🌌 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: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.46 AU - 0.76 AU

Year: 308 Days

Day: 39 Hours

Environment

Temp: -127 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 33,786,451 km

• M1: 533,616 km (0.11 R)
• M2: 725,101 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131

Radius: 13.9

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.77 AU - 0.85 AU

Year: 471 Days

Day: 13.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,786,451 km

• M1: 173,683 km (0.079 R)
• M2: 262,395 km (0.107 R)
• M3: 360,082 km (0.092 R)
• M4: 500,405 km (0.05 R)
• M5: 622,028 km (0.081 R)
• M6: 721,959 km (0.102 R)
• M7: 849,267 km (0.088 R)
• M8: 953,686 km (0.12 R)
• M9: 1,079,199 km (0.062 R)
• M10: 1,235,230 km (0.052 R)
• M11: 1,612,964 km (0.046 R)
• M12: 1,757,775 km (0.052 R)
• M13: 1,948,213 km (0.115 R)
• M14: 2,060,860 km (0.099 R)
• M15: 2,345,695 km (0.079 R)
• M16: 2,470,609 km (0.089 R)
• M17: 2,561,116 km (0.056 R)
• M18: 2,652,819 km (0.058 R)
• M19: 2,759,782 km (0.119 R)
• M20: 2,877,665 km (0.078 R)
• M21: 2,992,556 km (0.118 R)
• M22: 3,251,659 km (0.11 R)
• M23: 3,391,533 km (0.058 R)
• M24: 3,564,169 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.9

Radius: 13.4

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.91 AU - 3.13 AU

Year: 3389 Days

Day: 14.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 33,786,451 km

• M1: 218,712 km (0.117 R)
• M2: 378,632 km (0.066 R)
• M3: 529,576 km (0.094 R)
• M4: 696,976 km (0.073 R)
• M5: 783,893 km (0.106 R)
• M6: 903,122 km (0.101 R)
• M7: 1,099,844 km (0.112 R)
• M8: 1,193,342 km (0.082 R)
• M9: 1,377,796 km (0.117 R)
• M10: 1,479,523 km (0.071 R)
• M11: 1,763,609 km (0.115 R)
• M12: 2,001,320 km (0.119 R)
• M13: 2,091,677 km (0.076 R)
• M14: 2,344,049 km (0.113 R)
• M15: 2,981,486 km (0.046 R)
• M16: 3,373,881 km (0.1 R)
• M17: 3,482,489 km (0.111 R)
• M18: 3,608,001 km (0.103 R)
• M19: 3,703,146 km (0.088 R)
• M20: 3,863,664 km (0.072 R)
• M21: 3,961,052 km (0.102 R)
• M22: 4,275,058 km (0.069 R)
• M23: 4,359,132 km (0.101 R)
• M24: 4,443,655 km (0.101 R)
• M25: 4,700,814 km (0.086 R)
• M26: 4,787,581 km (0.096 R)
• M27: 5,211,840 km (0.05 R)
• M28: 5,519,713 km (0.09 R)
• M29: 5,648,217 km (0.071 R)
• M30: 6,115,561 km (0.067 R)
• M31: 6,248,703 km (0.078 R)
• M32: 6,517,830 km (0.086 R)
• M33: 6,948,522 km (0.113 R)
• M34: 7,307,856 km (0.086 R)
• M35: 7,693,818 km (0.055 R)
• M36: 7,858,376 km (0.108 R)
• M37: 8,107,457 km (0.12 R)
• M38: 8,634,490 km (0.086 R)
• M39: 8,913,191 km (0.102 R)
• M40: 8,999,359 km (0.065 R)
• M41: 9,260,108 km (0.114 R)
• M42: 9,347,473 km (0.047 R)
• M43: 9,457,129 km (0.105 R)
• M44: 10,146,924 km (0.098 R)
• M45: 10,486,362 km (0.096 R)
• M46: 10,669,021 km (0.052 R)
• M47: 10,921,991 km (0.107 R)
• M48: 11,293,293 km (0.117 R)
• M49: 11,386,792 km (0.027 R)
• M50: 11,527,563 km (0.047 R)
• M51: 11,834,538 km (0.12 R)
• M52: 12,096,334 km (0.099 R)
• M53: 12,747,235 km (0.061 R)
• M54: 13,089,215 km (0.032 R)
• M55: 13,335,304 km (0.091 R)
• M56: 14,284,652 km (0.063 R)
• M57: 14,921,041 km (0.111 R)
• M58: 15,101,007 km (0.026 R)
• M59: 15,255,692 km (0.098 R)
• M60: 15,697,155 km (0.111 R)
• M61: 15,880,113 km (0.046 R)
• M62: 16,459,805 km (0.055 R)
• M63: 16,992,673 km (0.075 R)
• M64: 17,234,423 km (0.028 R)
• M65: 17,748,441 km (0.068 R)
• M66: 17,884,575 km (0.059 R)
• M67: 18,130,514 km (0.107 R)

Asteroid Belt

Center: 3.68 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.8

Radius: 10.7

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.92 AU - 4.74 AU

Year: 5818 Days

Day: 8 Hours

Environment

Temp: -216 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 33,786,451 km

• M1: 136,134 km (0.039 R)
• M2: 221,255 km (0.099 R)
• M3: 402,269 km (0.082 R)
• M4: 579,093 km (0.075 R)
• M5: 880,383 km (0.116 R)
• M6: 967,001 km (0.056 R)
• M7: 1,072,168 km (0.071 R)
• M8: 1,181,374 km (0.081 R)
• M9: 1,514,529 km (0.109 R)
• M10: 1,765,404 km (0.103 R)
• M11: 2,010,446 km (0.103 R)
• M12: 2,107,684 km (0.065 R)
• M13: 2,226,615 km (0.117 R)
• M14: 3,053,293 km (0.114 R)
• M15: 3,143,051 km (0.114 R)
• M16: 3,582,121 km (0.085 R)
• M17: 3,676,966 km (0.082 R)
• M18: 3,772,709 km (0.061 R)
• M19: 4,189,189 km (0.083 R)
• M20: 4,466,544 km (0.114 R)
• M21: 4,646,211 km (0.052 R)
• M22: 5,253,428 km (0.073 R)
• M23: 5,718,229 km (0.056 R)
• M24: 5,885,479 km (0.111 R)
• M25: 6,054,525 km (0.105 R)
• M26: 6,253,490 km (0.1 R)
• M27: 6,863,850 km (0.066 R)
• M28: 7,101,411 km (0.088 R)
• M29: 8,235,064 km (0.11 R)
• M30: 8,361,025 km (0.119 R)
• M31: 8,487,585 km (0.045 R)
• M32: 8,903,467 km (0.086 R)
• M33: 9,293,169 km (0.03 R)
• M34: 9,589,224 km (0.063 R)
• M35: 10,735,442 km (0.071 R)
• M36: 11,011,301 km (0.108 R)
• M37: 11,115,421 km (0.03 R)
• M38: 11,289,703 km (0.1 R)
• M39: 11,960,051 km (0.115 R)
• M40: 12,138,521 km (0.085 R)
• M41: 12,246,082 km (0.034 R)
• M42: 12,498,304 km (0.053 R)
• M43: 12,679,616 km (0.053 R)
• M44: 12,898,179 km (0.111 R)
• M45: 13,339,193 km (0.099 R)
• M46: 14,653,560 km (0.087 R)
• M47: 15,306,854 km (0.099 R)
• M48: 15,384,346 km (0.108 R)
• M49: 15,812,794 km (0.108 R)
• M50: 16,403,556 km (0.088 R)
• M51: 18,136,498 km (0.12 R)
• M52: 18,837,663 km (0.088 R)
• M53: 19,087,192 km (0.117 R)
• M54: 19,379,806 km (0.062 R)
• M55: 20,096,529 km (0.096 R)
• M56: 20,308,958 km (0.117 R)
• M57: 20,394,229 km (0.11 R)
• M58: 21,166,304 km (0.073 R)
• M59: 21,425,706 km (0.062 R)
• M60: 21,512,473 km (0.09 R)
• M61: 21,991,635 km (0.08 R)
• M62: 22,694,745 km (0.104 R)
• M63: 22,960,431 km (0.1 R)
• M64: 23,628,834 km (0.118 R)
• M65: 23,853,231 km (0.101 R)
• M66: 24,033,048 km (0.103 R)
• M67: 24,123,255 km (0.119 R)
• M68: 24,258,641 km (0.095 R)
• M69: 24,394,326 km (0.067 R)
• M70: 25,580,637 km (0.107 R)
• M71: 25,764,792 km (0.071 R)
• M72: 27,867,091 km (0.088 R)
• M73: 28,151,477 km (0.111 R)
• M74: 28,436,910 km (0.047 R)
• M75: 28,914,725 km (0.117 R)
• M76: 29,058,638 km (0.066 R)
• M77: 29,588,215 km (0.085 R)
• M78: 29,878,285 km (0.106 R)
• M79: 30,315,410 km (0.106 R)
• M80: 30,852,466 km (0.075 R)
• M81: 31,540,617 km (0.118 R)
• M82: 33,032,107 km (0.092 R)
• M83: 33,685,551 km (0.098 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 12,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit