🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.51 AU - 0.67 AU

Year: 297 Days

Day: 15.3 Hours

Environment

Temp: -127 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 21,032,297 km

• M1: 436,676 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.2

Radius: 14.8

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.8 AU - 0.86 AU

Year: 496 Days

Day: 9.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,032,297 km

• M1: 184,604 km (0.1 R)
• M2: 314,604 km (0.075 R)
• M3: 446,550 km (0.093 R)
• M4: 561,740 km (0.118 R)
• M5: 682,166 km (0.118 R)
• M6: 784,192 km (0.038 R)
• M7: 959,521 km (0.086 R)
• M8: 1,065,286 km (0.119 R)
• M9: 1,227,899 km (0.065 R)
• M10: 1,344,137 km (0.067 R)
• M11: 1,510,340 km (0.073 R)
• M12: 1,604,288 km (0.031 R)
• M13: 1,728,005 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.1

Radius: 11.3

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.23 AU - 1.77 AU

Year: 1205 Days

Day: 14.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 86.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 21,032,297 km

• M1: 157,527 km (0.101 R)
• M2: 228,735 km (0.119 R)
• M3: 426,653 km (0.111 R)
• M4: 588,368 km (0.115 R)
• M5: 677,678 km (0.1 R)
• M6: 796,908 km (0.098 R)
• M7: 884,871 km (0.094 R)
• M8: 983,157 km (0.104 R)
• M9: 1,148,612 km (0.072 R)
• M10: 1,256,921 km (0.047 R)
• M11: 1,376,600 km (0.094 R)
• M12: 1,515,726 km (0.087 R)
• M13: 1,603,240 km (0.114 R)
• M14: 1,775,278 km (0.12 R)
• M15: 1,919,191 km (0.099 R)
• M16: 2,014,335 km (0.039 R)
• M17: 2,119,951 km (0.088 R)
• M18: 2,218,686 km (0.057 R)
• M19: 2,420,494 km (0.106 R)
• M20: 2,542,715 km (0.107 R)
• M21: 2,696,053 km (0.107 R)
• M22: 2,832,785 km (0.111 R)
• M23: 3,082,763 km (0.108 R)
• M24: 3,246,573 km (0.059 R)
• M25: 3,329,600 km (0.108 R)
• M26: 3,455,412 km (0.065 R)
• M27: 3,540,234 km (0.114 R)
• M28: 3,647,196 km (0.068 R)
• M29: 3,853,641 km (0.083 R)
• M30: 4,119,776 km (0.086 R)
• M31: 4,221,203 km (0.053 R)
• M32: 4,323,378 km (0.082 R)
• M33: 4,426,601 km (0.037 R)
• M34: 4,530,422 km (0.116 R)
• M35: 4,966,350 km (0.088 R)
• M36: 5,110,562 km (0.083 R)
• M37: 5,477,526 km (0.074 R)
• M38: 5,639,092 km (0.082 R)
• M39: 5,752,038 km (0.115 R)
• M40: 6,069,485 km (0.113 R)
• M41: 6,814,632 km (0.062 R)
• M42: 6,921,594 km (0.08 R)
• M43: 7,056,083 km (0.084 R)
• M44: 7,327,603 km (0.11 R)
• M45: 7,519,687 km (0.067 R)
• M46: 7,713,565 km (0.069 R)
• M47: 7,937,065 km (0.094 R)
• M48: 8,162,808 km (0.115 R)
• M49: 8,333,499 km (0.042 R)
• M50: 8,419,219 km (0.082 R)
• M51: 9,130,856 km (0.083 R)
• M52: 9,219,418 km (0.059 R)
• M53: 9,293,319 km (0.096 R)
• M54: 9,426,910 km (0.119 R)
• M55: 9,741,215 km (0.089 R)
• M56: 9,816,612 km (0.072 R)
• M57: 10,119,847 km (0.109 R)
• M58: 10,257,328 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.1

Radius: 12.4

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.37 AU - 1.99 AU

Year: 1428 Days

Day: 8.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 21,032,297 km

• M1: 165,904 km (0.051 R)
• M2: 331,359 km (0.107 R)
• M3: 445,502 km (0.096 R)
• M4: 743,801 km (0.053 R)
• M5: 871,707 km (0.112 R)
• M6: 985,551 km (0.094 R)
• M7: 1,089,671 km (0.035 R)
• M8: 1,383,930 km (0.118 R)
• M9: 1,536,520 km (0.093 R)
• M10: 1,623,885 km (0.057 R)
• M11: 1,712,896 km (0.074 R)
• M12: 1,812,827 km (0.106 R)
• M13: 1,971,251 km (0.069 R)
• M14: 2,105,440 km (0.087 R)
• M15: 2,222,875 km (0.105 R)
• M16: 2,372,772 km (0.036 R)
• M17: 2,495,292 km (0.109 R)
• M18: 2,578,170 km (0.12 R)
• M19: 3,050,749 km (0.115 R)
• M20: 3,162,050 km (0.106 R)
• M21: 3,411,579 km (0.1 R)
• M22: 3,562,224 km (0.069 R)
• M23: 3,703,295 km (0.089 R)
• M24: 4,273,562 km (0.107 R)
• M25: 4,690,492 km (0.055 R)
• M26: 4,975,924 km (0.047 R)
• M27: 5,173,693 km (0.085 R)
• M28: 5,455,236 km (0.076 R)
• M29: 5,659,287 km (0.092 R)
• M30: 5,893,707 km (0.11 R)
• M31: 6,047,195 km (0.077 R)
• M32: 6,159,543 km (0.08 R)
• M33: 6,415,056 km (0.11 R)
• M34: 6,659,648 km (0.073 R)
• M35: 6,805,058 km (0.047 R)
• M36: 7,471,965 km (0.07 R)
• M37: 7,775,200 km (0.111 R)
• M38: 8,082,474 km (0.112 R)
• M39: 8,331,255 km (0.079 R)
• M40: 8,614,145 km (0.058 R)
• M41: 8,756,711 km (0.117 R)
• M42: 8,852,155 km (0.089 R)
• M43: 9,044,388 km (0.065 R)
• M44: 9,173,192 km (0.103 R)
• M45: 9,318,900 km (0.082 R)
• M46: 9,400,132 km (0.117 R)
• M47: 9,678,234 km (0.052 R)
• M48: 9,975,635 km (0.114 R)
• M49: 10,058,811 km (0.111 R)
• M50: 10,579,561 km (0.088 R)
• M51: 10,766,559 km (0.102 R)
• M52: 10,971,657 km (0.055 R)
• M53: 11,230,013 km (0.106 R)
• M54: 11,560,026 km (0.111 R)
• M55: 11,682,547 km (0.075 R)
• M56: 11,840,522 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.4

Radius: 5.9

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.5 AU - 10.2 AU

Year: 17271 Days

Day: 18.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 21,032,297 km

• M1: 358,586 km (0.062 R)
• M2: 420,669 km (0.112 R)
• M3: 667,805 km (0.082 R)
• M4: 817,253 km (0.117 R)
• M5: 1,044,492 km (0.081 R)
• M6: 1,124,527 km (0.114 R)
• M7: 1,389,615 km (0.056 R)
• M8: 1,687,314 km (0.089 R)
• M9: 2,047,247 km (0.115 R)
• M10: 2,310,240 km (0.059 R)
• M11: 2,445,776 km (0.109 R)
• M12: 2,506,961 km (0.11 R)
• M13: 2,568,446 km (0.117 R)
• M14: 3,414,422 km (0.088 R)
• M15: 3,621,166 km (0.062 R)
• M16: 4,302,136 km (0.105 R)
• M17: 5,060,746 km (0.099 R)
• M18: 5,236,973 km (0.035 R)
• M19: 5,435,339 km (0.061 R)
• M20: 5,696,837 km (0.11 R)
• M21: 6,148,921 km (0.101 R)
• M22: 7,065,208 km (0.046 R)
• M23: 7,284,369 km (0.12 R)
• M24: 7,350,491 km (0.092 R)
• M25: 7,661,954 km (0.06 R)
• M26: 7,774,302 km (0.104 R)
• M27: 7,887,249 km (0.095 R)
• M28: 8,367,159 km (0.056 R)
• M29: 8,833,006 km (0.063 R)
• M30: 9,307,381 km (0.064 R)
• M31: 9,523,400 km (0.059 R)
• M32: 9,716,980 km (0.108 R)
• M33: 10,034,128 km (0.048 R)
• M34: 10,454,198 km (0.118 R)
• M35: 10,553,831 km (0.047 R)
• M36: 10,854,672 km (0.088 R)
• M37: 11,516,194 km (0.103 R)
• M38: 11,877,772 km (0.071 R)
• M39: 14,594,918 km (0.107 R)
• M40: 14,706,368 km (0.075 R)
• M41: 15,921,851 km (0.075 R)
• M42: 16,353,291 km (0.113 R)
• M43: 16,993,271 km (0.09 R)
• M44: 17,316,253 km (0.116 R)
• M45: 17,819,500 km (0.115 R)
• M46: 19,849,094 km (0.062 R)
• M47: 20,406,646 km (0.076 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 16,532 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit