🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.5

Radius: 8

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.68 AU - 0.76 AU

Year: 394 Days

Day: 13 Hours

Environment

Temp: -141 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,159,544 km

• M1: 99,782 km (0.119 R)
• M2: 385,514 km (0.113 R)
• M3: 690,245 km (0.045 R)
• M4: 1,158,336 km (0.082 R)
• M5: 1,436,289 km (0.03 R)
• M6: 1,744,760 km (0.114 R)
• M7: 2,008,800 km (0.091 R)
• M8: 2,265,061 km (0.092 R)
• M9: 2,580,862 km (0.11 R)
• M10: 3,115,376 km (0.088 R)
• M11: 4,349,558 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.8

Radius: 14.9

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.56 AU - 0.9 AU

Year: 403 Days

Day: 6.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,159,544 km

• M1: 185,352 km (0.055 R)
• M2: 710,291 km (0.114 R)
• M3: 1,283,999 km (0.1 R)
• M4: 1,893,909 km (0.032 R)
• M5: 2,369,929 km (0.111 R)
• M6: 2,907,883 km (0.087 R)
• M7: 3,993,366 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.9

Radius: 8

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.87 AU - 1.07 AU

Year: 617 Days

Day: 14.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,159,544 km

• M1: 99,632 km (0.093 R)
• M2: 368,609 km (0.059 R)
• M3: 672,143 km (0.106 R)
• M4: 978,819 km (0.103 R)
• M5: 1,385,875 km (0.064 R)
• M6: 1,675,496 km (0.11 R)
• M7: 2,050,089 km (0.108 R)
• M8: 2,389,228 km (0.086 R)
• M9: 2,776,387 km (0.101 R)
• M10: 3,584,365 km (0.089 R)
• M11: 3,979,303 km (0.105 R)
• M12: 4,433,333 km (0.101 R)
• M13: 5,019,906 km (0.07 R)
• M14: 5,949,059 km (0.097 R)
• M15: 6,622,698 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.4

Radius: 9.9

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.82 AU - 5.5 AU

Year: 6495 Days

Day: 9.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,159,544 km

• M1: 123,119 km (0.098 R)
• M2: 433,235 km (0.113 R)
• M3: 764,445 km (0.065 R)
• M4: 1,184,366 km (0.107 R)
• M5: 1,808,189 km (0.12 R)
• M6: 2,405,983 km (0.118 R)
• M7: 3,035,042 km (0.071 R)
• M8: 4,133,090 km (0.061 R)
• M9: 4,569,317 km (0.088 R)
• M10: 5,392,704 km (0.042 R)
• M11: 5,974,490 km (0.078 R)
• M12: 7,719,849 km (0.117 R)
• M13: 9,950,802 km (0.051 R)
• M14: 11,610,590 km (0.03 R)
• M15: 11,992,364 km (0.095 R)
• M16: 16,404,603 km (0.079 R)
• M17: 17,750,535 km (0.08 R)
• M18: 19,036,778 km (0.091 R)
• M19: 22,083,338 km (0.109 R)
• M20: 22,448,956 km (0.101 R)
• M21: 23,570,042 km (0.106 R)
• M22: 25,361,028 km (0.073 R)
• M23: 29,652,392 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.6

Radius: 8.5

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.95 AU - 6.09 AU

Year: 8374 Days

Day: 11.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,159,544 km

• M1: 106,663 km (0.05 R)
• M2: 470,784 km (0.051 R)
• M3: 1,456,036 km (0.072 R)
• M4: 1,756,578 km (0.055 R)
• M5: 3,218,598 km (0.108 R)
• M6: 4,166,450 km (0.065 R)
• M7: 4,715,774 km (0.09 R)
• M8: 8,213,222 km (0.089 R)
• M9: 10,574,774 km (0.093 R)
• M10: 13,701,370 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.4

Radius: 5

Gravity: 32.02 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 6.7 AU - 10.64 AU

Year: 16483 Days

Day: 15.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 82,159,544 km

• M1: 66,721 km (0.08 R)
• M2: 251,175 km (0.118 R)
• M3: 842,685 km (0.101 R)
• M4: 1,386,922 km (0.115 R)
• M5: 1,962,574 km (0.095 R)
• M6: 2,262,219 km (0.11 R)
• M7: 2,523,267 km (0.061 R)
• M8: 2,853,131 km (0.117 R)
• M9: 3,158,310 km (0.114 R)
• M10: 3,318,829 km (0.106 R)
• M11: 4,016,553 km (0.078 R)
• M12: 4,948,847 km (0.044 R)
• M13: 5,658,390 km (0.114 R)
• M14: 6,098,956 km (0.083 R)
• M15: 6,561,961 km (0.106 R)
• M16: 7,048,154 km (0.098 R)
• M17: 9,235,125 km (0.084 R)
• M18: 12,291,111 km (0.115 R)
• M19: 12,757,108 km (0.102 R)
• M20: 13,795,317 km (0.074 R)
• M21: 14,298,564 km (0.069 R)
• M22: 19,841,315 km (0.059 R)
• M23: 23,792,943 km (0.118 R)
• M24: 24,620,668 km (0.079 R)
• M25: 29,166,199 km (0.114 R)
• M26: 29,519,250 km (0.045 R)
• M27: 32,698,953 km (0.073 R)
• M28: 34,896,994 km (0.119 R)
• M29: 35,428,217 km (0.093 R)
• M30: 50,017,150 km (0.037 R)
• M31: 55,769,189 km (0.103 R)
• M32: 57,595,479 km (0.051 R)
• M33: 63,509,981 km (0.107 R)
• M34: 68,357,401 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 803.1

Radius: 5.1

Gravity: 30.88 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 9.43 AU - 10.77 AU

Year: 20725 Days

Day: 21.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 82,159,544 km

• M1: 65,075 km (0.112 R)
• M2: 269,875 km (0.05 R)
• M3: 653,593 km (0.06 R)
• M4: 812,915 km (0.09 R)
• M5: 1,156,242 km (0.084 R)
• M6: 1,963,921 km (0.112 R)
• M7: 2,324,601 km (0.119 R)
• M8: 3,861,869 km (0.12 R)
• M9: 4,088,360 km (0.081 R)
• M10: 4,358,235 km (0.108 R)
• M11: 5,278,262 km (0.059 R)
• M12: 7,899,067 km (0.055 R)
• M13: 17,531,524 km (0.056 R)
• M14: 17,885,024 km (0.071 R)
• M15: 20,984,841 km (0.113 R)
• M16: 21,483,750 km (0.108 R)
• M17: 22,195,387 km (0.098 R)
• M18: 22,401,533 km (0.115 R)
• M19: 23,239,132 km (0.12 R)
• M20: 25,877,140 km (0.066 R)
• M21: 27,385,985 km (0.115 R)
• M22: 28,222,386 km (0.076 R)
• M23: 30,197,826 km (0.072 R)
• M24: 31,478,085 km (0.078 R)
• M25: 33,465,792 km (0.104 R)
• M26: 34,421,423 km (0.101 R)
• M27: 35,395,006 km (0.12 R)
• M28: 39,624,736 km (0.056 R)
• M29: 41,469,278 km (0.077 R)
• M30: 45,328,604 km (0.069 R)
• M31: 48,375,314 km (0.085 R)
• M32: 49,070,495 km (0.094 R)
• M33: 51,016,464 km (0.086 R)
• M34: 52,099,254 km (0.107 R)
• M35: 52,463,524 km (0.112 R)
• M36: 66,524,976 km (0.102 R)
• M37: 67,600,435 km (0.086 R)
• M38: 73,608,585 km (0.115 R)
• M39: 74,297,334 km (0.093 R)
• M40: 76,155,040 km (0.059 R)
• M41: 77,095,412 km (0.099 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 20,001 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit