🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892

Radius: 13.6

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.64 AU - 1.02 AU

Year: 513 Days

Day: 6.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,555,626 km

• M1: 169,794 km (0.11 R)
• M2: 707,000 km (0.114 R)
• M3: 1,368,970 km (0.105 R)
• M4: 1,834,668 km (0.107 R)
• M5: 2,824,857 km (0.072 R)
• M6: 3,303,570 km (0.067 R)
• M7: 4,031,363 km (0.11 R)
• M8: 5,227,847 km (0.032 R)
• M9: 6,011,291 km (0.116 R)
• M10: 7,204,334 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835

Radius: 9.9

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.69 AU - 1.01 AU

Year: 532 Days

Day: 14.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,555,626 km

• M1: 123,119 km (0.093 R)
• M2: 471,981 km (0.093 R)
• M3: 1,237,324 km (0.032 R)
• M4: 2,059,215 km (0.114 R)
• M5: 2,845,800 km (0.095 R)
• M6: 3,631,189 km (0.097 R)
• M7: 4,031,962 km (0.089 R)
• M8: 4,355,542 km (0.086 R)
• M9: 4,680,469 km (0.108 R)
• M10: 5,573,867 km (0.082 R)
• M11: 5,939,185 km (0.096 R)
• M12: 6,943,735 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.9

Radius: 10.3

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.72 AU - 1.04 AU

Year: 560 Days

Day: 14.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,555,626 km

• M1: 128,804 km (0.115 R)
• M2: 457,769 km (0.111 R)
• M3: 780,003 km (0.113 R)
• M4: 1,462,618 km (0.09 R)
• M5: 1,894,807 km (0.099 R)
• M6: 2,265,061 km (0.119 R)
• M7: 2,827,549 km (0.098 R)
• M8: 3,337,977 km (0.077 R)
• M9: 5,182,818 km (0.104 R)
• M10: 5,524,051 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.6

Radius: 9.9

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1 AU - 1.04 AU

Year: 699 Days

Day: 5.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,555,626 km

• M1: 123,119 km (0.096 R)
• M2: 606,320 km (0.096 R)
• M3: 1,201,869 km (0.071 R)
• M4: 1,692,102 km (0.04 R)
• M5: 2,103,944 km (0.116 R)
• M6: 4,188,292 km (0.11 R)
• M7: 5,290,379 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.9

Radius: 8.8

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.33 AU - 1.55 AU

Year: 1172 Days

Day: 11 Hours

Environment

Temp: -180 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,555,626 km

• M1: 109,655 km (0.035 R)
• M2: 413,638 km (0.091 R)
• M3: 753,225 km (0.087 R)
• M4: 1,086,081 km (0.068 R)
• M5: 1,541,157 km (0.079 R)
• M6: 2,109,480 km (0.028 R)
• M7: 3,137,666 km (0.101 R)
• M8: 3,927,692 km (0.089 R)
• M9: 4,452,033 km (0.095 R)
• M10: 5,058,353 km (0.09 R)
• M11: 5,620,990 km (0.026 R)
• M12: 6,414,009 km (0.079 R)
• M13: 6,960,340 km (0.12 R)
• M14: 7,325,957 km (0.076 R)
• M15: 8,170,886 km (0.09 R)
• M16: 8,500,749 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.6

Radius: 9

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.81 AU - 2.97 AU

Year: 3332 Days

Day: 10 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,555,626 km

• M1: 112,049 km (0.093 R)
• M2: 450,589 km (0.092 R)
• M3: 771,925 km (0.12 R)
• M4: 1,068,727 km (0.061 R)
• M5: 1,363,884 km (0.117 R)
• M6: 1,868,477 km (0.098 R)
• M7: 2,219,584 km (0.075 R)
• M8: 2,553,336 km (0.049 R)
• M9: 2,920,599 km (0.115 R)
• M10: 4,617,637 km (0.114 R)
• M11: 5,315,362 km (0.055 R)
• M12: 6,026,401 km (0.042 R)
• M13: 6,333,675 km (0.051 R)
• M14: 7,381,907 km (0.033 R)
• M15: 7,832,047 km (0.053 R)
• M16: 8,894,341 km (0.092 R)
• M17: 9,742,561 km (0.094 R)
• M18: 10,443,128 km (0.049 R)
• M19: 11,011,002 km (0.055 R)
• M20: 11,386,792 km (0.117 R)
• M21: 11,728,024 km (0.112 R)
• M22: 14,558,715 km (0.068 R)
• M23: 15,113,723 km (0.098 R)
• M24: 17,758,614 km (0.044 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.6

Radius: 14.4

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.45 AU - 3.67 AU

Year: 4556 Days

Day: 9.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,555,626 km

• M1: 185,801 km (0.069 R)
• M2: 779,255 km (0.054 R)
• M3: 1,549,684 km (0.079 R)
• M4: 2,424,233 km (0.067 R)
• M5: 3,146,043 km (0.046 R)
• M6: 3,642,259 km (0.047 R)
• M7: 5,411,703 km (0.088 R)
• M8: 6,129,623 km (0.056 R)
• M9: 8,640,175 km (0.077 R)
• M10: 12,038,739 km (0.053 R)
• M11: 12,543,033 km (0.12 R)
• M12: 13,021,148 km (0.101 R)
• M13: 14,923,435 km (0.068 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.3

Radius: 13.6

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.49 AU - 4.79 AU

Year: 6779 Days

Day: 13.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,555,626 km

• M1: 173,234 km (0.091 R)
• M2: 708,047 km (0.098 R)
• M3: 1,381,985 km (0.052 R)
• M4: 2,081,954 km (0.061 R)
• M5: 2,567,249 km (0.076 R)
• M6: 4,797,005 km (0.085 R)
• M7: 5,654,650 km (0.118 R)
• M8: 6,120,498 km (0.113 R)
• M9: 6,893,769 km (0.105 R)
• M10: 7,344,807 km (0.096 R)
• M11: 7,844,015 km (0.111 R)
• M12: 8,454,972 km (0.101 R)
• M13: 11,007,411 km (0.025 R)
• M14: 12,228,429 km (0.088 R)
• M15: 13,292,968 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.1

Radius: 3.5

Gravity: 51.44 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.52 AU - 8.84 AU

Year: 17345 Days

Day: 21.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,555,626 km

• M1: 43,683 km (0.109 R)
• M2: 178,021 km (0.117 R)
• M3: 490,382 km (0.111 R)
• M4: 927,507 km (0.094 R)
• M5: 1,171,800 km (0.085 R)
• M6: 2,008,501 km (0.089 R)
• M7: 2,571,887 km (0.095 R)
• M8: 3,340,820 km (0.106 R)
• M9: 3,704,791 km (0.079 R)
• M10: 4,885,118 km (0.1 R)
• M11: 5,316,260 km (0.118 R)
• M12: 6,981,433 km (0.101 R)
• M13: 7,251,009 km (0.089 R)
• M14: 7,668,536 km (0.09 R)
• M15: 9,942,873 km (0.078 R)
• M16: 10,930,219 km (0.09 R)
• M17: 11,917,415 km (0.047 R)
• M18: 15,158,752 km (0.109 R)
• M19: 18,855,764 km (0.075 R)
• M20: 21,659,677 km (0.072 R)
• M21: 25,778,107 km (0.114 R)
• M22: 30,152,049 km (0.115 R)
• M23: 38,915,941 km (0.107 R)
• M24: 57,340,415 km (0.107 R)
• M25: 63,728,992 km (0.096 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.8

Radius: 6.2

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.89 AU - 10.87 AU

Year: 19485 Days

Day: 19.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,555,626 km

• M1: 77,043 km (0.118 R)
• M2: 334,202 km (0.088 R)
• M3: 539,450 km (0.104 R)
• M4: 1,056,460 km (0.107 R)
• M5: 1,362,537 km (0.054 R)
• M6: 2,330,585 km (0.08 R)
• M7: 2,604,050 km (0.119 R)
• M8: 2,969,967 km (0.09 R)
• M9: 3,861,271 km (0.057 R)
• M10: 4,214,920 km (0.064 R)
• M11: 4,719,813 km (0.041 R)
• M12: 5,055,211 km (0.114 R)
• M13: 5,370,713 km (0.05 R)
• M14: 5,963,869 km (0.11 R)
• M15: 8,630,002 km (0.114 R)
• M16: 9,234,677 km (0.118 R)
• M17: 12,061,179 km (0.1 R)
• M18: 13,403,520 km (0.107 R)
• M19: 14,213,593 km (0.053 R)
• M20: 14,421,235 km (0.104 R)
• M21: 15,344,104 km (0.093 R)
• M22: 16,305,719 km (0.097 R)
• M23: 16,839,784 km (0.118 R)
• M24: 17,306,828 km (0.059 R)
• M25: 18,348,328 km (0.104 R)
• M26: 18,759,872 km (0.103 R)
• M27: 19,261,773 km (0.108 R)
• M28: 21,906,514 km (0.089 R)
• M29: 24,287,663 km (0.116 R)
• M30: 29,669,447 km (0.103 R)
• M31: 38,010,575 km (0.091 R)
• M32: 41,011,209 km (0.111 R)
• M33: 43,726,560 km (0.109 R)
• M34: 44,313,133 km (0.08 R)
• M35: 51,766,249 km (0.098 R)
• M36: 53,752,011 km (0.083 R)
• M37: 56,304,899 km (0.098 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 14,168 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit