🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.9

Radius: 8.5

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.78 AU - 0.92 AU

Year: 523 Days

Day: 7 Hours

Environment

Temp: -167 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,682,196 km

• M1: 107,710 km (0.088 R)
• M2: 436,377 km (0.096 R)
• M3: 760,705 km (0.088 R)
• M4: 1,242,261 km (0.117 R)
• M5: 1,556,566 km (0.089 R)
• M6: 1,891,815 km (0.056 R)
• M7: 2,230,205 km (0.087 R)
• M8: 2,877,515 km (0.117 R)
• M9: 3,199,150 km (0.047 R)
• M10: 3,669,636 km (0.102 R)
• M11: 4,482,999 km (0.108 R)
• M12: 4,794,462 km (0.099 R)
• M13: 5,136,293 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.7

Radius: 13.4

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.7 AU - 1.1 AU

Year: 569 Days

Day: 14.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,682,196 km

• M1: 166,802 km (0.049 R)
• M2: 630,256 km (0.074 R)
• M3: 1,055,712 km (0.088 R)
• M4: 1,606,083 km (0.059 R)
• M5: 2,168,122 km (0.105 R)
• M6: 2,674,062 km (0.119 R)
• M7: 3,155,767 km (0.057 R)
• M8: 4,171,387 km (0.103 R)
• M9: 4,885,118 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.5

Radius: 8.8

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.6 AU - 1.6 AU

Year: 1350 Days

Day: 9.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,682,196 km

• M1: 109,805 km (0.06 R)
• M2: 852,857 km (0.097 R)
• M3: 1,462,618 km (0.083 R)
• M4: 1,841,849 km (0.119 R)
• M5: 2,234,394 km (0.06 R)
• M6: 2,946,330 km (0.082 R)
• M7: 4,059,039 km (0.077 R)
• M8: 4,541,492 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.2

Radius: 8.9

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.55 AU - 2.81 AU

Year: 2926 Days

Day: 9.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,682,196 km

• M1: 110,852 km (0.117 R)
• M2: 586,424 km (0.116 R)
• M3: 937,231 km (0.09 R)
• M4: 1,418,188 km (0.09 R)
• M5: 1,878,052 km (0.103 R)
• M6: 2,233,197 km (0.105 R)
• M7: 2,976,399 km (0.057 R)
• M8: 3,538,438 km (0.08 R)
• M9: 7,368,742 km (0.093 R)
• M10: 8,122,416 km (0.074 R)
• M11: 8,890,452 km (0.099 R)
• M12: 9,668,062 km (0.112 R)
• M13: 10,570,885 km (0.067 R)
• M14: 10,856,467 km (0.072 R)
• M15: 13,049,273 km (0.061 R)
• M16: 16,212,520 km (0.101 R)
• M17: 16,868,207 km (0.114 R)
• M18: 17,371,454 km (0.077 R)
• M19: 17,655,391 km (0.097 R)
• M20: 19,363,500 km (0.114 R)
• M21: 20,226,380 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 810.5

Radius: 6.3

Gravity: 20.42 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.57 AU - 6.11 AU

Year: 9411 Days

Day: 24.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,682,196 km

• M1: 78,539 km (0.117 R)
• M2: 330,013 km (0.03 R)
• M3: 548,127 km (0.066 R)
• M4: 1,203,664 km (0.095 R)
• M5: 1,526,497 km (0.091 R)
• M6: 1,825,244 km (0.048 R)
• M7: 2,346,293 km (0.093 R)
• M8: 3,283,673 km (0.08 R)
• M9: 4,748,386 km (0.109 R)
• M10: 5,938,437 km (0.1 R)
• M11: 6,717,992 km (0.097 R)
• M12: 7,690,079 km (0.088 R)
• M13: 8,986,045 km (0.07 R)
• M14: 9,910,261 km (0.025 R)
• M15: 10,112,517 km (0.113 R)
• M16: 11,003,671 km (0.092 R)
• M17: 11,440,497 km (0.088 R)
• M18: 14,373,363 km (0.05 R)
• M19: 14,829,637 km (0.064 R)
• M20: 15,977,651 km (0.093 R)
• M21: 16,894,686 km (0.117 R)
• M22: 20,421,905 km (0.094 R)
• M23: 21,165,107 km (0.094 R)
• M24: 22,356,803 km (0.051 R)
• M25: 30,996,679 km (0.103 R)
• M26: 31,430,064 km (0.116 R)
• M27: 34,115,944 km (0.094 R)
• M28: 35,751,348 km (0.062 R)
• M29: 37,560,884 km (0.096 R)
• M30: 38,800,601 km (0.109 R)
• M31: 40,581,564 km (0.106 R)
• M32: 42,816,706 km (0.096 R)
• M33: 45,132,481 km (0.056 R)
• M34: 46,816,504 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.3

Radius: 7.4

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.69 AU - 7.03 AU

Year: 9460 Days

Day: 17.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,682,196 km

• M1: 92,751 km (0.092 R)
• M2: 351,256 km (0.101 R)
• M3: 793,916 km (0.099 R)
• M4: 1,240,615 km (0.097 R)
• M5: 2,070,435 km (0.095 R)
• M6: 2,469,562 km (0.079 R)
• M7: 2,938,701 km (0.084 R)
• M8: 4,545,083 km (0.084 R)
• M9: 4,931,344 km (0.112 R)
• M10: 5,675,294 km (0.03 R)
• M11: 7,459,399 km (0.087 R)
• M12: 7,841,172 km (0.1 R)
• M13: 9,236,921 km (0.031 R)
• M14: 10,131,516 km (0.09 R)
• M15: 10,695,201 km (0.119 R)
• M16: 12,512,067 km (0.101 R)
• M17: 13,549,678 km (0.106 R)
• M18: 13,831,969 km (0.094 R)
• M19: 14,761,869 km (0.117 R)
• M20: 16,044,820 km (0.109 R)
• M21: 17,334,204 km (0.107 R)
• M22: 17,667,060 km (0.034 R)
• M23: 21,158,375 km (0.101 R)
• M24: 21,462,208 km (0.075 R)
• M25: 22,234,582 km (0.091 R)
• M26: 23,266,059 km (0.03 R)
• M27: 26,288,834 km (0.063 R)
• M28: 27,262,417 km (0.111 R)
• M29: 31,397,152 km (0.097 R)
• M30: 31,892,022 km (0.103 R)
• M31: 36,147,483 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 792.2

Radius: 6

Gravity: 22.01 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.7 AU - 6.76 AU

Year: 11643 Days

Day: 17.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 55,682,196 km

• M1: 74,649 km (0.107 R)
• M2: 480,658 km (0.099 R)
• M3: 1,206,058 km (0.085 R)
• M4: 1,667,867 km (0.101 R)
• M5: 2,845,950 km (0.112 R)
• M6: 3,687,139 km (0.038 R)
• M7: 4,495,865 km (0.087 R)
• M8: 5,041,149 km (0.058 R)
• M9: 5,312,669 km (0.103 R)
• M10: 6,340,407 km (0.111 R)
• M11: 6,778,280 km (0.093 R)
• M12: 7,321,619 km (0.109 R)
• M13: 8,400,220 km (0.087 R)
• M14: 9,945,266 km (0.036 R)
• M15: 10,318,663 km (0.103 R)
• M16: 10,812,485 km (0.102 R)
• M17: 11,264,570 km (0.097 R)
• M18: 12,511,169 km (0.058 R)
• M19: 12,820,986 km (0.066 R)
• M20: 14,245,607 km (0.113 R)
• M21: 16,207,284 km (0.085 R)
• M22: 17,559,349 km (0.113 R)
• M23: 18,661,736 km (0.087 R)
• M24: 20,230,569 km (0.106 R)
• M25: 21,003,541 km (0.076 R)
• M26: 21,441,264 km (0.037 R)
• M27: 21,974,730 km (0.104 R)
• M28: 24,101,563 km (0.074 R)
• M29: 24,484,983 km (0.114 R)
• M30: 31,072,675 km (0.072 R)
• M31: 37,840,632 km (0.117 R)
• M32: 38,358,540 km (0.114 R)
• M33: 42,394,690 km (0.113 R)
• M34: 47,151,454 km (0.039 R)
• M35: 47,901,837 km (0.039 R)
• M36: 50,045,424 km (0.083 R)
• M37: 50,512,918 km (0.106 R)
• M38: 53,704,289 km (0.05 R)
• M39: 54,030,562 km (0.106 R)
• M40: 54,852,303 km (0.06 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 19,420 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit