🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.4

Radius: 14.3

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.66 AU - 0.9 AU

Year: 476 Days

Day: 11.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,669,739 km

• M1: 183,407 km (0.101 R)
• M2: 708,795 km (0.079 R)
• M3: 1,179,579 km (0.101 R)
• M4: 1,716,187 km (0.08 R)
• M5: 2,276,880 km (0.097 R)
• M6: 3,048,356 km (0.105 R)
• M7: 3,558,784 km (0.093 R)
• M8: 4,338,338 km (0.059 R)
• M9: 5,666,767 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.2

Radius: 13.3

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.89 AU - 1.01 AU

Year: 639 Days

Day: 8.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,669,739 km

• M1: 165,455 km (0.108 R)
• M2: 675,434 km (0.11 R)
• M3: 1,221,167 km (0.103 R)
• M4: 1,795,474 km (0.106 R)
• M5: 2,324,153 km (0.069 R)
• M6: 2,830,242 km (0.059 R)
• M7: 3,527,069 km (0.098 R)
• M8: 4,397,130 km (0.115 R)
• M9: 5,025,292 km (0.111 R)
• M10: 5,476,778 km (0.047 R)
• M11: 5,917,643 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.5

Radius: 10.8

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.33 AU - 2.13 AU

Year: 1571 Days

Day: 11.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,669,739 km

• M1: 134,488 km (0.113 R)
• M2: 599,139 km (0.088 R)
• M3: 1,201,121 km (0.068 R)
• M4: 1,945,670 km (0.078 R)
• M5: 2,645,339 km (0.092 R)
• M6: 3,331,993 km (0.12 R)
• M7: 4,409,248 km (0.109 R)
• M8: 4,855,797 km (0.086 R)
• M9: 5,931,705 km (0.063 R)
• M10: 7,291,251 km (0.118 R)
• M11: 8,086,812 km (0.083 R)
• M12: 8,788,127 km (0.112 R)
• M13: 9,593,113 km (0.079 R)
• M14: 11,172,268 km (0.113 R)
• M15: 11,565,561 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.3

Radius: 13.6

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.6 AU - 3.56 AU

Year: 3731 Days

Day: 8.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,669,739 km

• M1: 170,542 km (0.075 R)
• M2: 866,321 km (0.056 R)
• M3: 1,528,591 km (0.104 R)
• M4: 2,501,875 km (0.098 R)
• M5: 3,929,038 km (0.12 R)
• M6: 7,860,321 km (0.058 R)
• M7: 8,351,152 km (0.082 R)
• M8: 9,026,436 km (0.083 R)
• M9: 10,486,362 km (0.105 R)
• M10: 11,044,212 km (0.069 R)
• M11: 11,978,152 km (0.038 R)
• M12: 12,588,062 km (0.114 R)
• M13: 13,738,320 km (0.095 R)
• M14: 17,097,241 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.6

Radius: 14.1

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.82 AU - 4.18 AU

Year: 5522 Days

Day: 14.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,669,739 km

• M1: 175,927 km (0.12 R)
• M2: 662,569 km (0.115 R)
• M3: 1,169,706 km (0.109 R)
• M4: 1,719,927 km (0.06 R)
• M5: 2,455,051 km (0.082 R)
• M6: 3,141,555 km (0.108 R)
• M7: 4,021,490 km (0.068 R)
• M8: 6,895,714 km (0.085 R)
• M9: 10,137,649 km (0.083 R)
• M10: 11,554,042 km (0.062 R)
• M11: 12,309,960 km (0.11 R)

Asteroid Belt

Center: 5.08 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.9

Radius: 4.8

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.28 AU - 7.02 AU

Year: 10527 Days

Day: 24.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,669,739 km

• M1: 60,438 km (0.1 R)
• M2: 444,605 km (0.066 R)
• M3: 883,375 km (0.09 R)
• M4: 1,184,067 km (0.117 R)
• M5: 1,461,721 km (0.106 R)
• M6: 2,490,805 km (0.069 R)
• M7: 3,253,754 km (0.08 R)
• M8: 4,341,181 km (0.038 R)
• M9: 5,996,930 km (0.117 R)
• M10: 6,435,700 km (0.117 R)
• M11: 7,434,865 km (0.087 R)
• M12: 8,311,658 km (0.093 R)
• M13: 8,856,643 km (0.115 R)
• M14: 9,770,686 km (0.095 R)
• M15: 13,836,756 km (0.107 R)
• M16: 14,237,977 km (0.106 R)
• M17: 14,970,409 km (0.086 R)
• M18: 15,824,164 km (0.098 R)
• M19: 16,312,152 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.1

Radius: 4.7

Gravity: 26.22 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 9.3 AU - 10.1 AU

Year: 20853 Days

Day: 18.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 45,669,739 km

• M1: 59,839 km (0.094 R)
• M2: 209,886 km (0.118 R)
• M3: 723,605 km (0.102 R)
• M4: 923,019 km (0.072 R)
• M5: 2,325,200 km (0.093 R)
• M6: 2,989,414 km (0.097 R)
• M7: 4,579,640 km (0.081 R)
• M8: 5,227,997 km (0.1 R)
• M9: 5,534,972 km (0.105 R)
• M10: 9,635,000 km (0.095 R)
• M11: 11,569,151 km (0.111 R)
• M12: 12,090,350 km (0.11 R)
• M13: 20,358,475 km (0.07 R)
• M14: 21,021,493 km (0.039 R)
• M15: 21,796,559 km (0.097 R)
• M16: 23,713,656 km (0.103 R)
• M17: 27,648,678 km (0.094 R)
• M18: 27,879,209 km (0.098 R)
• M19: 29,409,146 km (0.074 R)
• M20: 33,151,786 km (0.088 R)
• M21: 34,200,916 km (0.045 R)
• M22: 36,089,888 km (0.105 R)
• M23: 39,780,168 km (0.115 R)
• M24: 49,748,473 km (0.119 R)
• M25: 51,122,380 km (0.049 R)
• M26: 51,295,763 km (0.096 R)
• M27: 51,818,608 km (0.105 R)
• M28: 53,766,073 km (0.093 R)
• M29: 57,057,226 km (0.026 R)
• M30: 59,324,232 km (0.073 R)
• M31: 63,235,020 km (0.109 R)
• M32: 63,635,194 km (0.089 R)
• M33: 65,049,493 km (0.052 R)
• M34: 66,484,585 km (0.076 R)
• M35: 71,132,142 km (0.054 R)
• M36: 72,217,774 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574.1

Radius: 5.4

Gravity: 19.69 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 7.83 AU - 12.67 AU

Year: 22652 Days

Day: 23.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 45,669,739 km

• M1: 68,217 km (0.041 R)
• M2: 309,518 km (0.119 R)
• M3: 1,212,491 km (0.112 R)
• M4: 1,669,213 km (0.1 R)
• M5: 1,966,614 km (0.086 R)
• M6: 2,255,188 km (0.087 R)
• M7: 2,715,949 km (0.107 R)
• M8: 5,673,798 km (0.071 R)
• M9: 6,792,043 km (0.044 R)
• M10: 8,361,025 km (0.11 R)
• M11: 9,229,590 km (0.041 R)
• M12: 9,398,935 km (0.1 R)
• M13: 15,899,860 km (0.088 R)
• M14: 18,271,136 km (0.059 R)
• M15: 19,726,723 km (0.107 R)
• M16: 21,852,060 km (0.113 R)
• M17: 22,661,385 km (0.109 R)
• M18: 24,447,134 km (0.081 R)
• M19: 25,651,248 km (0.078 R)
• M20: 30,864,285 km (0.093 R)
• M21: 32,922,602 km (0.108 R)
• M22: 36,459,395 km (0.109 R)
• M23: 37,884,464 km (0.12 R)
• M24: 40,391,724 km (0.082 R)
• M25: 41,762,789 km (0.118 R)
• M26: 47,055,861 km (0.113 R)
• M27: 50,646,808 km (0.087 R)
• M28: 53,684,393 km (0.057 R)
• M29: 55,526,840 km (0.107 R)
• M30: 56,841,207 km (0.109 R)
• M31: 60,711,005 km (0.111 R)
• M32: 66,628,348 km (0.105 R)
• M33: 72,695,589 km (0.164 R)
• M34: 75,862,726 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.3

Radius: 6.4

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 9.82 AU - 11.32 AU

Year: 23720 Days

Day: 15.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,669,739 km

• M1: 82,578 km (0.084 R)
• M2: 417,677 km (0.117 R)
• M3: 908,957 km (0.107 R)
• M4: 1,310,477 km (0.065 R)
• M5: 1,824,496 km (0.099 R)
• M6: 2,997,343 km (0.069 R)
• M7: 3,579,279 km (0.119 R)
• M8: 3,910,488 km (0.03 R)
• M9: 5,248,641 km (0.036 R)
• M10: 5,676,342 km (0.1 R)
• M11: 7,298,282 km (0.116 R)
• M12: 9,682,872 km (0.092 R)
• M13: 12,657,625 km (0.096 R)
• M14: 17,238,163 km (0.08 R)
• M15: 18,181,826 km (0.118 R)
• M16: 19,389,978 km (0.037 R)
• M17: 20,812,056 km (0.095 R)
• M18: 22,302,200 km (0.081 R)
• M19: 25,033,109 km (0.098 R)
• M20: 27,391,669 km (0.12 R)
• M21: 28,077,576 km (0.075 R)
• M22: 28,875,680 km (0.086 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 10,426 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit