🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.61 AU - 0.73 AU

Year: 360 Days

Day: 44.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 137.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,466,558 km

• M1: 694,882 km (0.12 R)

Asteroid Belt

Center: 1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.5

Radius: 12.3

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.14 AU - 1.52 AU

Year: 1006 Days

Day: 7.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,466,558 km

• M1: 153,039 km (0.102 R)
• M2: 548,127 km (0.06 R)
• M3: 1,189,303 km (0.104 R)
• M4: 1,662,481 km (0.106 R)
• M5: 2,233,197 km (0.082 R)
• M6: 2,709,217 km (0.083 R)
• M7: 3,143,201 km (0.104 R)
• M8: 3,771,961 km (0.087 R)
• M9: 5,179,527 km (0.117 R)
• M10: 5,725,111 km (0.092 R)
• M11: 6,665,782 km (0.109 R)
• M12: 7,205,381 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.3

Radius: 11.4

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.57 AU - 2.19 AU

Year: 1691 Days

Day: 8.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,466,558 km

• M1: 141,968 km (0.082 R)
• M2: 604,076 km (0.089 R)
• M3: 1,253,181 km (0.079 R)
• M4: 2,017,776 km (0.055 R)
• M5: 2,730,311 km (0.085 R)
• M6: 3,945,045 km (0.092 R)
• M7: 4,345,818 km (0.108 R)
• M8: 6,350,579 km (0.102 R)
• M9: 6,800,570 km (0.052 R)
• M10: 7,708,629 km (0.111 R)
• M11: 8,756,263 km (0.112 R)
• M12: 9,377,991 km (0.092 R)
• M13: 9,896,348 km (0.074 R)
• M14: 10,468,111 km (0.108 R)
• M15: 10,990,656 km (0.114 R)
• M16: 12,547,073 km (0.092 R)
• M17: 13,297,605 km (0.051 R)
• M18: 13,994,133 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.8

Radius: 11.6

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.04 AU - 3.06 AU

Year: 2671 Days

Day: 10.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,466,558 km

• M1: 144,661 km (0.083 R)
• M2: 904,469 km (0.096 R)
• M3: 1,491,491 km (0.097 R)
• M4: 2,472,254 km (0.097 R)
• M5: 5,155,741 km (0.075 R)
• M6: 5,753,833 km (0.067 R)
• M7: 7,249,513 km (0.098 R)
• M8: 8,440,761 km (0.083 R)
• M9: 8,989,635 km (0.11 R)
• M10: 10,605,292 km (0.102 R)
• M11: 13,646,467 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.2

Radius: 14.8

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.8 AU - 3.68 AU

Year: 3826 Days

Day: 14.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 36,466,558 km

• M1: 193,580 km (0.098 R)
• M2: 711,039 km (0.101 R)
• M3: 1,554,172 km (0.072 R)
• M4: 6,187,518 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.6

Radius: 8

Gravity: 12.31 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.7 AU - 5.92 AU

Year: 8027 Days

Day: 6.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 36,466,558 km

• M1: 105,915 km (0.087 R)
• M2: 356,043 km (0.101 R)
• M3: 767,587 km (0.069 R)
• M4: 1,256,173 km (0.093 R)
• M5: 1,584,989 km (0.076 R)
• M6: 2,399,699 km (0.072 R)
• M7: 2,786,709 km (0.099 R)
• M8: 3,259,887 km (0.049 R)
• M9: 3,685,942 km (0.053 R)
• M10: 4,975,326 km (0.075 R)
• M11: 5,316,110 km (0.111 R)
• M12: 5,805,893 km (0.11 R)
• M13: 6,289,842 km (0.042 R)
• M14: 6,541,765 km (0.119 R)
• M15: 7,617,673 km (0.081 R)
• M16: 8,762,695 km (0.071 R)
• M17: 9,077,300 km (0.084 R)
• M18: 10,362,645 km (0.107 R)
• M19: 13,172,541 km (0.098 R)
• M20: 16,183,498 km (0.116 R)
• M21: 16,589,506 km (0.085 R)
• M22: 18,064,392 km (0.073 R)
• M23: 20,951,930 km (0.116 R)
• M24: 22,006,595 km (0.116 R)
• M25: 24,133,428 km (0.104 R)
• M26: 25,838,843 km (0.069 R)
• M27: 27,912,120 km (0.108 R)
• M28: 29,088,408 km (0.111 R)
• M29: 29,588,215 km (0.086 R)
• M30: 30,297,608 km (0.116 R)
• M31: 31,855,670 km (0.099 R)
• M32: 34,681,723 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825

Radius: 14.7

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.99 AU - 6.69 AU

Year: 9258 Days

Day: 7.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,466,558 km

• M1: 183,108 km (0.053 R)
• M2: 1,870,273 km (0.057 R)
• M3: 2,667,180 km (0.077 R)
• M4: 4,182,756 km (0.06 R)
• M5: 4,728,789 km (0.038 R)
• M6: 5,486,801 km (0.035 R)
• M7: 7,086,900 km (0.103 R)
• M8: 7,656,269 km (0.046 R)
• M9: 8,124,960 km (0.071 R)
• M10: 8,841,234 km (0.081 R)
• M11: 9,357,796 km (0.076 R)
• M12: 11,245,272 km (0.103 R)
• M13: 15,626,994 km (0.117 R)
• M14: 17,093,651 km (0.104 R)
• M15: 18,271,435 km (0.107 R)
• M16: 20,138,566 km (0.113 R)
• M17: 28,992,217 km (0.12 R)
• M18: 36,671,076 km (0.115 R)
• M19: 38,877,046 km (0.057 R)
• M20: 41,953,975 km (0.12 R)
• M21: 42,614,898 km (0.101 R)
• M22: 43,957,689 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.3

Radius: 4.7

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 8.35 AU - 10.31 AU

Year: 18695 Days

Day: 16.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 71.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,466,558 km

• M1: 58,942 km (0.108 R)
• M2: 231,129 km (0.087 R)
• M3: 620,532 km (0.112 R)
• M4: 1,331,421 km (0.081 R)
• M5: 1,489,396 km (0.069 R)
• M6: 1,814,323 km (0.082 R)
• M7: 2,604,649 km (0.068 R)
• M8: 3,223,685 km (0.11 R)
• M9: 4,237,808 km (0.043 R)
• M10: 4,887,961 km (0.043 R)
• M11: 7,052,492 km (0.031 R)
• M12: 10,149,617 km (0.087 R)
• M13: 11,709,474 km (0.08 R)
• M14: 12,070,903 km (0.059 R)
• M15: 13,932,798 km (0.113 R)
• M16: 15,112,975 km (0.058 R)
• M17: 17,336,000 km (0.093 R)
• M18: 17,536,162 km (0.056 R)
• M19: 18,980,379 km (0.093 R)
• M20: 24,532,704 km (0.104 R)
• M21: 24,700,703 km (0.099 R)
• M22: 25,724,999 km (0.078 R)
• M23: 26,072,665 km (0.086 R)
• M24: 26,599,997 km (0.118 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: 449 - 13,553 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit