🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

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: 85.9

Radius: 11.1

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.43 AU - 0.65 AU

Year: 274 Days

Day: 10.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 24,409,420 km

• M1: 138,079 km (0.096 R)
• M2: 490,980 km (0.106 R)
• M3: 847,472 km (0.117 R)
• M4: 1,352,664 km (0.106 R)
• M5: 1,764,656 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.8

Radius: 8.9

Gravity: 10.88 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.42 AU - 0.7 AU

Year: 289 Days

Day: 5.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,409,420 km

• M1: 110,852 km (0.083 R)
• M2: 422,614 km (0.063 R)
• M3: 702,811 km (0.11 R)
• M4: 993,180 km (0.046 R)
• M5: 1,330,823 km (0.117 R)
• M6: 1,655,749 km (0.109 R)
• M7: 2,161,540 km (0.083 R)
• M8: 2,633,820 km (0.108 R)
• M9: 3,078,724 km (0.085 R)
• M10: 3,425,043 km (0.119 R)
• M11: 3,845,712 km (0.109 R)
• M12: 4,459,961 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659

Radius: 14.2

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.62 AU - 0.64 AU

Year: 345 Days

Day: 14.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,409,420 km

• M1: 176,675 km (0.081 R)
• M2: 644,617 km (0.118 R)
• M3: 1,145,471 km (0.05 R)
• M4: 1,599,800 km (0.116 R)
• M5: 2,490,954 km (0.1 R)
• M6: 2,984,029 km (0.112 R)
• M7: 3,634,630 km (0.118 R)
• M8: 4,339,086 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.8

Radius: 14.9

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.78 AU - 0.8 AU

Year: 485 Days

Day: 9.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,409,420 km

• M1: 185,352 km (0.098 R)
• M2: 654,191 km (0.065 R)
• M3: 1,238,371 km (0.092 R)
• M4: 1,891,366 km (0.106 R)
• M5: 2,530,149 km (0.089 R)
• M6: 3,107,597 km (0.102 R)
• M7: 3,922,606 km (0.069 R)
• M8: 4,876,442 km (0.077 R)
• M9: 5,689,656 km (0.107 R)
• M10: 6,167,023 km (0.096 R)
• M11: 7,119,213 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.3

Radius: 10.5

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.85 AU - 1.41 AU

Year: 829 Days

Day: 12.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,409,420 km

• M1: 132,095 km (0.113 R)
• M2: 473,627 km (0.101 R)
• M3: 978,520 km (0.064 R)
• M4: 1,636,750 km (0.065 R)
• M5: 2,028,098 km (0.058 R)
• M6: 2,668,228 km (0.12 R)
• M7: 4,252,170 km (0.074 R)
• M8: 4,757,212 km (0.035 R)
• M9: 5,253,728 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.1

Radius: 14.7

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.3 AU - 2.14 AU

Year: 1557 Days

Day: 5.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,409,420 km

• M1: 182,809 km (0.05 R)
• M2: 737,966 km (0.073 R)
• M3: 1,308,981 km (0.099 R)
• M4: 1,813,276 km (0.112 R)
• M5: 2,298,571 km (0.066 R)
• M6: 2,958,896 km (0.06 R)
• M7: 3,640,913 km (0.095 R)
• M8: 4,604,473 km (0.099 R)
• M9: 5,685,766 km (0.056 R)
• M10: 6,462,628 km (0.111 R)
• M11: 6,930,271 km (0.052 R)
• M12: 11,085,501 km (0.069 R)
• M13: 14,069,829 km (0.095 R)
• M14: 14,548,692 km (0.081 R)
• M15: 15,447,177 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.1

Radius: 8.4

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.75 AU - 1.79 AU

Year: 1625 Days

Day: 12.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,409,420 km

• M1: 104,419 km (0.104 R)
• M2: 408,103 km (0.034 R)
• M3: 1,085,482 km (0.111 R)
• M4: 2,018,075 km (0.081 R)
• M5: 2,497,237 km (0.099 R)
• M6: 3,077,976 km (0.066 R)
• M7: 3,620,568 km (0.096 R)
• M8: 3,890,442 km (0.083 R)
• M9: 4,801,344 km (0.073 R)
• M10: 5,847,482 km (0.05 R)
• M11: 6,109,128 km (0.081 R)
• M12: 6,726,818 km (0.105 R)
• M13: 7,743,335 km (0.026 R)
• M14: 8,274,857 km (0.119 R)
• M15: 8,887,310 km (0.099 R)
• M16: 10,455,096 km (0.042 R)
• M17: 11,171,071 km (0.026 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.1

Radius: 13.4

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.01 AU - 2.59 AU

Year: 2408 Days

Day: 12 Hours

Environment

Temp: -200 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,409,420 km

• M1: 167,250 km (0.114 R)
• M2: 586,723 km (0.044 R)
• M3: 1,502,711 km (0.1 R)
• M4: 2,314,279 km (0.116 R)
• M5: 2,820,967 km (0.076 R)
• M6: 3,656,022 km (0.106 R)
• M7: 4,203,551 km (0.068 R)
• M8: 5,737,228 km (0.104 R)
• M9: 7,835,188 km (0.075 R)
• M10: 9,261,604 km (0.052 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.5

Radius: 8

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.22 AU - 2.56 AU

Year: 2550 Days

Day: 12.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,409,420 km

• M1: 100,231 km (0.073 R)
• M2: 355,893 km (0.102 R)
• M3: 606,769 km (0.109 R)
• M4: 1,069,625 km (0.075 R)
• M5: 1,574,518 km (0.062 R)
• M6: 2,443,831 km (0.106 R)
• M7: 4,447,395 km (0.042 R)
• M8: 6,408,025 km (0.113 R)
• M9: 8,276,951 km (0.101 R)
• M10: 10,952,958 km (0.058 R)
• M11: 11,649,186 km (0.068 R)
• M12: 12,263,884 km (0.075 R)

Planet 10 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.6

Radius: 11.3

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.29 AU - 3.43 AU

Year: 3339 Days

Day: 11.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,409,420 km

• M1: 142,716 km (0.099 R)
• M2: 634,295 km (0.112 R)
• M3: 1,052,870 km (0.088 R)
• M4: 2,692,462 km (0.092 R)
• M5: 3,672,478 km (0.096 R)
• M6: 6,180,038 km (0.082 R)
• M7: 6,991,606 km (0.084 R)
• M8: 7,374,577 km (0.03 R)
• M9: 8,078,435 km (0.095 R)
• M10: 9,465,656 km (0.114 R)
• M11: 10,626,685 km (0.109 R)
• M12: 12,380,720 km (0.034 R)
• M13: 12,753,518 km (0.116 R)
• M14: 13,424,015 km (0.048 R)
• M15: 14,017,171 km (0.098 R)
• M16: 14,783,262 km (0.092 R)
• M17: 15,415,911 km (0.097 R)
• M18: 17,597,646 km (0.119 R)
• M19: 18,915,454 km (0.112 R)
• M20: 22,153,350 km (0.083 R)
• M21: 22,703,721 km (0.074 R)
• M22: 23,333,677 km (0.118 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: 464 - 19,721 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit