🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.7

Radius: 11.4

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.46 AU - 0.68 AU

Year: 302 Days

Day: 8.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,153,278 km

• M1: 141,819 km (0.12 R)
• M2: 578,495 km (0.073 R)
• M3: 958,922 km (0.07 R)
• M4: 1,344,586 km (0.084 R)
• M5: 1,710,352 km (0.088 R)
• M6: 2,151,217 km (0.104 R)
• M7: 2,554,683 km (0.099 R)
• M8: 2,999,288 km (0.104 R)
• M9: 3,431,775 km (0.096 R)
• M10: 3,791,857 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.6

Radius: 14.3

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.57 AU - 0.89 AU

Year: 438 Days

Day: 9.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,153,278 km

• M1: 177,872 km (0.096 R)
• M2: 623,973 km (0.109 R)
• M3: 1,158,785 km (0.101 R)
• M4: 1,757,177 km (0.109 R)
• M5: 2,715,201 km (0.106 R)
• M6: 3,233,259 km (0.111 R)
• M7: 4,565,129 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.6

Radius: 13.7

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.62 AU - 0.92 AU

Year: 475 Days

Day: 8.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,153,278 km

• M1: 173,833 km (0.078 R)
• M2: 613,202 km (0.082 R)
• M3: 1,070,223 km (0.049 R)
• M4: 1,504,655 km (0.105 R)
• M5: 1,983,967 km (0.12 R)
• M6: 2,495,891 km (0.112 R)
• M7: 2,926,284 km (0.085 R)
• M8: 3,444,042 km (0.095 R)
• M9: 4,409,696 km (0.099 R)
• M10: 5,110,562 km (0.089 R)
• M11: 5,920,934 km (0.12 R)
• M12: 6,637,358 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.8

Radius: 9.4

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.82 AU - 0.9 AU

Year: 561 Days

Day: 9.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,153,278 km

• M1: 116,986 km (0.094 R)
• M2: 465,100 km (0.084 R)
• M3: 793,617 km (0.114 R)
• M4: 1,507,947 km (0.112 R)
• M5: 2,052,184 km (0.048 R)
• M6: 2,777,733 km (0.088 R)
• M7: 3,453,168 km (0.099 R)
• M8: 3,928,440 km (0.094 R)
• M9: 4,508,880 km (0.107 R)
• M10: 5,060,746 km (0.074 R)
• M11: 5,494,730 km (0.055 R)
• M12: 6,299,118 km (0.067 R)
• M13: 6,822,411 km (0.037 R)
• M14: 7,287,660 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.7

Radius: 14.2

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.32 AU - 2.06 AU

Year: 1544 Days

Day: 7.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,153,278 km

• M1: 176,675 km (0.079 R)
• M2: 687,103 km (0.059 R)
• M3: 1,261,708 km (0.114 R)
• M4: 2,240,378 km (0.104 R)
• M5: 2,909,679 km (0.117 R)
• M6: 4,162,710 km (0.083 R)
• M7: 7,760,539 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.6

Radius: 14.9

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.81 AU - 2.89 AU

Year: 2532 Days

Day: 8.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,153,278 km

• M1: 185,352 km (0.112 R)
• M2: 649,554 km (0.062 R)
• M3: 1,792,182 km (0.112 R)
• M4: 2,689,620 km (0.053 R)
• M5: 4,294,207 km (0.068 R)
• M6: 5,923,926 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.8

Radius: 14.5

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.66 AU - 5.78 AU

Year: 7208 Days

Day: 5.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,153,278 km

• M1: 180,864 km (0.092 R)
• M2: 985,401 km (0.054 R)
• M3: 1,932,804 km (0.046 R)
• M4: 2,867,941 km (0.1 R)
• M5: 4,421,664 km (0.117 R)
• M6: 5,475,282 km (0.045 R)
• M7: 6,244,365 km (0.047 R)
• M8: 9,163,468 km (0.053 R)
• M9: 10,109,226 km (0.107 R)
• M10: 11,520,981 km (0.098 R)
• M11: 13,565,236 km (0.114 R)
• M12: 15,528,409 km (0.087 R)
• M13: 18,572,276 km (0.117 R)
• M14: 19,139,552 km (0.106 R)
• M15: 20,234,458 km (0.083 R)
• M16: 20,987,384 km (0.099 R)
• M17: 23,853,530 km (0.074 R)
• M18: 24,608,999 km (0.068 R)
• M19: 25,815,805 km (0.088 R)
• M20: 28,722,193 km (0.105 R)
• M21: 31,040,511 km (0.071 R)
• M22: 33,481,200 km (0.039 R)
• M23: 34,216,474 km (0.101 R)
• M24: 35,610,726 km (0.071 R)
• M25: 36,487,220 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.7

Radius: 13.2

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.14 AU - 6.5 AU

Year: 8625 Days

Day: 5.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,153,278 km

• M1: 164,258 km (0.038 R)
• M2: 865,424 km (0.081 R)
• M3: 1,371,064 km (0.117 R)
• M4: 1,882,689 km (0.1 R)
• M5: 2,335,522 km (0.07 R)
• M6: 5,572,670 km (0.112 R)
• M7: 8,782,891 km (0.115 R)
• M8: 10,727,663 km (0.097 R)
• M9: 18,794,579 km (0.105 R)
• M10: 19,563,213 km (0.079 R)
• M11: 20,999,652 km (0.095 R)
• M12: 28,846,060 km (0.116 R)
• M13: 29,559,791 km (0.094 R)
• M14: 30,389,611 km (0.118 R)
• M15: 32,642,255 km (0.102 R)
• M16: 38,695,733 km (0.093 R)
• M17: 39,439,085 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 508.7

Radius: 5.4

Gravity: 17.45 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 9.96 AU - 10.1 AU

Year: 22329 Days

Day: 20.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,153,278 km

• M1: 70,012 km (0.112 R)
• M2: 424,708 km (0.067 R)
• M3: 743,501 km (0.102 R)
• M4: 1,004,251 km (0.083 R)
• M5: 1,210,845 km (0.084 R)
• M6: 2,047,546 km (0.108 R)
• M7: 2,274,187 km (0.097 R)
• M8: 2,517,583 km (0.027 R)
• M9: 3,409,784 km (0.096 R)
• M10: 3,669,785 km (0.118 R)
• M11: 3,881,018 km (0.113 R)
• M12: 5,916,446 km (0.084 R)
• M13: 7,278,385 km (0.117 R)
• M14: 8,624,168 km (0.05 R)
• M15: 15,128,683 km (0.041 R)
• M16: 21,560,793 km (0.106 R)
• M17: 21,952,740 km (0.111 R)
• M18: 25,916,784 km (0.099 R)
• M19: 26,583,392 km (0.034 R)
• M20: 27,261,370 km (0.034 R)
• M21: 28,769,615 km (0.12 R)
• M22: 29,484,244 km (0.091 R)
• M23: 32,460,943 km (0.046 R)
• M24: 32,717,802 km (0.096 R)
• M25: 39,731,998 km (0.045 R)
• M26: 40,173,162 km (0.079 R)
• M27: 43,044,095 km (0.095 R)
• M28: 45,085,208 km (0.053 R)
• M29: 45,726,085 km (0.065 R)
• M30: 46,698,621 km (0.066 R)
• M31: 48,853,129 km (0.104 R)
• M32: 55,163,317 km (0.095 R)
• M33: 65,409,126 km (0.087 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: 545 - 11,686 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit