🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.7

Radius: 9.7

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.91 AU - 1.47 AU

Year: 880 Days

Day: 6.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,191,793 km

• M1: 120,576 km (0.054 R)
• M2: 428,747 km (0.065 R)
• M3: 852,409 km (0.111 R)
• M4: 1,465,461 km (0.119 R)
• M5: 1,860,100 km (0.086 R)
• M6: 3,136,768 km (0.066 R)
• M7: 4,367,959 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.4

Radius: 14.7

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.43 AU - 2.21 AU

Year: 1665 Days

Day: 10.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,191,793 km

• M1: 182,809 km (0.084 R)
• M2: 697,126 km (0.095 R)
• M3: 1,246,599 km (0.107 R)
• M4: 1,756,728 km (0.089 R)
• M5: 2,335,073 km (0.067 R)
• M6: 3,098,920 km (0.037 R)
• M7: 4,025,080 km (0.058 R)
• M8: 5,341,990 km (0.082 R)
• M9: 6,377,208 km (0.091 R)
• M10: 7,542,425 km (0.077 R)
• M11: 9,122,927 km (0.115 R)
• M12: 10,327,190 km (0.044 R)
• M13: 11,343,259 km (0.114 R)
• M14: 12,195,667 km (0.1 R)
• M15: 13,656,191 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.2

Radius: 12.4

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.6 AU - 2.66 AU

Year: 2108 Days

Day: 6.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,191,793 km

• M1: 154,834 km (0.096 R)
• M2: 547,229 km (0.051 R)
• M3: 1,235,828 km (0.064 R)
• M4: 1,630,318 km (0.098 R)
• M5: 2,169,768 km (0.095 R)
• M6: 2,575,926 km (0.11 R)
• M7: 2,988,217 km (0.086 R)
• M8: 3,528,266 km (0.069 R)
• M9: 4,151,640 km (0.108 R)
• M10: 4,640,975 km (0.084 R)
• M11: 5,689,506 km (0.098 R)
• M12: 7,521,631 km (0.095 R)
• M13: 8,464,846 km (0.108 R)
• M14: 9,125,620 km (0.12 R)
• M15: 10,586,144 km (0.084 R)
• M16: 11,093,729 km (0.084 R)
• M17: 12,634,139 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.9

Radius: 14

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.11 AU - 3.71 AU

Year: 4271 Days

Day: 7.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,191,793 km

• M1: 174,282 km (0.108 R)
• M2: 630,555 km (0.112 R)
• M3: 1,208,900 km (0.07 R)
• M4: 1,743,414 km (0.071 R)
• M5: 2,306,350 km (0.086 R)
• M6: 2,922,394 km (0.117 R)
• M7: 3,474,111 km (0.115 R)
• M8: 4,837,098 km (0.056 R)
• M9: 5,882,039 km (0.1 R)
• M10: 7,417,960 km (0.095 R)
• M11: 8,041,334 km (0.055 R)
• M12: 8,663,961 km (0.108 R)
• M13: 9,244,251 km (0.108 R)
• M14: 10,006,153 km (0.078 R)
• M15: 11,100,611 km (0.108 R)
• M16: 11,785,919 km (0.097 R)
• M17: 12,682,309 km (0.119 R)
• M18: 14,712,203 km (0.102 R)
• M19: 18,092,815 km (0.06 R)
• M20: 18,862,347 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.2

Radius: 10

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.89 AU - 3.93 AU

Year: 4271 Days

Day: 10.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,191,793 km

• M1: 124,465 km (0.109 R)
• M2: 496,216 km (0.043 R)
• M3: 848,818 km (0.12 R)
• M4: 1,171,651 km (0.117 R)
• M5: 2,078,812 km (0.116 R)
• M6: 2,699,194 km (0.092 R)
• M7: 3,228,023 km (0.106 R)
• M8: 3,888,198 km (0.094 R)
• M9: 4,307,671 km (0.111 R)
• M10: 5,031,724 km (0.101 R)
• M11: 5,423,072 km (0.114 R)
• M12: 6,506,460 km (0.104 R)
• M13: 7,196,406 km (0.103 R)
• M14: 8,214,868 km (0.091 R)
• M15: 8,611,601 km (0.064 R)
• M16: 9,798,661 km (0.064 R)
• M17: 10,327,788 km (0.116 R)
• M18: 11,004,868 km (0.086 R)
• M19: 12,029,913 km (0.049 R)
• M20: 13,760,311 km (0.093 R)
• M21: 14,528,048 km (0.064 R)
• M22: 14,949,016 km (0.054 R)
• M23: 17,294,561 km (0.085 R)
• M24: 17,708,050 km (0.053 R)
• M25: 18,988,308 km (0.12 R)
• M26: 19,555,434 km (0.104 R)
• M27: 21,800,449 km (0.119 R)
• M28: 23,341,457 km (0.083 R)
• M29: 24,065,510 km (0.103 R)
• M30: 24,729,725 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.1

Radius: 9.7

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.45 AU - 3.51 AU

Year: 4403 Days

Day: 7.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,191,793 km

• M1: 120,576 km (0.119 R)
• M2: 521,049 km (0.096 R)
• M3: 957,875 km (0.086 R)
• M4: 1,527,843 km (0.072 R)
• M5: 1,920,986 km (0.092 R)
• M6: 2,228,859 km (0.092 R)
• M7: 2,785,363 km (0.106 R)
• M8: 4,133,688 km (0.063 R)
• M9: 4,607,914 km (0.071 R)
• M10: 4,998,962 km (0.076 R)
• M11: 5,537,814 km (0.079 R)
• M12: 6,530,994 km (0.109 R)
• M13: 7,327,753 km (0.073 R)
• M14: 8,694,030 km (0.117 R)
• M15: 10,850,184 km (0.115 R)
• M16: 11,627,943 km (0.118 R)
• M17: 12,354,989 km (0.078 R)
• M18: 12,841,332 km (0.085 R)
• M19: 15,315,531 km (0.11 R)
• M20: 15,671,275 km (0.118 R)
• M21: 17,922,722 km (0.102 R)
• M22: 19,125,789 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 730.2

Radius: 6.9

Gravity: 15.34 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.95 AU - 6.99 AU

Year: 11162 Days

Day: 17.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,191,793 km

• M1: 105,466 km (0.106 R)
• M2: 382,522 km (0.104 R)
• M3: 685,009 km (0.117 R)
• M4: 1,132,755 km (0.1 R)
• M5: 1,976,188 km (0.116 R)
• M6: 2,707,273 km (0.064 R)
• M7: 4,690,043 km (0.073 R)
• M8: 6,086,988 km (0.08 R)
• M9: 6,427,323 km (0.081 R)
• M10: 9,623,781 km (0.051 R)
• M11: 12,501,595 km (0.091 R)
• M12: 13,427,755 km (0.074 R)
• M13: 13,939,978 km (0.056 R)
• M14: 15,003,619 km (0.108 R)
• M15: 15,416,061 km (0.077 R)
• M16: 16,335,639 km (0.095 R)
• M17: 23,821,067 km (0.101 R)
• M18: 28,983,241 km (0.113 R)
• M19: 29,515,809 km (0.076 R)
• M20: 31,936,453 km (0.098 R)
• M21: 34,367,717 km (0.119 R)
• M22: 34,605,578 km (0.105 R)
• M23: 39,856,463 km (0.108 R)
• M24: 44,760,132 km (0.12 R)
• M25: 49,443,592 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 706

Radius: 3.3

Gravity: 64.83 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 8.09 AU - 8.35 AU

Year: 15984 Days

Day: 21.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,191,793 km

• M1: 41,139 km (0.05 R)
• M2: 144,362 km (0.104 R)
• M3: 259,852 km (0.115 R)
• M4: 371,751 km (0.096 R)
• M5: 707,748 km (0.104 R)
• M6: 877,840 km (0.032 R)
• M7: 990,188 km (0.097 R)
• M8: 1,917,845 km (0.108 R)
• M9: 3,473,962 km (0.09 R)
• M10: 3,670,833 km (0.071 R)
• M11: 4,803,288 km (0.109 R)
• M12: 6,479,832 km (0.08 R)
• M13: 8,560,439 km (0.093 R)
• M14: 8,713,178 km (0.118 R)
• M15: 9,182,317 km (0.103 R)
• M16: 9,558,706 km (0.109 R)
• M17: 9,945,266 km (0.052 R)
• M18: 11,288,805 km (0.031 R)
• M19: 11,472,511 km (0.106 R)
• M20: 12,947,845 km (0.073 R)
• M21: 14,762,617 km (0.093 R)
• M22: 15,353,379 km (0.073 R)
• M23: 17,139,278 km (0.06 R)
• M24: 18,291,631 km (0.061 R)
• M25: 21,303,186 km (0.103 R)
• M26: 23,817,327 km (0.029 R)
• M27: 27,393,913 km (0.118 R)
• M28: 33,656,828 km (0.099 R)
• M29: 36,514,447 km (0.103 R)
• M30: 38,139,229 km (0.093 R)
• M31: 40,665,937 km (0.041 R)
• M32: 43,301,852 km (0.119 R)
• M33: 44,053,731 km (0.109 R)
• M34: 59,117,339 km (0.081 R)
• M35: 63,645,367 km (0.041 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: 498 - 13,541 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit