: 1,292,077 km (0.102 R)
• M6: 2,081,654 km (0.091 R)
• M7: 2,612,577 km (0.118 R)
• M8: 3,119,116 km (0.097 R)
• M9: 3,388,841 km (0.049 R)
• M10: 4,008,176 km (0.038 R)
• M11: 4,362,573 km (0.112 R)
• M12: 5,018,560 km (0.09 R)
• M13: 6,058,564 km (0.061 R)
• M14: 6,827,497 km (0.053 R)
• M15: 8,021,887 km (0.101 R)
• M16: 8,558,494 km (0.089 R)
• M17: 9,525,644 km (0.093 R)
• M18: 10,096,809 km (0.096 R)
• M19: 10,532,139 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.4

Radius: 10.1

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.7 AU - 4.8 AU

Year: 6904 Days

Day: 14.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,521,223 km

• M1: 132,544 km (0.116 R)
• M2: 567,574 km (0.101 R)
• M3: 882,627 km (0.105 R)
• M4: 1,230,442 km (0.106 R)
• M5: 1,840,802 km (0.112 R)
• M6: 2,776,985 km (0.08 R)
• M7: 3,165,790 km (0.068 R)
• M8: 3,521,384 km (0.069 R)
• M9: 4,260,847 km (0.076 R)
• M10: 4,724,002 km (0.074 R)
• M11: 6,884,943 km (0.097 R)
• M12: 7,446,982 km (0.12 R)
• M13: 7,998,699 km (0.058 R)
• M14: 8,326,169 km (0.105 R)
• M15: 9,634,851 km (0.047 R)
• M16: 10,338,410 km (0.042 R)
• M17: 10,776,731 km (0.098 R)
• M18: 11,690,625 km (0.097 R)
• M19: 12,220,201 km (0.1 R)
• M20: 12,600,479 km (0.081 R)
• M21: 17,050,417 km (0.071 R)
• M22: 20,109,993 km (0.08 R)
• M23: 20,488,027 km (0.075 R)
• M24: 22,938,440 km (0.12 R)
• M25: 29,663,014 km (0.11 R)
• M26: 32,893,580 km (0.095 R)
• M27: 34,810,228 km (0.03 R)
• M28: 37,708,537 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.6

Radius: 10.4

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.21 AU - 5.89 AU

Year: 7568 Days

Day: 6 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,521,223 km

• M1: 129,851 km (0.077 R)
• M2: 491,429 km (0.069 R)
• M3: 829,071 km (0.103 R)
• M4: 1,429,408 km (0.053 R)
• M5: 1,925,325 km (0.097 R)
• M6: 3,670,234 km (0.108 R)
• M7: 4,013,412 km (0.059 R)
• M8: 6,002,166 km (0.106 R)
• M9: 6,679,246 km (0.073 R)
• M10: 8,185,397 km (0.066 R)
• M11: 8,654,536 km (0.078 R)
• M12: 11,227,619 km (0.08 R)
• M13: 12,204,793 km (0.079 R)
• M14: 13,721,266 km (0.114 R)
• M15: 14,328,185 km (0.046 R)
• M16: 15,126,290 km (0.038 R)
• M17: 16,378,723 km (0.113 R)
• M18: 17,699,074 km (0.106 R)
• M19: 18,953,601 km (0.097 R)
• M20: 21,786,985 km (0.038 R)
• M21: 22,235,031 km (0.073 R)
• M22: 24,248,169 km (0.072 R)
• M23: 26,718,778 km (0.055 R)
• M24: 28,633,780 km (0.075 R)
• M25: 30,545,641 km (0.089 R)
• M26: 32,250,907 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 124.4

Radius: 3.2

Gravity: 12.15 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 7.46 AU - 12.04 AU

Year: 20302 Days

Day: 19.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 43,521,223 km

• M1: 40,541 km (0.11 R)
• M2: 144,362 km (0.088 R)
• M3: 280,945 km (0.049 R)
• M4: 442,511 km (0.104 R)
• M5: 604,076 km (0.043 R)
• M6: 1,057,059 km (0.092 R)
• M7: 1,809,835 km (0.092 R)
• M8: 2,699,194 km (0.068 R)
• M9: 3,923,354 km (0.054 R)
• M10: 4,554,208 km (0.113 R)
• M11: 6,586,794 km (0.063 R)
• M12: 7,353,184 km (0.049 R)
• M13: 9,909,213 km (0.081 R)
• M14: 11,331,590 km (0.102 R)
• M15: 12,258,498 km (0.071 R)
• M16: 13,591,415 km (0.044 R)
• M17: 14,076,860 km (0.092 R)
• M18: 14,763,066 km (0.075 R)
• M19: 17,094,249 km (0.081 R)
• M20: 19,202,532 km (0.115 R)
• M21: 21,396,535 km (0.09 R)
• M22: 22,385,825 km (0.074 R)
• M23: 23,491,653 km (0.119 R)
• M24: 24,014,049 km (0.104 R)
• M25: 27,026,501 km (0.091 R)
• M26: 28,573,792 km (0.034 R)
• M27: 31,212,399 km (0.105 R)
• M28: 32,590,644 km (0.035 R)
• M29: 34,453,287 km (0.111 R)
• M30: 41,089,598 km (0.118 R)
• M31: 41,341,222 km (0.063 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 193 - 18,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit