🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

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: 765.5

Radius: 10.2

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.44 AU - 0.64 AU

Year: 274 Days

Day: 14.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,151,525 km

• M1: 126,859 km (0.111 R)
• M2: 466,446 km (0.108 R)
• M3: 803,341 km (0.12 R)
• M4: 1,138,739 km (0.084 R)
• M5: 1,607,878 km (0.086 R)
• M6: 2,109,031 km (0.065 R)
• M7: 2,805,708 km (0.115 R)
• M8: 3,810,557 km (0.089 R)
• M9: 4,415,232 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.3

Radius: 12.8

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.56 AU - 0.64 AU

Year: 321 Days

Day: 7.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 27,151,525 km

• M1: 159,172 km (0.111 R)
• M2: 1,009,486 km (0.087 R)
• M3: 1,800,111 km (0.112 R)
• M4: 2,377,709 km (0.04 R)
• M5: 2,925,087 km (0.118 R)
• M6: 3,875,782 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.3

Radius: 12.3

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.59 AU - 0.65 AU

Year: 337 Days

Day: 10.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,151,525 km

• M1: 153,039 km (0.08 R)
• M2: 667,057 km (0.085 R)
• M3: 1,341,594 km (0.118 R)
• M4: 1,768,995 km (0.047 R)
• M5: 2,272,840 km (0.099 R)
• M6: 2,684,235 km (0.11 R)
• M7: 3,087,550 km (0.101 R)
• M8: 3,802,778 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.5

Radius: 11.3

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.83 AU - 0.97 AU

Year: 589 Days

Day: 14.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,151,525 km

• M1: 140,772 km (0.11 R)
• M2: 605,572 km (0.029 R)
• M3: 1,074,262 km (0.094 R)
• M4: 1,442,123 km (0.045 R)
• M5: 2,464,775 km (0.095 R)
• M6: 3,170,727 km (0.062 R)
• M7: 3,947,738 km (0.117 R)
• M8: 4,830,366 km (0.075 R)
• M9: 6,073,674 km (0.104 R)
• M10: 6,791,444 km (0.079 R)
• M11: 7,450,872 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.3

Radius: 14.9

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.87 AU - 1.11 AU

Year: 680 Days

Day: 13.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,151,525 km

• M1: 185,352 km (0.116 R)
• M2: 710,590 km (0.073 R)
• M3: 1,241,363 km (0.095 R)
• M4: 1,783,356 km (0.098 R)
• M5: 2,305,602 km (0.11 R)
• M6: 3,469,324 km (0.048 R)
• M7: 4,045,276 km (0.098 R)
• M8: 5,303,693 km (0.027 R)
• M9: 5,957,885 km (0.106 R)
• M10: 6,871,928 km (0.116 R)
• M11: 7,495,153 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.4

Radius: 8.9

Gravity: 10.81 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.62 AU - 1.7 AU

Year: 1476 Days

Day: 5.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,151,525 km

• M1: 111,002 km (0.119 R)
• M2: 639,232 km (0.109 R)
• M3: 1,163,572 km (0.083 R)
• M4: 1,606,232 km (0.086 R)
• M5: 2,205,521 km (0.062 R)
• M6: 2,651,323 km (0.064 R)
• M7: 3,621,914 km (0.118 R)
• M8: 4,671,044 km (0.107 R)
• M9: 6,173,156 km (0.099 R)
• M10: 7,494,105 km (0.057 R)
• M11: 8,265,133 km (0.113 R)
• M12: 8,715,871 km (0.113 R)
• M13: 11,365,399 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.1

Radius: 11.7

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.33 AU - 2.09 AU

Year: 1543 Days

Day: 12.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,151,525 km

• M1: 148,551 km (0.066 R)
• M2: 519,254 km (0.076 R)
• M3: 888,761 km (0.025 R)
• M4: 1,352,814 km (0.084 R)
• M5: 1,967,661 km (0.098 R)
• M6: 2,359,308 km (0.118 R)
• M7: 2,901,750 km (0.048 R)
• M8: 3,303,420 km (0.095 R)
• M9: 4,146,853 km (0.099 R)
• M10: 4,941,218 km (0.113 R)
• M11: 5,364,131 km (0.036 R)
• M12: 5,742,613 km (0.061 R)
• M13: 6,162,684 km (0.114 R)
• M14: 7,039,029 km (0.096 R)
• M15: 7,548,409 km (0.041 R)
• M16: 8,701,659 km (0.067 R)
• M17: 9,163,169 km (0.12 R)
• M18: 9,608,671 km (0.104 R)
• M19: 10,856,317 km (0.11 R)
• M20: 11,355,376 km (0.1 R)
• M21: 12,323,274 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.4

Radius: 10.7

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.46 AU - 2.7 AU

Year: 2860 Days

Day: 14.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 27,151,525 km

• M1: 133,591 km (0.049 R)
• M2: 929,302 km (0.094 R)
• M3: 1,267,842 km (0.099 R)
• M4: 1,634,656 km (0.092 R)
• M5: 2,422,588 km (0.076 R)
• M6: 3,013,799 km (0.115 R)
• M7: 4,507,384 km (0.115 R)
• M8: 5,826,987 km (0.099 R)
• M9: 6,271,891 km (0.116 R)
• M10: 6,951,215 km (0.09 R)
• M11: 7,356,475 km (0.107 R)
• M12: 8,180,311 km (0.115 R)
• M13: 8,703,455 km (0.119 R)
• M14: 11,064,408 km (0.031 R)
• M15: 11,661,304 km (0.118 R)
• M16: 12,279,592 km (0.078 R)
• M17: 14,018,966 km (0.109 R)
• M18: 16,567,815 km (0.079 R)
• M19: 17,520,155 km (0.111 R)
• M20: 18,272,632 km (0.063 R)
• M21: 18,627,179 km (0.12 R)
• M22: 19,228,114 km (0.093 R)
• M23: 20,279,637 km (0.083 R)
• M24: 21,303,784 km (0.117 R)
• M25: 22,564,445 km (0.048 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150.4

Radius: 3.9

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.22 AU - 6.94 AU

Year: 9098 Days

Day: 20.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,151,525 km

• M1: 50,714 km (0.047 R)
• M2: 196,272 km (0.094 R)
• M3: 612,154 km (0.118 R)
• M4: 1,161,478 km (0.115 R)
• M5: 1,681,031 km (0.115 R)
• M6: 2,738,539 km (0.085 R)
• M7: 4,083,573 km (0.082 R)
• M8: 4,245,588 km (0.11 R)
• M9: 4,435,876 km (0.099 R)
• M10: 5,902,683 km (0.055 R)
• M11: 7,805,119 km (0.079 R)
• M12: 8,018,895 km (0.081 R)
• M13: 8,990,832 km (0.109 R)
• M14: 10,376,856 km (0.112 R)
• M15: 11,210,416 km (0.069 R)
• M16: 17,048,173 km (0.052 R)
• M17: 17,834,460 km (0.071 R)
• M18: 22,202,568 km (0.09 R)
• M19: 23,580,664 km (0.116 R)
• M20: 25,635,839 km (0.069 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 15,033 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit