🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.44 AU - 0.6 AU

Year: 246 Days

Day: 45.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.47 AU - 0.75 AU

Year: 313 Days

Day: 35.3 Hours

Environment

Temp: -120 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184

Radius: 13.4

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.63 AU - 0.85 AU

Year: 418 Days

Day: 11.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 29,031,828 km

• M1: 167,250 km (0.112 R)
• M2: 265,835 km (0.107 R)
• M3: 367,113 km (0.109 R)
• M4: 475,272 km (0.079 R)
• M5: 571,763 km (0.116 R)
• M6: 671,096 km (0.08 R)
• M7: 798,254 km (0.071 R)
• M8: 934,687 km (0.093 R)
• M9: 1,042,697 km (0.12 R)
• M10: 1,137,991 km (0.088 R)
• M11: 1,247,197 km (0.105 R)
• M12: 1,401,283 km (0.079 R)
• M13: 1,577,659 km (0.103 R)
• M14: 1,676,843 km (0.113 R)
• M15: 1,811,032 km (0.118 R)
• M16: 1,906,774 km (0.106 R)
• M17: 2,012,989 km (0.108 R)
• M18: 2,108,133 km (0.119 R)
• M19: 2,357,214 km (0.1 R)
• M20: 2,457,893 km (0.102 R)
• M21: 2,569,343 km (0.055 R)
• M22: 2,677,802 km (0.045 R)
• M23: 2,831,289 km (0.08 R)
• M24: 2,972,958 km (0.043 R)
• M25: 3,132,280 km (0.07 R)
• M26: 3,238,196 km (0.077 R)
• M27: 3,438,507 km (0.059 R)
• M28: 3,542,777 km (0.091 R)
• M29: 3,669,337 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.5

Radius: 13.3

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.76 AU - 1.12 AU

Year: 598 Days

Day: 9.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 29,031,828 km

• M1: 174,282 km (0.116 R)
• M2: 262,395 km (0.06 R)
• M3: 346,768 km (0.028 R)
• M4: 435,779 km (0.101 R)
• M5: 578,944 km (0.071 R)
• M6: 775,216 km (0.091 R)
• M7: 872,156 km (0.088 R)
• M8: 984,653 km (0.089 R)
• M9: 1,213,538 km (0.06 R)
• M10: 1,340,995 km (0.085 R)
• M11: 1,710,801 km (0.084 R)
• M12: 1,813,575 km (0.096 R)
• M13: 1,932,804 km (0.057 R)
• M14: 2,040,066 km (0.111 R)
• M15: 2,253,692 km (0.116 R)
• M16: 2,420,643 km (0.048 R)
• M17: 2,513,543 km (0.085 R)
• M18: 2,615,569 km (0.061 R)
• M19: 2,880,956 km (0.071 R)
• M20: 2,996,296 km (0.101 R)
• M21: 3,079,622 km (0.066 R)
• M22: 3,265,722 km (0.092 R)
• M23: 3,508,220 km (0.034 R)
• M24: 3,658,266 km (0.116 R)
• M25: 4,010,869 km (0.049 R)
• M26: 4,112,445 km (0.112 R)
• M27: 4,270,870 km (0.105 R)
• M28: 4,719,962 km (0.082 R)
• M29: 4,935,383 km (0.116 R)
• M30: 5,074,210 km (0.057 R)
• M31: 5,194,337 km (0.082 R)
• M32: 5,284,994 km (0.088 R)
• M33: 5,457,630 km (0.112 R)
• M34: 5,570,426 km (0.053 R)
• M35: 5,819,208 km (0.101 R)
• M36: 5,913,604 km (0.112 R)
• M37: 6,040,014 km (0.105 R)
• M38: 6,156,700 km (0.117 R)
• M39: 6,295,677 km (0.108 R)
• M40: 6,500,775 km (0.112 R)
• M41: 6,817,923 km (0.054 R)
• M42: 7,308,903 km (0.12 R)
• M43: 7,410,779 km (0.107 R)
• M44: 7,501,735 km (0.106 R)
• M45: 7,650,286 km (0.047 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.8

Radius: 4.7

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.1 AU - 6.8 AU

Year: 10746 Days

Day: 23.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 29,031,828 km

• M1: 140,472 km (0.096 R)
• M2: 392,096 km (0.096 R)
• M3: 572,212 km (0.076 R)
• M4: 763,847 km (0.094 R)
• M5: 1,218,026 km (0.053 R)
• M6: 1,495,530 km (0.086 R)
• M7: 1,641,687 km (0.05 R)
• M8: 1,792,332 km (0.089 R)
• M9: 2,107,236 km (0.098 R)
• M10: 2,215,993 km (0.095 R)
• M11: 2,553,336 km (0.077 R)
• M12: 2,747,664 km (0.08 R)
• M13: 3,027,861 km (0.106 R)
• M14: 3,486,378 km (0.113 R)
• M15: 3,636,724 km (0.118 R)
• M16: 3,921,708 km (0.052 R)
• M17: 4,962,760 km (0.092 R)
• M18: 5,980,773 km (0.067 R)
• M19: 6,032,085 km (0.056 R)
• M20: 6,685,230 km (0.069 R)
• M21: 6,738,486 km (0.083 R)
• M22: 6,979,788 km (0.047 R)
• M23: 7,142,251 km (0.118 R)
• M24: 7,860,471 km (0.073 R)
• M25: 8,029,367 km (0.034 R)
• M26: 8,717,367 km (0.054 R)
• M27: 8,862,926 km (0.103 R)
• M28: 9,097,795 km (0.075 R)
• M29: 9,905,174 km (0.115 R)
• M30: 10,240,722 km (0.06 R)
• M31: 10,704,176 km (0.104 R)
• M32: 11,174,512 km (0.116 R)
• M33: 11,206,077 km (0.076 R)
• M34: 11,459,945 km (0.119 R)
• M35: 11,940,902 km (0.077 R)
• M36: 11,973,215 km (0.102 R)
• M37: 12,070,304 km (0.118 R)
• M38: 13,389,608 km (0.115 R)
• M39: 14,066,239 km (0.096 R)
• M40: 14,788,647 km (0.078 R)
• M41: 15,523,023 km (0.028 R)
• M42: 15,770,458 km (0.09 R)
• M43: 16,305,121 km (0.041 R)
• M44: 16,376,778 km (0.099 R)
• M45: 17,136,286 km (0.05 R)
• M46: 17,685,759 km (0.083 R)
• M47: 17,759,511 km (0.096 R)
• M48: 18,092,366 km (0.027 R)
• M49: 18,352,816 km (0.083 R)
• M50: 18,764,360 km (0.11 R)
• M51: 20,518,545 km (0.067 R)
• M52: 20,984,841 km (0.1 R)
• M53: 21,651,150 km (0.066 R)
• M54: 21,887,964 km (0.116 R)
• M55: 22,404,076 km (0.076 R)
• M56: 22,763,710 km (0.085 R)
• M57: 24,262,231 km (0.029 R)
• M58: 24,344,211 km (0.112 R)
• M59: 24,755,156 km (0.061 R)
• M60: 24,920,163 km (0.067 R)
• M61: 25,251,223 km (0.032 R)
• M62: 25,417,426 km (0.117 R)
• M63: 25,583,779 km (0.099 R)
• M64: 26,043,493 km (0.119 R)
• M65: 26,127,418 km (0.071 R)
• M66: 26,253,379 km (0.052 R)
• M67: 26,590,274 km (0.11 R)
• M68: 27,183,279 km (0.107 R)
• M69: 28,555,092 km (0.097 R)
• M70: 28,684,793 km (0.086 R)
• M71: 28,771,410 km (0.032 R)
• M72: 28,858,177 km (0.102 R)
• M73: 28,901,561 km (0.076 R)
• M74: 28,988,327 km (0.104 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 12,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit