🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.51 AU - 0.75 AU

Year: 318 Days

Day: 16.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 48.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.5

Radius: 10.8

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.64 AU - 1 AU

Year: 472 Days

Day: 11.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 9,652,801 km

• M1: 134,788 km (0.118 R)
• M2: 261,198 km (0.045 R)
• M3: 395,088 km (0.106 R)
• M4: 506,389 km (0.116 R)
• M5: 589,864 km (0.116 R)
• M6: 660,026 km (0.118 R)
• M7: 757,115 km (0.119 R)
• M8: 863,629 km (0.065 R)
• M9: 931,995 km (0.094 R)
• M10: 1,111,512 km (0.076 R)
• M11: 1,196,185 km (0.101 R)
• M12: 1,288,187 km (0.087 R)
• M13: 1,372,411 km (0.103 R)
• M14: 1,510,490 km (0.105 R)
• M15: 1,583,942 km (0.116 R)
• M16: 1,690,905 km (0.087 R)
• M17: 1,906,924 km (0.058 R)
• M18: 2,044,405 km (0.089 R)
• M19: 2,191,310 km (0.069 R)
• M20: 2,476,892 km (0.052 R)
• M21: 2,576,973 km (0.07 R)
• M22: 2,697,549 km (0.081 R)
• M23: 2,807,054 km (0.087 R)
• M24: 3,044,017 km (0.088 R)
• M25: 3,151,429 km (0.074 R)
• M26: 3,232,810 km (0.11 R)
• M27: 3,308,058 km (0.119 R)
• M28: 3,509,416 km (0.031 R)
• M29: 3,600,970 km (0.073 R)
• M30: 3,700,453 km (0.044 R)
• M31: 3,772,110 km (0.101 R)
• M32: 3,909,591 km (0.111 R)
• M33: 4,026,576 km (0.05 R)
• M34: 4,294,356 km (0.117 R)
• M35: 4,422,711 km (0.069 R)
• M36: 4,567,821 km (0.07 R)
• M37: 4,652,643 km (0.107 R)
• M38: 5,268,538 km (0.098 R)
• M39: 5,341,392 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612

Radius: 9.4

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.86 AU - 0.9 AU

Year: 525 Days

Day: 8 Hours

Environment

Temp: -153 °C

Axial Tilt: 179.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 9,652,801 km

• M1: 125,213 km (0.097 R)
• M2: 217,366 km (0.112 R)
• M3: 285,582 km (0.117 R)
• M4: 439,219 km (0.083 R)
• M5: 586,124 km (0.117 R)
• M6: 813,364 km (0.113 R)
• M7: 1,003,503 km (0.1 R)
• M8: 1,073,664 km (0.075 R)
• M9: 1,192,594 km (0.102 R)
• M10: 1,283,550 km (0.069 R)
• M11: 1,415,944 km (0.08 R)
• M12: 1,529,788 km (0.088 R)
• M13: 1,617,303 km (0.05 R)
• M14: 1,785,301 km (0.114 R)
• M15: 1,958,984 km (0.108 R)
• M16: 2,028,846 km (0.105 R)
• M17: 2,164,532 km (0.118 R)
• M18: 2,383,992 km (0.086 R)
• M19: 2,486,167 km (0.104 R)
• M20: 2,645,638 km (0.116 R)
• M21: 2,758,585 km (0.108 R)
• M22: 2,822,912 km (0.079 R)
• M23: 2,895,018 km (0.114 R)
• M24: 2,960,392 km (0.089 R)
• M25: 3,152,027 km (0.105 R)
• M26: 3,249,415 km (0.087 R)
• M27: 3,362,960 km (0.057 R)
• M28: 3,454,813 km (0.093 R)
• M29: 3,594,238 km (0.045 R)
• M30: 3,711,822 km (0.107 R)
• M31: 3,806,817 km (0.108 R)
• M32: 3,894,631 km (0.1 R)
• M33: 3,967,036 km (0.08 R)
• M34: 4,244,540 km (0.079 R)
• M35: 4,435,876 km (0.093 R)
• M36: 4,604,473 km (0.111 R)
• M37: 4,672,689 km (0.112 R)
• M38: 4,783,990 km (0.118 R)
• M39: 5,000,608 km (0.068 R)
• M40: 5,070,620 km (0.104 R)
• M41: 5,132,254 km (0.099 R)
• M42: 5,220,517 km (0.103 R)
• M43: 5,282,750 km (0.11 R)
• M44: 5,389,862 km (0.083 R)
• M45: 5,452,693 km (0.073 R)
• M46: 5,597,204 km (0.099 R)
• M47: 5,697,285 km (0.097 R)
• M48: 5,770,439 km (0.053 R)
• M49: 5,862,441 km (0.048 R)
• M50: 5,954,743 km (0.075 R)
• M51: 6,019,818 km (0.04 R)
• M52: 6,141,142 km (0.113 R)
• M53: 6,206,816 km (0.104 R)
• M54: 6,272,639 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.3

Radius: 9.2

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.95 AU - 1.11 AU

Year: 665 Days

Day: 13.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 9,652,801 km

• M1: 118,781 km (0.092 R)
• M2: 208,390 km (0.05 R)
• M3: 266,583 km (0.037 R)
• M4: 337,493 km (0.118 R)
• M5: 398,080 km (0.086 R)
• M6: 474,524 km (0.112 R)
• M7: 533,316 km (0.058 R)
• M8: 607,218 km (0.092 R)
• M9: 664,663 km (0.045 R)
• M10: 745,147 km (0.072 R)
• M11: 812,765 km (0.102 R)
• M12: 896,839 km (0.119 R)
• M13: 1,004,849 km (0.066 R)
• M14: 1,158,037 km (0.086 R)
• M15: 1,218,325 km (0.102 R)
• M16: 1,415,944 km (0.091 R)
• M17: 1,536,221 km (0.08 R)
• M18: 1,713,943 km (0.053 R)
• M19: 1,827,488 km (0.084 R)
• M20: 1,970,354 km (0.09 R)
• M21: 2,039,318 km (0.112 R)
• M22: 2,148,225 km (0.04 R)
• M23: 2,207,466 km (0.082 R)
• M24: 2,355,867 km (0.04 R)
• M25: 2,416,903 km (0.119 R)
• M26: 2,482,726 km (0.101 R)
• M27: 2,574,131 km (0.098 R)
• M28: 2,649,827 km (0.072 R)
• M29: 2,782,072 km (0.088 R)
• M30: 2,990,910 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.6

Radius: 12.2

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.87 AU - 2.11 AU

Year: 1785 Days

Day: 7.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 9,652,801 km

• M1: 157,227 km (0.073 R)
• M2: 261,198 km (0.068 R)
• M3: 366,664 km (0.087 R)
• M4: 474,973 km (0.118 R)
• M5: 617,839 km (0.061 R)
• M6: 771,177 km (0.115 R)
• M7: 883,375 km (0.113 R)
• M8: 1,059,452 km (0.115 R)
• M9: 1,138,889 km (0.065 R)
• M10: 1,303,895 km (0.109 R)
• M11: 1,492,089 km (0.098 R)
• M12: 1,799,513 km (0.086 R)
• M13: 1,928,317 km (0.107 R)
• M14: 2,221,080 km (0.085 R)
• M15: 2,430,217 km (0.105 R)
• M16: 2,591,484 km (0.05 R)
• M17: 2,737,791 km (0.083 R)
• M18: 2,821,416 km (0.094 R)
• M19: 3,086,952 km (0.094 R)
• M20: 3,183,891 km (0.105 R)
• M21: 3,400,659 km (0.052 R)
• M22: 3,561,327 km (0.097 R)
• M23: 3,642,708 km (0.089 R)
• M24: 3,817,738 km (0.083 R)
• M25: 3,995,460 km (0.106 R)
• M26: 4,133,240 km (0.111 R)
• M27: 4,326,819 km (0.112 R)
• M28: 4,556,452 km (0.095 R)
• M29: 4,868,812 km (0.04 R)
• M30: 5,050,574 km (0.083 R)
• M31: 5,246,098 km (0.084 R)
• M32: 5,467,653 km (0.091 R)
• M33: 5,597,354 km (0.041 R)
• M34: 5,680,381 km (0.102 R)
• M35: 5,908,069 km (0.111 R)
• M36: 6,016,826 km (0.104 R)
• M37: 6,102,097 km (0.101 R)
• M38: 6,409,521 km (0.091 R)
• M39: 6,496,437 km (0.096 R)
• M40: 6,583,802 km (0.044 R)
• M41: 7,052,343 km (0.093 R)
• M42: 7,219,593 km (0.053 R)
• M43: 7,427,235 km (0.104 R)
• M44: 7,689,480 km (0.026 R)
• M45: 7,821,874 km (0.084 R)
• M46: 8,318,090 km (0.044 R)
• M47: 8,494,765 km (0.06 R)
• M48: 8,686,550 km (0.117 R)
• M49: 8,921,419 km (0.105 R)
• M50: 9,341,041 km (0.114 R)
• M51: 9,553,170 km (0.108 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 15,963 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit