🌌 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: 941.4

Radius: 13.6

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.61 AU - 0.95 AU

Year: 452 Days

Day: 10.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,937,165 km

• M1: 169,195 km (0.086 R)
• M2: 633,547 km (0.087 R)
• M3: 1,074,861 km (0.105 R)
• M4: 1,523,056 km (0.104 R)
• M5: 2,449,665 km (0.03 R)
• M6: 3,006,169 km (0.104 R)
• M7: 3,790,511 km (0.039 R)
• M8: 4,847,719 km (0.069 R)
• M9: 5,644,477 km (0.067 R)
• M10: 6,279,071 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.1

Radius: 13.9

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.91 AU - 1.17 AU

Year: 696 Days

Day: 13.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,937,165 km

• M1: 173,683 km (0.026 R)
• M2: 647,908 km (0.026 R)
• M3: 1,181,524 km (0.092 R)
• M4: 1,625,830 km (0.097 R)
• M5: 2,240,378 km (0.065 R)
• M6: 2,961,439 km (0.08 R)
• M7: 3,499,094 km (0.078 R)
• M8: 4,044,079 km (0.086 R)
• M9: 5,570,127 km (0.111 R)
• M10: 6,219,980 km (0.072 R)
• M11: 7,365,152 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.6

Radius: 11.5

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.08 AU - 1.72 AU

Year: 1087 Days

Day: 7.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,937,165 km

• M1: 143,016 km (0.068 R)
• M2: 540,946 km (0.082 R)
• M3: 1,103,583 km (0.108 R)
• M4: 1,641,837 km (0.074 R)
• M5: 2,240,079 km (0.119 R)
• M6: 3,326,608 km (0.119 R)
• M7: 3,732,317 km (0.087 R)
• M8: 4,238,856 km (0.106 R)
• M9: 5,761,463 km (0.105 R)
• M10: 6,215,642 km (0.06 R)
• M11: 6,905,887 km (0.081 R)
• M12: 8,856,194 km (0.107 R)
• M13: 9,257,415 km (0.106 R)
• M14: 9,821,399 km (0.083 R)
• M15: 10,189,261 km (0.066 R)
• M16: 10,855,270 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.6

Radius: 9.8

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.69 AU - 1.95 AU

Year: 1611 Days

Day: 11.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,937,165 km

• M1: 122,221 km (0.073 R)
• M2: 511,176 km (0.088 R)
• M3: 841,039 km (0.119 R)
• M4: 1,405,921 km (0.079 R)
• M5: 2,097,362 km (0.093 R)
• M6: 2,442,784 km (0.104 R)
• M7: 3,911,087 km (0.1 R)
• M8: 4,405,508 km (0.083 R)
• M9: 5,178,330 km (0.095 R)
• M10: 5,577,757 km (0.088 R)
• M11: 5,916,297 km (0.082 R)
• M12: 6,460,384 km (0.031 R)
• M13: 7,528,662 km (0.098 R)
• M14: 8,269,621 km (0.11 R)
• M15: 9,058,450 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.7

Radius: 11.9

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.57 AU - 2.31 AU

Year: 1773 Days

Day: 9.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,937,165 km

• M1: 147,952 km (0.093 R)
• M2: 540,198 km (0.119 R)
• M3: 1,084,734 km (0.11 R)
• M4: 1,565,841 km (0.12 R)
• M5: 1,953,299 km (0.081 R)
• M6: 2,393,117 km (0.106 R)
• M7: 2,773,245 km (0.091 R)
• M8: 3,623,859 km (0.112 R)
• M9: 4,239,005 km (0.114 R)
• M10: 4,700,215 km (0.119 R)
• M11: 5,411,254 km (0.079 R)
• M12: 6,387,081 km (0.088 R)
• M13: 6,865,495 km (0.059 R)
• M14: 8,535,606 km (0.075 R)
• M15: 8,992,478 km (0.068 R)
• M16: 9,922,228 km (0.055 R)
• M17: 11,637,218 km (0.097 R)
• M18: 12,048,014 km (0.073 R)
• M19: 12,429,788 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823

Radius: 11.4

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.02 AU - 2.08 AU

Year: 1925 Days

Day: 10.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,937,165 km

• M1: 145,409 km (0.084 R)
• M2: 601,234 km (0.082 R)
• M3: 961,166 km (0.111 R)
• M4: 1,346,082 km (0.11 R)
• M5: 1,760,617 km (0.061 R)
• M6: 2,497,387 km (0.084 R)
• M7: 3,053,592 km (0.095 R)
• M8: 3,429,382 km (0.105 R)
• M9: 3,928,889 km (0.103 R)
• M10: 4,579,490 km (0.114 R)
• M11: 5,510,288 km (0.048 R)
• M12: 6,969,615 km (0.114 R)
• M13: 7,864,210 km (0.118 R)
• M14: 8,672,039 km (0.118 R)
• M15: 9,030,176 km (0.053 R)
• M16: 10,093,069 km (0.102 R)
• M17: 11,047,055 km (0.077 R)
• M18: 11,940,304 km (0.099 R)
• M19: 12,755,612 km (0.107 R)
• M20: 14,092,269 km (0.077 R)
• M21: 16,293,602 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.7

Radius: 9.3

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.03 AU - 5.83 AU

Year: 7181 Days

Day: 13.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,937,165 km

• M1: 115,639 km (0.117 R)
• M2: 410,796 km (0.107 R)
• M3: 744,100 km (0.09 R)
• M4: 1,354,459 km (0.116 R)
• M5: 2,253,094 km (0.106 R)
• M6: 2,754,246 km (0.097 R)
• M7: 3,620,568 km (0.077 R)
• M8: 9,216,126 km (0.076 R)
• M9: 10,592,726 km (0.1 R)
• M10: 13,634,799 km (0.06 R)
• M11: 14,154,053 km (0.063 R)
• M12: 14,866,588 km (0.115 R)
• M13: 15,540,825 km (0.087 R)
• M14: 19,006,409 km (0.103 R)
• M15: 27,329,437 km (0.074 R)
• M16: 28,620,765 km (0.086 R)
• M17: 29,376,683 km (0.11 R)
• M18: 30,437,632 km (0.094 R)
• M19: 31,424,230 km (0.044 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 810.5

Radius: 5.9

Gravity: 23.28 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 8.19 AU - 12.41 AU

Year: 21685 Days

Day: 17.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 84,937,165 km

• M1: 76,744 km (0.11 R)
• M2: 365,617 km (0.093 R)
• M3: 772,823 km (0.052 R)
• M4: 1,014,423 km (0.113 R)
• M5: 1,399,338 km (0.109 R)
• M6: 2,037,822 km (0.094 R)
• M7: 2,725,823 km (0.098 R)
• M8: 2,986,572 km (0.115 R)
• M9: 3,680,856 km (0.119 R)
• M10: 4,234,069 km (0.089 R)
• M11: 7,351,838 km (0.117 R)
• M12: 8,496,411 km (0.118 R)
• M13: 8,940,567 km (0.043 R)
• M14: 14,269,692 km (0.091 R)
• M15: 17,238,163 km (0.08 R)
• M16: 20,006,621 km (0.117 R)
• M17: 21,293,312 km (0.052 R)
• M18: 22,424,422 km (0.042 R)
• M19: 22,634,158 km (0.078 R)
• M20: 24,582,371 km (0.114 R)
• M21: 25,256,010 km (0.079 R)
• M22: 25,826,576 km (0.09 R)
• M23: 26,757,225 km (0.055 R)
• M24: 27,951,913 km (0.114 R)
• M25: 30,447,056 km (0.093 R)
• M26: 42,553,264 km (0.074 R)
• M27: 45,508,420 km (0.115 R)
• M28: 47,725,760 km (0.048 R)
• M29: 50,014,009 km (0.049 R)
• M30: 52,006,653 km (0.05 R)
• M31: 53,863,461 km (0.105 R)
• M32: 56,342,747 km (0.112 R)
• M33: 66,371,489 km (0.076 R)
• M34: 67,021,492 km (0.112 R)
• M35: 67,239,157 km (0.1 R)
• M36: 70,110,987 km (0.062 R)
• M37: 72,146,266 km (0.077 R)
• M38: 78,247,166 km (0.039 R)
• M39: 79,946,448 km (0.116 R)
• M40: 80,436,531 km (0.037 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: 419 - 13,801 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit