🌌 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 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.2

Radius: 8.3

Gravity: 12.31 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.54 AU - 0.64 AU

Year: 307 Days

Day: 11.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,799,909 km

• M1: 103,223 km (0.108 R)
• M2: 449,242 km (0.1 R)
• M3: 860,786 km (0.114 R)
• M4: 1,276,668 km (0.037 R)
• M5: 1,807,441 km (0.056 R)
• M6: 2,083,749 km (0.11 R)
• M7: 2,496,489 km (0.097 R)
• M8: 2,771,600 km (0.041 R)
• M9: 3,316,435 km (0.091 R)
• M10: 3,626,402 km (0.102 R)
• M11: 4,121,421 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.5

Radius: 14.3

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.65 AU - 0.79 AU

Year: 414 Days

Day: 9.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,799,909 km

• M1: 179,817 km (0.084 R)
• M2: 628,909 km (0.102 R)
• M3: 1,164,619 km (0.099 R)
• M4: 1,954,945 km (0.085 R)
• M5: 2,800,472 km (0.055 R)
• M6: 3,520,487 km (0.066 R)
• M7: 4,261,744 km (0.116 R)
• M8: 4,931,344 km (0.067 R)
• M9: 5,416,041 km (0.087 R)
• M10: 6,425,528 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.2

Radius: 8.2

Gravity: 13.16 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.61 AU - 2.71 AU

Year: 2942 Days

Day: 7.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,799,909 km

• M1: 102,026 km (0.116 R)
• M2: 396,584 km (0.101 R)
• M3: 848,370 km (0.11 R)
• M4: 1,220,120 km (0.096 R)
• M5: 1,892,263 km (0.078 R)
• M6: 2,369,630 km (0.059 R)
• M7: 2,976,399 km (0.039 R)
• M8: 3,429,531 km (0.034 R)
• M9: 3,743,088 km (0.101 R)
• M10: 4,011,916 km (0.113 R)
• M11: 4,588,615 km (0.104 R)
• M12: 4,994,774 km (0.11 R)
• M13: 6,215,193 km (0.065 R)
• M14: 8,974,227 km (0.118 R)
• M15: 9,648,763 km (0.055 R)
• M16: 13,682,670 km (0.039 R)
• M17: 14,323,847 km (0.109 R)
• M18: 16,149,539 km (0.119 R)
• M19: 16,921,464 km (0.116 R)
• M20: 19,755,296 km (0.049 R)
• M21: 20,574,046 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53

Radius: 12.5

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.65 AU - 3.95 AU

Year: 4066 Days

Day: 5.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,799,909 km

• M1: 155,432 km (0.086 R)
• M2: 776,563 km (0.108 R)
• M3: 1,203,664 km (0.112 R)
• M4: 1,736,831 km (0.1 R)
• M5: 3,818,635 km (0.054 R)
• M6: 5,202,266 km (0.066 R)
• M7: 5,900,738 km (0.113 R)
• M8: 6,992,354 km (0.096 R)
• M9: 7,663,151 km (0.096 R)
• M10: 9,133,548 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.9

Radius: 11.1

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.27 AU - 5.99 AU

Year: 7881 Days

Day: 5.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,799,909 km

• M1: 141,968 km (0.071 R)
• M2: 555,457 km (0.047 R)
• M3: 1,019,659 km (0.065 R)
• M4: 1,683,874 km (0.086 R)
• M5: 2,338,963 km (0.111 R)
• M6: 3,314,490 km (0.101 R)
• M7: 4,773,818 km (0.082 R)
• M8: 5,712,993 km (0.104 R)
• M9: 8,379,426 km (0.099 R)
• M10: 8,998,462 km (0.113 R)
• M11: 12,391,790 km (0.119 R)
• M12: 13,137,236 km (0.116 R)
• M13: 13,670,553 km (0.11 R)
• M14: 23,418,499 km (0.069 R)
• M15: 31,860,457 km (0.067 R)
• M16: 34,472,585 km (0.117 R)
• M17: 39,995,440 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821

Radius: 6.2

Gravity: 21.36 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.99 AU - 7.37 AU

Year: 13049 Days

Day: 24.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,799,909 km

• M1: 77,043 km (0.103 R)
• M2: 294,558 km (0.067 R)
• M3: 759,658 km (0.112 R)
• M4: 1,048,831 km (0.075 R)
• M5: 1,868,627 km (0.114 R)
• M6: 2,279,124 km (0.072 R)
• M7: 3,029,806 km (0.036 R)
• M8: 3,435,515 km (0.086 R)
• M9: 4,938,824 km (0.077 R)
• M10: 5,796,917 km (0.119 R)
• M11: 7,134,023 km (0.043 R)
• M12: 7,442,045 km (0.084 R)
• M13: 8,275,006 km (0.089 R)
• M14: 10,179,836 km (0.098 R)
• M15: 10,798,274 km (0.098 R)
• M16: 12,548,269 km (0.098 R)
• M17: 13,590,667 km (0.107 R)
• M18: 16,371,243 km (0.096 R)
• M19: 18,835,270 km (0.106 R)
• M20: 23,991,759 km (0.06 R)
• M21: 25,084,571 km (0.098 R)
• M22: 26,210,295 km (0.084 R)
• M23: 26,627,823 km (0.1 R)
• M24: 29,450,884 km (0.118 R)
• M25: 31,990,457 km (0.069 R)
• M26: 33,435,423 km (0.03 R)
• M27: 39,514,183 km (0.109 R)
• M28: 39,925,577 km (0.052 R)
• M29: 42,310,167 km (0.092 R)
• M30: 44,491,753 km (0.043 R)
• M31: 52,139,346 km (0.115 R)
• M32: 53,465,681 km (0.067 R)
• M33: 53,800,780 km (0.076 R)
• M34: 54,984,548 km (0.054 R)
• M35: 56,358,604 km (0.119 R)
• M36: 58,639,972 km (0.046 R)
• M37: 59,175,083 km (0.109 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 15,216 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit