🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.3

Radius: 10.2

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.67 AU - 0.69 AU

Year: 374 Days

Day: 14.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,410,584 km

• M1: 128,654 km (0.082 R)
• M2: 446,550 km (0.093 R)
• M3: 886,367 km (0.028 R)
• M4: 1,350,121 km (0.106 R)
• M5: 2,695,006 km (0.069 R)
• M6: 3,085,007 km (0.084 R)
• M7: 3,671,880 km (0.102 R)
• M8: 4,193,677 km (0.055 R)
• M9: 4,991,333 km (0.076 R)
• M10: 5,386,122 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.7

Radius: 10.8

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.55 AU - 0.81 AU

Year: 374 Days

Day: 10 Hours

Environment

Temp: -148 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,410,584 km

• M1: 135,236 km (0.047 R)
• M2: 595,549 km (0.113 R)
• M3: 939,026 km (0.056 R)
• M4: 1,307,934 km (0.119 R)
• M5: 1,681,181 km (0.051 R)
• M6: 2,245,314 km (0.072 R)
• M7: 2,713,556 km (0.092 R)
• M8: 3,267,367 km (0.075 R)
• M9: 4,126,059 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.8

Radius: 12.6

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.24 AU - 1.54 AU

Year: 1093 Days

Day: 11.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 29,410,584 km

• M1: 156,779 km (0.113 R)
• M2: 611,706 km (0.104 R)
• M3: 1,736,532 km (0.09 R)
• M4: 2,747,365 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301

Radius: 9.8

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.82 AU - 2.5 AU

Year: 2117 Days

Day: 10.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,410,584 km

• M1: 122,221 km (0.1 R)
• M2: 549,922 km (0.078 R)
• M3: 906,114 km (0.077 R)
• M4: 1,267,094 km (0.07 R)
• M5: 1,593,666 km (0.066 R)
• M6: 2,255,188 km (0.079 R)
• M7: 2,728,516 km (0.08 R)
• M8: 3,118,966 km (0.12 R)
• M9: 3,546,517 km (0.051 R)
• M10: 4,315,749 km (0.063 R)
• M11: 5,109,814 km (0.09 R)
• M12: 5,975,537 km (0.072 R)
• M13: 6,736,093 km (0.11 R)
• M14: 7,062,964 km (0.04 R)
• M15: 7,803,324 km (0.057 R)
• M16: 8,449,288 km (0.106 R)
• M17: 10,402,138 km (0.089 R)
• M18: 12,300,984 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.1

Radius: 8.9

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.8 AU - 4.48 AU

Year: 5617 Days

Day: 14.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,410,584 km

• M1: 110,852 km (0.033 R)
• M2: 526,285 km (0.096 R)
• M3: 1,048,083 km (0.12 R)
• M4: 1,359,396 km (0.07 R)
• M5: 2,206,868 km (0.099 R)
• M6: 2,690,219 km (0.085 R)
• M7: 3,306,113 km (0.109 R)
• M8: 4,062,031 km (0.102 R)
• M9: 5,013,025 km (0.114 R)
• M10: 7,572,195 km (0.066 R)
• M11: 8,468,137 km (0.119 R)
• M12: 12,450,732 km (0.098 R)
• M13: 14,552,432 km (0.12 R)
• M14: 15,142,596 km (0.034 R)
• M15: 22,028,586 km (0.098 R)
• M16: 23,282,216 km (0.08 R)
• M17: 24,417,664 km (0.117 R)
• M18: 32,313,888 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.4

Radius: 11.7

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.92 AU - 6.08 AU

Year: 7456 Days

Day: 11.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 62.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,410,584 km

• M1: 149,747 km (0.1 R)
• M2: 524,640 km (0.085 R)
• M3: 1,130,960 km (0.099 R)
• M4: 1,926,821 km (0.091 R)
• M5: 2,884,845 km (0.075 R)
• M6: 6,872,227 km (0.075 R)
• M7: 8,541,290 km (0.054 R)
• M8: 9,430,500 km (0.117 R)
• M9: 10,812,635 km (0.117 R)
• M10: 12,958,916 km (0.071 R)
• M11: 13,665,017 km (0.085 R)
• M12: 20,740,997 km (0.052 R)
• M13: 21,428,249 km (0.116 R)
• M14: 22,415,745 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.2

Radius: 14

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.45 AU - 6.03 AU

Year: 7999 Days

Day: 12.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 29,410,584 km

• M1: 174,581 km (0.098 R)
• M2: 1,066,184 km (0.115 R)
• M3: 1,623,436 km (0.099 R)
• M4: 2,288,548 km (0.109 R)
• M5: 2,862,406 km (0.078 R)
• M6: 4,198,165 km (0.044 R)
• M7: 5,185,960 km (0.078 R)
• M8: 6,151,464 km (0.08 R)
• M9: 7,425,889 km (0.084 R)
• M10: 8,312,854 km (0.033 R)
• M11: 9,915,646 km (0.119 R)
• M12: 11,982,341 km (0.077 R)
• M13: 13,317,950 km (0.091 R)
• M14: 14,081,797 km (0.117 R)
• M15: 14,689,015 km (0.115 R)
• M16: 17,920,927 km (0.102 R)
• M17: 19,071,634 km (0.087 R)
• M18: 19,590,440 km (0.112 R)
• M19: 20,118,520 km (0.11 R)
• M20: 20,733,816 km (0.069 R)
• M21: 21,361,529 km (0.102 R)
• M22: 24,955,468 km (0.115 R)
• M23: 27,973,605 km (0.112 R)
• M24: 30,921,730 km (0.117 R)
• M25: 31,638,454 km (0.091 R)
• M26: 33,211,326 km (0.085 R)
• M27: 33,854,896 km (0.099 R)
• M28: 36,173,064 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 471

Radius: 3.7

Gravity: 34.4 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 6.83 AU - 10.29 AU

Year: 16701 Days

Day: 16.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,410,584 km

• M1: 53,855 km (0.1 R)
• M2: 195,674 km (0.113 R)
• M3: 447,746 km (0.086 R)
• M4: 621,130 km (0.052 R)
• M5: 868,565 km (0.031 R)
• M6: 1,394,701 km (0.087 R)
• M7: 1,717,832 km (0.094 R)
• M8: 1,888,374 km (0.112 R)
• M9: 2,051,286 km (0.089 R)
• M10: 2,730,909 km (0.073 R)
• M11: 3,209,323 km (0.118 R)
• M12: 6,585,897 km (0.085 R)
• M13: 11,241,233 km (0.094 R)
• M14: 13,753,280 km (0.078 R)
• M15: 15,210,812 km (0.105 R)
• M16: 15,572,390 km (0.119 R)
• M17: 20,108,946 km (0.103 R)
• M18: 23,867,592 km (0.044 R)
• M19: 26,791,782 km (0.098 R)
• M20: 32,141,252 km (0.086 R)
• M21: 33,338,783 km (0.091 R)
• M22: 35,568,539 km (0.097 R)
• M23: 38,293,315 km (0.102 R)
• M24: 49,471,567 km (0.028 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 49.8

Radius: 6.5

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 7.68 AU - 10.2 AU

Year: 17825 Days

Day: 17 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,410,584 km

• M1: 80,932 km (0.111 R)
• M2: 315,502 km (0.057 R)
• M3: 1,943,875 km (0.063 R)
• M4: 2,445,476 km (0.099 R)
• M5: 4,398,177 km (0.12 R)
• M6: 4,828,720 km (0.087 R)
• M7: 7,878,123 km (0.088 R)
• M8: 9,842,194 km (0.107 R)
• M9: 10,667,226 km (0.067 R)
• M10: 11,490,612 km (0.059 R)
• M11: 12,062,525 km (0.103 R)
• M12: 13,366,719 km (0.094 R)
• M13: 20,549,063 km (0.115 R)
• M14: 20,897,177 km (0.114 R)
• M15: 22,255,825 km (0.102 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 18,815 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit