🌌 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: 724.7

Radius: 13.2

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.59 AU - 0.59 AU

Year: 313 Days

Day: 7.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,779,342 km

• M1: 164,109 km (0.119 R)
• M2: 656,735 km (0.099 R)
• M3: 1,432,998 km (0.09 R)
• M4: 2,039,617 km (0.12 R)
• M5: 2,465,223 km (0.097 R)
• M6: 2,960,691 km (0.084 R)
• M7: 3,378,518 km (0.04 R)
• M8: 4,466,394 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.6

Radius: 14.5

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.63 AU - 0.67 AU

Year: 362 Days

Day: 7.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,779,342 km

• M1: 180,415 km (0.068 R)
• M2: 633,098 km (0.081 R)
• M3: 1,356,703 km (0.1 R)
• M4: 1,913,506 km (0.09 R)
• M5: 2,480,183 km (0.05 R)
• M6: 2,985,375 km (0.112 R)
• M7: 3,958,808 km (0.092 R)
• M8: 4,627,960 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.5

Radius: 10

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.67 AU - 0.81 AU

Year: 439 Days

Day: 6.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,779,342 km

• M1: 124,316 km (0.113 R)
• M2: 537,206 km (0.107 R)
• M3: 925,861 km (0.038 R)
• M4: 1,293,872 km (0.091 R)
• M5: 1,684,023 km (0.106 R)
• M6: 2,243,220 km (0.101 R)
• M7: 2,933,465 km (0.075 R)
• M8: 3,292,500 km (0.111 R)
• M9: 3,866,058 km (0.084 R)
• M10: 4,475,071 km (0.078 R)
• M11: 5,179,826 km (0.069 R)
• M12: 6,288,496 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.6

Radius: 8.4

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.9 AU - 1.26 AU

Year: 775 Days

Day: 8.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 75,779,342 km

• M1: 120,576 km (0.113 R)
• M2: 483,650 km (0.062 R)
• M3: 1,511,088 km (0.077 R)
• M4: 2,276,431 km (0.102 R)
• M5: 2,991,209 km (0.118 R)
• M6: 3,835,540 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 670.5

Radius: 6.9

Gravity: 14.08 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.43 AU - 9.09 AU

Year: 14921 Days

Day: 24.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,779,342 km

• M1: 102,923 km (0.032 R)
• M2: 374,892 km (0.096 R)
• M3: 620,382 km (0.09 R)
• M4: 1,126,921 km (0.081 R)
• M5: 1,829,283 km (0.054 R)
• M6: 2,157,800 km (0.07 R)
• M7: 2,568,296 km (0.12 R)
• M8: 2,838,919 km (0.101 R)
• M9: 3,103,557 km (0.111 R)
• M10: 3,384,652 km (0.111 R)
• M11: 3,599,774 km (0.046 R)
• M12: 5,229,343 km (0.081 R)
• M13: 5,481,116 km (0.066 R)
• M14: 6,653,066 km (0.115 R)
• M15: 9,377,393 km (0.055 R)
• M16: 9,803,747 km (0.106 R)
• M17: 11,945,540 km (0.119 R)
• M18: 12,383,113 km (0.104 R)
• M19: 17,525,091 km (0.051 R)
• M20: 18,418,639 km (0.033 R)
• M21: 19,858,519 km (0.074 R)
• M22: 20,472,768 km (0.11 R)
• M23: 24,626,951 km (0.103 R)
• M24: 30,916,345 km (0.025 R)
• M25: 33,066,515 km (0.11 R)
• M26: 36,737,198 km (0.089 R)
• M27: 37,662,311 km (0.066 R)
• M28: 38,467,447 km (0.031 R)
• M29: 38,738,369 km (0.081 R)
• M30: 39,010,637 km (0.106 R)
• M31: 39,973,449 km (0.077 R)
• M32: 50,812,862 km (0.084 R)
• M33: 56,375,808 km (0.049 R)
• M34: 61,958,950 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 975.8

Radius: 6.2

Gravity: 25.39 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.51 AU - 10.19 AU

Year: 16655 Days

Day: 16.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 75,779,342 km

• M1: 87,216 km (0.044 R)
• M2: 398,978 km (0.085 R)
• M3: 788,231 km (0.09 R)
• M4: 1,904,381 km (0.042 R)
• M5: 2,100,653 km (0.058 R)
• M6: 2,675,857 km (0.098 R)
• M7: 3,788,566 km (0.12 R)
• M8: 4,101,226 km (0.103 R)
• M9: 4,397,130 km (0.073 R)
• M10: 4,778,156 km (0.119 R)
• M11: 5,806,791 km (0.066 R)
• M12: 7,886,650 km (0.109 R)
• M13: 8,449,138 km (0.092 R)
• M14: 9,711,295 km (0.068 R)
• M15: 11,157,159 km (0.073 R)
• M16: 12,197,313 km (0.099 R)
• M17: 13,514,522 km (0.057 R)
• M18: 16,510,668 km (0.056 R)
• M19: 18,470,550 km (0.101 R)
• M20: 19,096,467 km (0.114 R)
• M21: 20,390,788 km (0.106 R)
• M22: 22,947,565 km (0.081 R)
• M23: 23,566,601 km (0.109 R)
• M24: 24,196,708 km (0.097 R)
• M25: 25,490,580 km (0.112 R)
• M26: 26,154,345 km (0.099 R)
• M27: 26,943,474 km (0.108 R)
• M28: 28,332,790 km (0.115 R)
• M29: 29,165,002 km (0.118 R)
• M30: 30,629,266 km (0.063 R)
• M31: 31,379,500 km (0.049 R)
• M32: 32,398,710 km (0.12 R)
• M33: 36,278,830 km (0.072 R)
• M34: 36,557,232 km (0.116 R)
• M35: 37,828,066 km (0.09 R)
• M36: 41,664,353 km (0.073 R)
• M37: 49,584,214 km (0.059 R)
• M38: 58,069,555 km (0.072 R)
• M39: 67,683,462 km (0.036 R)
• M40: 70,458,503 km (0.119 R)
• M41: 75,779,400 km (0.093 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: 432 - 18,541 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit