🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973

Radius: 8.8

Gravity: 12.56 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.59 AU - 0.79 AU

Year: 396 Days

Day: 6 Hours

Environment

Temp: -155 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,411,230 km

• M1: 109,506 km (0.109 R)
• M2: 474,076 km (0.045 R)
• M3: 806,333 km (0.045 R)
• M4: 1,082,640 km (0.088 R)
• M5: 1,581,399 km (0.047 R)
• M6: 2,119,802 km (0.105 R)
• M7: 2,630,529 km (0.079 R)
• M8: 2,904,592 km (0.042 R)
• M9: 3,412,477 km (0.039 R)
• M10: 3,791,708 km (0.103 R)
• M11: 4,269,673 km (0.116 R)
• M12: 4,695,728 km (0.084 R)
• M13: 5,101,437 km (0.118 R)
• M14: 5,736,630 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.3

Radius: 14.1

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.09 AU - 1.15 AU

Year: 818 Days

Day: 14.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,411,230 km

• M1: 175,478 km (0.099 R)
• M2: 739,761 km (0.087 R)
• M3: 1,211,743 km (0.088 R)
• M4: 1,885,382 km (0.079 R)
• M5: 2,443,532 km (0.081 R)
• M6: 4,097,186 km (0.102 R)
• M7: 4,705,003 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.6

Radius: 8.1

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.44 AU - 1.8 AU

Year: 1423 Days

Day: 6.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,411,230 km

• M1: 100,679 km (0.116 R)
• M2: 376,388 km (0.105 R)
• M3: 735,872 km (0.104 R)
• M4: 1,070,373 km (0.078 R)
• M5: 1,618,051 km (0.064 R)
• M6: 1,890,767 km (0.045 R)
• M7: 2,363,946 km (0.069 R)
• M8: 2,717,595 km (0.095 R)
• M9: 3,022,775 km (0.06 R)
• M10: 3,336,033 km (0.077 R)
• M11: 4,062,031 km (0.098 R)
• M12: 4,813,012 km (0.025 R)
• M13: 5,486,203 km (0.049 R)
• M14: 6,042,108 km (0.067 R)
• M15: 7,493,806 km (0.085 R)
• M16: 9,341,340 km (0.117 R)
• M17: 10,196,740 km (0.066 R)
• M18: 10,546,650 km (0.113 R)
• M19: 11,371,832 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.6

Radius: 9.1

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.28 AU - 4.84 AU

Year: 5647 Days

Day: 5.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,411,230 km

• M1: 125,513 km (0.113 R)
• M2: 560,693 km (0.068 R)
• M3: 1,836,314 km (0.074 R)
• M4: 2,942,590 km (0.072 R)
• M5: 3,443,145 km (0.105 R)
• M6: 4,067,417 km (0.031 R)
• M7: 4,442,907 km (0.05 R)
• M8: 6,490,902 km (0.117 R)
• M9: 7,104,552 km (0.083 R)
• M10: 8,372,843 km (0.088 R)
• M11: 12,194,321 km (0.109 R)
• M12: 16,685,399 km (0.086 R)
• M13: 17,527,934 km (0.074 R)
• M14: 21,113,944 km (0.071 R)
• M15: 22,603,341 km (0.058 R)
• M16: 26,429,306 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.4

Radius: 3.4

Gravity: 11.11 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.64 AU - 6.52 AU

Year: 9098 Days

Day: 21.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,411,230 km

• M1: 59,241 km (0.093 R)
• M2: 800,947 km (0.076 R)
• M3: 949,647 km (0.089 R)
• M4: 1,313,469 km (0.12 R)
• M5: 2,644,442 km (0.12 R)
• M6: 2,868,390 km (0.115 R)
• M7: 6,626,587 km (0.059 R)
• M8: 10,252,840 km (0.109 R)
• M9: 18,416,096 km (0.115 R)
• M10: 18,539,664 km (0.026 R)
• M11: 24,097,225 km (0.056 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.7

Radius: 4.4

Gravity: 13.52 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.86 AU - 7.34 AU

Year: 10399 Days

Day: 20.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,411,230 km

• M1: 57,894 km (0.092 R)
• M2: 249,080 km (0.098 R)
• M3: 578,944 km (0.088 R)
• M4: 787,932 km (0.055 R)
• M5: 951,293 km (0.118 R)
• M6: 1,570,030 km (0.052 R)
• M7: 2,153,013 km (0.087 R)
• M8: 3,070,496 km (0.119 R)
• M9: 3,638,669 km (0.047 R)
• M10: 4,457,269 km (0.027 R)
• M11: 4,645,463 km (0.087 R)
• M12: 4,811,068 km (0.093 R)
• M13: 4,951,989 km (0.106 R)
• M14: 5,825,042 km (0.106 R)
• M15: 6,449,763 km (0.119 R)
• M16: 6,760,926 km (0.102 R)
• M17: 7,948,284 km (0.109 R)
• M18: 8,925,458 km (0.096 R)
• M19: 9,224,953 km (0.098 R)
• M20: 9,486,899 km (0.047 R)
• M21: 10,302,805 km (0.041 R)
• M22: 14,794,033 km (0.086 R)
• M23: 18,305,394 km (0.043 R)
• M24: 19,852,834 km (0.092 R)
• M25: 20,143,353 km (0.067 R)
• M26: 21,409,400 km (0.067 R)
• M27: 23,045,253 km (0.07 R)
• M28: 27,093,970 km (0.114 R)
• M29: 29,473,024 km (0.105 R)
• M30: 30,136,491 km (0.057 R)
• M31: 30,520,210 km (0.087 R)
• M32: 33,501,695 km (0.034 R)
• M33: 33,810,166 km (0.08 R)
• M34: 35,274,580 km (0.03 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.7

Radius: 5.6

Gravity: 21.32 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.5 AU - 8.7 AU

Year: 14462 Days

Day: 20.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 73,411,230 km

• M1: 79,736 km (0.069 R)
• M2: 291,417 km (0.102 R)
• M3: 919,877 km (0.066 R)
• M4: 1,914,404 km (0.06 R)
• M5: 2,173,956 km (0.052 R)
• M6: 2,974,903 km (0.107 R)
• M7: 3,617,426 km (0.101 R)
• M8: 5,350,218 km (0.056 R)
• M9: 5,866,780 km (0.117 R)
• M10: 7,753,508 km (0.113 R)
• M11: 11,259,035 km (0.093 R)
• M12: 11,859,371 km (0.117 R)
• M13: 15,329,743 km (0.115 R)
• M14: 15,917,662 km (0.069 R)
• M15: 16,750,174 km (0.062 R)
• M16: 18,093,563 km (0.082 R)
• M17: 21,993,131 km (0.077 R)
• M18: 22,458,231 km (0.073 R)
• M19: 23,216,094 km (0.097 R)
• M20: 28,342,813 km (0.088 R)
• M21: 28,782,930 km (0.105 R)
• M22: 31,284,954 km (0.12 R)
• M23: 33,682,110 km (0.071 R)
• M24: 35,304,200 km (0.117 R)
• M25: 35,685,824 km (0.085 R)
• M26: 40,343,255 km (0.109 R)
• M27: 41,180,255 km (0.119 R)
• M28: 41,461,798 km (0.085 R)
• M29: 46,295,305 km (0.111 R)
• M30: 53,807,961 km (0.08 R)
• M31: 56,193,448 km (0.113 R)
• M32: 58,116,529 km (0.028 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 919.8

Radius: 8

Gravity: 14.37 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 7.8 AU - 8.7 AU

Year: 16357 Days

Day: 19 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,411,230 km

• M1: 101,278 km (0.071 R)
• M2: 434,881 km (0.098 R)
• M3: 1,433,148 km (0.07 R)
• M4: 1,796,521 km (0.107 R)
• M5: 2,098,709 km (0.086 R)
• M6: 2,830,990 km (0.031 R)
• M7: 3,109,990 km (0.079 R)
• M8: 5,415,443 km (0.107 R)
• M9: 5,887,723 km (0.095 R)
• M10: 6,603,400 km (0.105 R)
• M11: 8,463,200 km (0.108 R)
• M12: 8,777,505 km (0.09 R)
• M13: 20,047,461 km (0.112 R)
• M14: 28,037,035 km (0.095 R)
• M15: 30,048,677 km (0.06 R)
• M16: 33,438,415 km (0.098 R)
• M17: 46,892,649 km (0.063 R)
• M18: 47,383,480 km (0.091 R)
• M19: 52,658,002 km (0.11 R)
• M20: 56,445,072 km (0.066 R)
• M21: 62,164,498 km (0.034 R)
• M22: 67,423,910 km (0.094 R)
• M23: 68,888,922 km (0.115 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 17,433 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit