🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.9

Radius: 12.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.63 AU - 0.99 AU

Year: 512 Days

Day: 10.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 67.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,046,059 km

• M1: 155,432 km (0.063 R)
• M2: 566,078 km (0.052 R)
• M3: 1,010,683 km (0.118 R)
• M4: 1,535,323 km (0.101 R)
• M5: 2,694,706 km (0.09 R)
• M6: 3,293,397 km (0.026 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.3

Radius: 10.8

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.46 AU - 1.9 AU

Year: 1531 Days

Day: 12.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,046,059 km

• M1: 134,488 km (0.117 R)
• M2: 503,098 km (0.117 R)
• M3: 877,691 km (0.116 R)
• M4: 1,387,071 km (0.102 R)
• M5: 1,935,198 km (0.056 R)
• M6: 2,296,627 km (0.116 R)
• M7: 3,128,540 km (0.081 R)
• M8: 3,730,971 km (0.09 R)
• M9: 4,096,289 km (0.112 R)
• M10: 5,556,813 km (0.099 R)
• M11: 6,320,360 km (0.081 R)
• M12: 6,790,995 km (0.061 R)
• M13: 7,258,189 km (0.07 R)
• M14: 8,228,481 km (0.101 R)
• M15: 8,850,808 km (0.086 R)
• M16: 9,990,595 km (0.038 R)
• M17: 10,872,624 km (0.107 R)
• M18: 12,791,815 km (0.108 R)
• M19: 13,465,454 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591

Radius: 8

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.34 AU - 3.7 AU

Year: 3689 Days

Day: 8.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,046,059 km

• M1: 108,159 km (0.098 R)
• M2: 369,208 km (0.063 R)
• M3: 724,203 km (0.101 R)
• M4: 978,220 km (0.105 R)
• M5: 1,443,619 km (0.114 R)
• M6: 2,389,377 km (0.114 R)
• M7: 2,832,336 km (0.052 R)
• M8: 4,337,441 km (0.09 R)
• M9: 6,284,008 km (0.069 R)
• M10: 6,941,790 km (0.1 R)
• M11: 7,744,083 km (0.065 R)
• M12: 8,289,218 km (0.053 R)
• M13: 9,379,786 km (0.087 R)
• M14: 9,647,417 km (0.099 R)
• M15: 10,118,202 km (0.083 R)
• M16: 12,021,236 km (0.073 R)
• M17: 13,804,443 km (0.091 R)
• M18: 19,388,482 km (0.107 R)
• M19: 23,053,481 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256.8

Radius: 6.7

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.41 AU - 7.13 AU

Year: 9743 Days

Day: 24.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,046,059 km

• M1: 83,326 km (0.074 R)
• M2: 330,761 km (0.078 R)
• M3: 1,855,911 km (0.084 R)
• M4: 2,930,473 km (0.111 R)
• M5: 6,901,548 km (0.091 R)
• M6: 10,690,264 km (0.104 R)
• M7: 12,942,011 km (0.089 R)
• M8: 20,309,706 km (0.11 R)
• M9: 27,337,365 km (0.089 R)
• M10: 30,816,563 km (0.096 R)
• M11: 32,761,186 km (0.088 R)
• M12: 33,561,385 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659.4

Radius: 6.8

Gravity: 14.26 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.36 AU - 7.36 AU

Year: 11274 Days

Day: 22.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,046,059 km

• M1: 84,523 km (0.076 R)
• M2: 408,701 km (0.111 R)
• M3: 765,941 km (0.058 R)
• M4: 1,026,391 km (0.101 R)
• M5: 1,536,819 km (0.117 R)
• M6: 1,940,733 km (0.107 R)
• M7: 2,553,037 km (0.105 R)
• M8: 4,297,648 km (0.119 R)
• M9: 4,811,217 km (0.099 R)
• M10: 6,406,080 km (0.117 R)
• M11: 7,406,740 km (0.119 R)
• M12: 8,010,517 km (0.037 R)
• M13: 8,370,150 km (0.105 R)
• M14: 9,563,493 km (0.059 R)
• M15: 13,755,225 km (0.119 R)
• M16: 15,966,282 km (0.088 R)
• M17: 17,867,222 km (0.044 R)
• M18: 19,589,542 km (0.105 R)
• M19: 23,179,592 km (0.111 R)
• M20: 25,416,080 km (0.069 R)
• M21: 25,899,580 km (0.062 R)
• M22: 28,305,712 km (0.057 R)
• M23: 29,350,803 km (0.091 R)
• M24: 30,529,784 km (0.032 R)
• M25: 31,963,679 km (0.059 R)
• M26: 33,441,706 km (0.094 R)
• M27: 34,846,131 km (0.078 R)
• M28: 38,274,914 km (0.086 R)
• M29: 39,423,078 km (0.071 R)
• M30: 40,594,130 km (0.088 R)
• M31: 48,258,328 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709.7

Radius: 3.4

Gravity: 61.39 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.83 AU - 8.49 AU

Year: 16385 Days

Day: 18.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,046,059 km

• M1: 43,234 km (0.034 R)
• M2: 293,212 km (0.074 R)
• M3: 428,598 km (0.106 R)
• M4: 597,494 km (0.072 R)
• M5: 1,120,338 km (0.089 R)
• M6: 1,428,061 km (0.107 R)
• M7: 1,536,969 km (0.095 R)
• M8: 2,419,596 km (0.111 R)
• M9: 3,399,612 km (0.036 R)
• M10: 4,927,155 km (0.044 R)
• M11: 5,177,433 km (0.077 R)
• M12: 6,018,921 km (0.093 R)
• M13: 6,263,364 km (0.08 R)
• M14: 7,036,635 km (0.117 R)
• M15: 9,624,379 km (0.102 R)
• M16: 11,873,134 km (0.109 R)
• M17: 14,886,634 km (0.086 R)
• M18: 16,647,849 km (0.116 R)
• M19: 18,457,834 km (0.084 R)
• M20: 18,973,348 km (0.116 R)
• M21: 19,675,561 km (0.087 R)
• M22: 20,945,647 km (0.109 R)
• M23: 22,463,018 km (0.066 R)
• M24: 24,563,671 km (0.101 R)
• M25: 49,153,372 km (0.104 R)
• M26: 50,474,621 km (0.087 R)
• M27: 56,714,198 km (0.109 R)
• M28: 58,167,242 km (0.102 R)
• M29: 59,644,821 km (0.118 R)
• M30: 67,208,040 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.7

Radius: 6.4

Gravity: 9.27 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 8.3 AU - 10.8 AU

Year: 20745 Days

Day: 16 Hours

Environment

Temp: -242 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,046,059 km

• M1: 81,830 km (0.048 R)
• M2: 614,698 km (0.07 R)
• M3: 899,233 km (0.101 R)
• M4: 1,203,814 km (0.107 R)
• M5: 1,948,512 km (0.117 R)
• M6: 2,616,018 km (0.111 R)
• M7: 4,751,378 km (0.082 R)
• M8: 5,792,729 km (0.076 R)
• M9: 7,021,974 km (0.107 R)
• M10: 9,602,687 km (0.115 R)
• M11: 9,874,806 km (0.112 R)
• M12: 10,320,757 km (0.092 R)
• M13: 11,313,189 km (0.03 R)
• M14: 11,739,693 km (0.118 R)
• M15: 12,113,837 km (0.062 R)
• M16: 12,689,789 km (0.107 R)
• M17: 14,315,020 km (0.047 R)
• M18: 14,670,315 km (0.082 R)
• M19: 16,227,031 km (0.035 R)
• M20: 24,254,602 km (0.095 R)
• M21: 30,551,924 km (0.062 R)
• M22: 30,904,377 km (0.113 R)
• M23: 33,948,245 km (0.112 R)
• M24: 38,400,427 km (0.07 R)
• M25: 43,374,407 km (0.098 R)
• M26: 45,022,078 km (0.095 R)
• M27: 53,719,399 km (0.056 R)
• M28: 59,550,125 km (0.106 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 14,462 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit