🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.6

Radius: 13.1

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.02 AU - 1.14 AU

Year: 725 Days

Day: 7.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,600,050 km

• M1: 162,912 km (0.041 R)
• M2: 614,249 km (0.115 R)
• M3: 1,070,672 km (0.099 R)
• M4: 1,975,589 km (0.118 R)
• M5: 2,395,212 km (0.091 R)
• M6: 2,852,083 km (0.107 R)
• M7: 3,341,418 km (0.106 R)
• M8: 3,829,556 km (0.115 R)
• M9: 4,538,949 km (0.081 R)
• M10: 5,496,824 km (0.078 R)
• M11: 6,063,202 km (0.088 R)
• M12: 6,730,857 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800

Radius: 12.2

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.26 AU - 1.8 AU

Year: 1222 Days

Day: 5.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,600,050 km

• M1: 151,842 km (0.106 R)
• M2: 696,378 km (0.08 R)
• M3: 1,087,577 km (0.118 R)
• M4: 2,273,439 km (0.077 R)
• M5: 2,911,324 km (0.119 R)
• M6: 4,273,562 km (0.047 R)
• M7: 4,792,069 km (0.074 R)
• M8: 6,159,543 km (0.107 R)
• M9: 7,046,060 km (0.108 R)
• M10: 7,559,779 km (0.095 R)
• M11: 8,490,427 km (0.075 R)
• M12: 9,526,692 km (0.105 R)
• M13: 10,252,391 km (0.078 R)
• M14: 10,946,974 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.1

Radius: 9.8

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.95 AU - 2.61 AU

Year: 2223 Days

Day: 7.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,600,050 km

• M1: 121,922 km (0.025 R)
• M2: 460,313 km (0.104 R)
• M3: 799,750 km (0.116 R)
• M4: 1,224,309 km (0.116 R)
• M5: 1,550,582 km (0.084 R)
• M6: 1,957,638 km (0.09 R)
• M7: 2,309,043 km (0.103 R)
• M8: 2,814,983 km (0.079 R)
• M9: 3,218,449 km (0.077 R)
• M10: 4,254,713 km (0.085 R)
• M11: 6,157,598 km (0.026 R)
• M12: 6,762,422 km (0.117 R)
• M13: 7,461,792 km (0.11 R)
• M14: 8,090,552 km (0.072 R)
• M15: 8,754,318 km (0.098 R)
• M16: 12,005,828 km (0.103 R)
• M17: 12,990,182 km (0.102 R)
• M18: 13,481,461 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.9

Radius: 12.7

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.34 AU - 2.8 AU

Year: 2660 Days

Day: 8.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,600,050 km

• M1: 158,574 km (0.054 R)
• M2: 629,358 km (0.107 R)
• M3: 1,093,261 km (0.05 R)
• M4: 1,725,911 km (0.114 R)
• M5: 2,344,348 km (0.051 R)
• M6: 3,065,260 km (0.067 R)
• M7: 3,640,165 km (0.032 R)
• M8: 4,062,779 km (0.073 R)
• M9: 4,834,554 km (0.062 R)
• M10: 5,347,226 km (0.109 R)
• M11: 7,156,613 km (0.113 R)
• M12: 7,666,592 km (0.099 R)
• M13: 8,338,286 km (0.117 R)
• M14: 9,615,553 km (0.075 R)
• M15: 10,493,842 km (0.081 R)
• M16: 10,919,448 km (0.035 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.5

Radius: 13.5

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.04 AU - 3.22 AU

Year: 2754 Days

Day: 14.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,600,050 km

• M1: 168,148 km (0.104 R)
• M2: 629,209 km (0.05 R)
• M3: 1,389,764 km (0.088 R)
• M4: 2,286,753 km (0.035 R)
• M5: 2,770,852 km (0.112 R)
• M6: 3,949,683 km (0.055 R)
• M7: 4,370,203 km (0.04 R)
• M8: 4,820,941 km (0.066 R)
• M9: 5,720,623 km (0.098 R)
• M10: 7,619,319 km (0.065 R)
• M11: 8,492,222 km (0.037 R)
• M12: 9,132,202 km (0.102 R)
• M13: 10,365,487 km (0.089 R)
• M14: 10,985,121 km (0.083 R)
• M15: 13,671,749 km (0.117 R)
• M16: 14,328,634 km (0.107 R)
• M17: 15,330,042 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.6

Radius: 13

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.73 AU - 3.21 AU

Year: 3305 Days

Day: 7.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,600,050 km

• M1: 161,715 km (0.101 R)
• M2: 1,414,897 km (0.116 R)
• M3: 2,009,099 km (0.117 R)
• M4: 2,914,915 km (0.099 R)
• M5: 3,926,047 km (0.114 R)
• M6: 4,451,883 km (0.07 R)
• M7: 7,441,447 km (0.107 R)
• M8: 8,096,536 km (0.069 R)
• M9: 8,660,819 km (0.113 R)
• M10: 10,367,432 km (0.075 R)
• M11: 11,454,709 km (0.11 R)
• M12: 12,288,418 km (0.082 R)
• M13: 14,436,494 km (0.064 R)
• M14: 16,674,029 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.2

Radius: 12.4

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.11 AU - 6.25 AU

Year: 7612 Days

Day: 8.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,600,050 km

• M1: 159,621 km (0.115 R)
• M2: 643,720 km (0.066 R)
• M3: 1,867,281 km (0.119 R)
• M4: 3,173,868 km (0.093 R)
• M5: 5,441,623 km (0.117 R)
• M6: 7,673,473 km (0.07 R)
• M7: 11,344,007 km (0.03 R)
• M8: 12,790,917 km (0.088 R)
• M9: 19,545,411 km (0.097 R)
• M10: 21,178,271 km (0.092 R)
• M11: 23,993,105 km (0.103 R)
• M12: 24,957,263 km (0.05 R)
• M13: 26,621,390 km (0.115 R)
• M14: 31,673,160 km (0.068 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.2

Radius: 15

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.54 AU - 5.74 AU

Year: 8648 Days

Day: 6.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,600,050 km

• M1: 383,120 km (0.09 R)
• M2: 872,006 km (0.055 R)
• M3: 1,681,779 km (0.084 R)
• M4: 2,500,229 km (0.057 R)
• M5: 3,667,242 km (0.116 R)
• M6: 6,011,740 km (0.099 R)
• M7: 11,806,114 km (0.109 R)
• M8: 15,590,641 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523

Radius: 5.1

Gravity: 20.11 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 6.67 AU - 8.25 AU

Year: 13156 Days

Day: 24.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,600,050 km

• M1: 63,729 km (0.114 R)
• M2: 441,164 km (0.065 R)
• M3: 780,602 km (0.098 R)
• M4: 1,216,679 km (0.088 R)
• M5: 1,705,565 km (0.079 R)
• M6: 2,878,413 km (0.098 R)
• M7: 3,252,258 km (0.12 R)
• M8: 3,845,563 km (0.092 R)
• M9: 4,096,438 km (0.047 R)
• M10: 5,946,515 km (0.073 R)
• M11: 11,468,173 km (0.058 R)
• M12: 11,639,762 km (0.068 R)
• M13: 15,793,795 km (0.074 R)
• M14: 19,836,528 km (0.099 R)
• M15: 32,785,121 km (0.11 R)
• M16: 34,420,974 km (0.109 R)
• M17: 36,603,009 km (0.07 R)
• M18: 38,490,485 km (0.105 R)
• M19: 39,133,756 km (0.119 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 10,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit