🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.47 AU - 0.78 AU

Year: 315 Days

Day: 24.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.7

Radius: 14.5

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.85 AU - 1.11 AU

Year: 626 Days

Day: 11.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 9,948,899 km

• M1: 190,737 km (0.114 R)
• M2: 294,259 km (0.065 R)
• M3: 397,332 km (0.09 R)
• M4: 531,072 km (0.096 R)
• M5: 624,870 km (0.103 R)
• M6: 824,583 km (0.058 R)
• M7: 933,341 km (0.091 R)
• M8: 1,111,811 km (0.041 R)
• M9: 1,208,152 km (0.046 R)
• M10: 1,372,112 km (0.052 R)
• M11: 1,487,601 km (0.037 R)
• M12: 1,652,907 km (0.108 R)
• M13: 1,812,677 km (0.062 R)
• M14: 1,940,584 km (0.094 R)
• M15: 2,052,782 km (0.093 R)
• M16: 2,154,509 km (0.039 R)
• M17: 2,251,298 km (0.076 R)
• M18: 2,396,259 km (0.036 R)
• M19: 2,537,629 km (0.057 R)
• M20: 2,906,986 km (0.11 R)
• M21: 3,065,560 km (0.069 R)
• M22: 3,406,493 km (0.053 R)
• M23: 3,497,598 km (0.044 R)
• M24: 3,627,898 km (0.089 R)
• M25: 4,157,774 km (0.118 R)
• M26: 4,255,311 km (0.096 R)
• M27: 4,535,957 km (0.068 R)
• M28: 4,678,524 km (0.061 R)
• M29: 4,839,790 km (0.09 R)
• M30: 5,054,762 km (0.115 R)
• M31: 5,159,032 km (0.102 R)
• M32: 5,352,163 km (0.106 R)
• M33: 5,449,701 km (0.041 R)
• M34: 5,583,591 km (0.118 R)
• M35: 5,854,812 km (0.106 R)
• M36: 6,075,020 km (0.027 R)
• M37: 6,176,746 km (0.107 R)
• M38: 6,316,620 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564

Radius: 11.4

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.2 AU - 1.26 AU

Year: 881 Days

Day: 6.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 9,948,899 km

• M1: 157,826 km (0.111 R)
• M2: 307,274 km (0.103 R)
• M3: 390,002 km (0.104 R)
• M4: 483,052 km (0.042 R)
• M5: 580,739 km (0.093 R)
• M6: 930,499 km (0.112 R)
• M7: 1,014,274 km (0.039 R)
• M8: 1,151,604 km (0.113 R)
• M9: 1,248,843 km (0.076 R)
• M10: 1,390,213 km (0.069 R)
• M11: 1,480,421 km (0.119 R)
• M12: 1,674,299 km (0.114 R)
• M13: 1,793,379 km (0.094 R)
• M14: 1,946,119 km (0.118 R)
• M15: 2,040,066 km (0.079 R)
• M16: 2,127,431 km (0.086 R)
• M17: 2,609,585 km (0.08 R)
• M18: 2,774,891 km (0.116 R)
• M19: 2,899,057 km (0.091 R)
• M20: 2,988,816 km (0.113 R)
• M21: 3,217,401 km (0.093 R)
• M22: 3,663,053 km (0.117 R)
• M23: 3,838,831 km (0.052 R)
• M24: 4,057,693 km (0.1 R)
• M25: 4,168,694 km (0.053 R)
• M26: 4,342,228 km (0.096 R)
• M27: 4,414,334 km (0.066 R)
• M28: 4,518,155 km (0.056 R)
• M29: 4,612,252 km (0.046 R)
• M30: 4,728,190 km (0.084 R)
• M31: 4,813,012 km (0.066 R)
• M32: 4,887,811 km (0.056 R)
• M33: 5,125,223 km (0.085 R)
• M34: 5,278,411 km (0.117 R)
• M35: 5,533,176 km (0.09 R)
• M36: 5,690,404 km (0.075 R)
• M37: 5,803,500 km (0.053 R)
• M38: 5,928,863 km (0.109 R)
• M39: 6,170,763 km (0.037 R)
• M40: 6,357,162 km (0.108 R)
• M41: 6,628,532 km (0.118 R)
• M42: 6,699,890 km (0.117 R)
• M43: 6,795,483 km (0.101 R)
• M44: 6,867,589 km (0.03 R)
• M45: 7,012,400 km (0.095 R)
• M46: 7,085,105 km (0.085 R)
• M47: 7,182,643 km (0.062 R)
• M48: 7,280,480 km (0.105 R)
• M49: 7,452,966 km (0.076 R)
• M50: 7,990,920 km (0.093 R)
• M51: 8,168,792 km (0.103 R)
• M52: 8,271,117 km (0.038 R)
• M53: 8,451,083 km (0.12 R)
• M54: 8,684,456 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387

Radius: 14

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.46 AU - 1.66 AU

Year: 1258 Days

Day: 6.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 9,948,899 km

• M1: 219,909 km (0.089 R)
• M2: 325,076 km (0.11 R)
• M3: 420,669 km (0.067 R)
• M4: 535,560 km (0.105 R)
• M5: 653,593 km (0.028 R)
• M6: 782,247 km (0.068 R)
• M7: 883,525 km (0.087 R)
• M8: 1,009,337 km (0.086 R)
• M9: 1,395,898 km (0.057 R)
• M10: 1,630,168 km (0.109 R)
• M11: 1,748,201 km (0.07 R)
• M12: 1,943,576 km (0.107 R)
• M13: 2,060,860 km (0.094 R)
• M14: 2,206,718 km (0.117 R)
• M15: 2,347,340 km (0.111 R)
• M16: 2,721,484 km (0.03 R)
• M17: 2,872,878 km (0.086 R)
• M18: 2,988,217 km (0.09 R)
• M19: 3,184,041 km (0.073 R)
• M20: 3,273,501 km (0.1 R)
• M21: 3,394,376 km (0.105 R)
• M22: 3,496,102 km (0.042 R)
• M23: 3,734,262 km (0.079 R)
• M24: 4,020,592 km (0.098 R)
• M25: 4,161,214 km (0.076 R)
• M26: 4,303,332 km (0.118 R)
• M27: 4,447,246 km (0.114 R)
• M28: 4,819,595 km (0.102 R)
• M29: 5,061,943 km (0.098 R)
• M30: 5,178,779 km (0.037 R)
• M31: 5,284,694 km (0.118 R)
• M32: 5,462,865 km (0.055 R)
• M33: 5,800,957 km (0.05 R)
• M34: 5,911,061 km (0.076 R)
• M35: 6,158,346 km (0.1 R)
• M36: 6,421,638 km (0.082 R)
• M37: 6,599,360 km (0.105 R)
• M38: 6,727,267 km (0.078 R)
• M39: 6,894,816 km (0.103 R)
• M40: 7,011,652 km (0.086 R)
• M41: 7,247,269 km (0.045 R)
• M42: 7,366,050 km (0.12 R)
• M43: 7,861,219 km (0.102 R)
• M44: 8,202,152 km (0.097 R)
• M45: 8,381,221 km (0.079 R)
• M46: 8,589,611 km (0.043 R)
• M47: 8,701,510 km (0.081 R)
• M48: 8,799,646 km (0.101 R)
• M49: 8,912,443 km (0.044 R)
• M50: 9,025,688 km (0.079 R)
• M51: 9,613,608 km (0.065 R)
• M52: 9,700,674 km (0.091 R)
• M53: 9,802,700 km (0.045 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: 399 - 19,398 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit