🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528

Radius: 14.1

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.52 AU - 0.62 AU

Year: 287 Days

Day: 8.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,909,109 km

• M1: 175,329 km (0.062 R)
• M2: 619,784 km (0.118 R)
• M3: 1,061,846 km (0.06 R)
• M4: 1,948,063 km (0.055 R)
• M5: 2,580,414 km (0.083 R)
• M6: 3,167,137 km (0.106 R)
• M7: 3,632,236 km (0.098 R)
• M8: 4,107,658 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.3

Radius: 10.5

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.15 AU - 2.83 AU

Year: 2620 Days

Day: 10.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,909,109 km

• M1: 132,693 km (0.074 R)
• M2: 482,004 km (0.088 R)
• M3: 850,314 km (0.05 R)
• M4: 1,511,238 km (0.094 R)
• M5: 2,662,842 km (0.081 R)
• M6: 3,504,629 km (0.111 R)
• M7: 3,918,866 km (0.055 R)
• M8: 4,515,013 km (0.094 R)
• M9: 5,533,775 km (0.052 R)
• M10: 5,966,262 km (0.107 R)
• M11: 6,311,983 km (0.077 R)
• M12: 8,117,629 km (0.088 R)
• M13: 9,297,059 km (0.085 R)
• M14: 10,819,816 km (0.109 R)
• M15: 12,119,073 km (0.112 R)
• M16: 13,159,825 km (0.079 R)
• M17: 14,686,621 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.3

Radius: 14.4

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.12 AU - 4.5 AU

Year: 4959 Days

Day: 7.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,909,109 km

• M1: 179,517 km (0.09 R)
• M2: 747,690 km (0.119 R)
• M3: 1,539,811 km (0.099 R)
• M4: 2,235,740 km (0.094 R)
• M5: 3,039,081 km (0.051 R)
• M6: 4,472,079 km (0.119 R)
• M7: 5,153,347 km (0.067 R)
• M8: 5,604,535 km (0.065 R)
• M9: 7,091,388 km (0.102 R)
• M10: 7,834,590 km (0.084 R)
• M11: 8,761,199 km (0.099 R)
• M12: 9,303,192 km (0.115 R)
• M13: 10,718,388 km (0.065 R)
• M14: 12,273,009 km (0.106 R)
• M15: 13,170,148 km (0.082 R)
• M16: 14,064,743 km (0.094 R)
• M17: 14,714,746 km (0.054 R)
• M18: 15,433,564 km (0.113 R)
• M19: 16,125,304 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.9

Radius: 13.1

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.75 AU - 3.97 AU

Year: 5057 Days

Day: 13.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,909,109 km

• M1: 162,912 km (0.028 R)
• M2: 753,824 km (0.064 R)
• M3: 1,296,116 km (0.081 R)
• M4: 1,763,460 km (0.113 R)
• M5: 2,312,185 km (0.1 R)
• M6: 2,861,508 km (0.036 R)
• M7: 3,781,685 km (0.027 R)
• M8: 4,498,707 km (0.097 R)
• M9: 5,248,043 km (0.069 R)
• M10: 7,633,231 km (0.064 R)
• M11: 10,990,656 km (0.115 R)
• M12: 14,316,516 km (0.072 R)
• M13: 15,638,961 km (0.091 R)
• M14: 20,948,489 km (0.078 R)
• M15: 21,899,782 km (0.113 R)
• M16: 23,653,069 km (0.048 R)
• M17: 24,364,108 km (0.114 R)
• M18: 25,745,943 km (0.049 R)
• M19: 27,697,896 km (0.077 R)
• M20: 29,202,552 km (0.119 R)
• M21: 30,668,012 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.9

Radius: 10.3

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.23 AU - 4.77 AU

Year: 5335 Days

Day: 13.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,909,109 km

• M1: 167,550 km (0.106 R)
• M2: 999,613 km (0.11 R)
• M3: 1,686,716 km (0.045 R)
• M4: 2,058,317 km (0.089 R)
• M5: 2,543,313 km (0.105 R)
• M6: 4,031,064 km (0.038 R)
• M7: 5,095,303 km (0.029 R)
• M8: 7,442,943 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.4

Radius: 13.3

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.09 AU - 4.53 AU

Year: 5967 Days

Day: 15 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,909,109 km

• M1: 165,605 km (0.097 R)
• M2: 660,624 km (0.105 R)
• M3: 1,325,886 km (0.103 R)
• M4: 2,674,660 km (0.047 R)
• M5: 3,648,991 km (0.025 R)
• M6: 4,672,241 km (0.098 R)
• M7: 5,455,236 km (0.067 R)
• M8: 8,596,642 km (0.083 R)
• M9: 9,055,010 km (0.104 R)
• M10: 10,358,007 km (0.09 R)
• M11: 12,884,416 km (0.059 R)
• M12: 15,515,543 km (0.056 R)
• M13: 16,544,926 km (0.062 R)
• M14: 18,803,256 km (0.11 R)
• M15: 21,818,401 km (0.045 R)
• M16: 27,373,119 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.8

Radius: 7

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.29 AU - 7.17 AU

Year: 11643 Days

Day: 24.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,909,109 km

• M1: 87,066 km (0.1 R)
• M2: 458,218 km (0.06 R)
• M3: 806,033 km (0.097 R)
• M4: 3,098,471 km (0.04 R)
• M5: 3,818,336 km (0.115 R)
• M6: 4,700,215 km (0.118 R)
• M7: 9,696,186 km (0.062 R)
• M8: 10,250,446 km (0.114 R)
• M9: 12,953,680 km (0.106 R)
• M10: 13,568,976 km (0.113 R)
• M11: 13,855,007 km (0.1 R)
• M12: 14,737,335 km (0.093 R)
• M13: 16,226,133 km (0.106 R)
• M14: 17,406,610 km (0.09 R)
• M15: 20,084,711 km (0.077 R)
• M16: 24,261,783 km (0.081 R)
• M17: 27,225,915 km (0.118 R)
• M18: 28,513,653 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862.7

Radius: 7.3

Gravity: 16.19 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 7.05 AU - 8.65 AU

Year: 14667 Days

Day: 17.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,909,109 km

• M1: 94,695 km (0.1 R)
• M2: 424,409 km (0.09 R)
• M3: 1,024,895 km (0.102 R)
• M4: 1,603,240 km (0.094 R)
• M5: 2,021,516 km (0.093 R)
• M6: 3,001,232 km (0.051 R)
• M7: 4,329,512 km (0.074 R)
• M8: 5,141,380 km (0.095 R)
• M9: 5,736,480 km (0.119 R)
• M10: 6,501,673 km (0.062 R)
• M11: 7,242,332 km (0.105 R)
• M12: 8,332,302 km (0.041 R)
• M13: 9,473,584 km (0.116 R)
• M14: 11,560,325 km (0.026 R)
• M15: 13,450,345 km (0.037 R)
• M16: 17,830,869 km (0.095 R)
• M17: 23,077,416 km (0.068 R)
• M18: 23,773,046 km (0.108 R)
• M19: 27,906,136 km (0.086 R)
• M20: 30,082,935 km (0.053 R)
• M21: 32,742,037 km (0.087 R)
• M22: 33,493,617 km (0.103 R)
• M23: 33,873,745 km (0.066 R)
• M24: 36,347,795 km (0.082 R)
• M25: 36,749,166 km (0.028 R)
• M26: 44,032,787 km (0.119 R)
• M27: 49,388,540 km (0.105 R)
• M28: 49,716,459 km (0.082 R)
• M29: 56,942,934 km (0.049 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.3

Radius: 3.5

Gravity: 32.02 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 8.04 AU - 12.7 AU

Year: 22269 Days

Day: 18 Hours

Environment

Temp: -230 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 58,909,109 km

• M1: 44,281 km (0.082 R)
• M2: 154,983 km (0.079 R)
• M3: 326,572 km (0.118 R)
• M4: 439,219 km (0.051 R)
• M5: 578,046 km (0.098 R)
• M6: 1,320,351 km (0.097 R)
• M7: 1,454,241 km (0.102 R)
• M8: 1,856,809 km (0.086 R)
• M9: 2,976,998 km (0.049 R)
• M10: 3,130,036 km (0.058 R)
• M11: 3,649,590 km (0.113 R)
• M12: 5,214,383 km (0.075 R)
• M13: 5,901,187 km (0.107 R)
• M14: 6,266,356 km (0.096 R)
• M15: 6,820,167 km (0.119 R)
• M16: 7,639,814 km (0.118 R)
• M17: 8,625,215 km (0.119 R)
• M18: 8,936,678 km (0.118 R)
• M19: 11,146,089 km (0.055 R)
• M20: 15,516,890 km (0.079 R)
• M21: 17,577,451 km (0.107 R)
• M22: 19,106,341 km (0.066 R)
• M23: 19,992,858 km (0.116 R)
• M24: 24,016,442 km (0.095 R)
• M25: 28,547,612 km (0.096 R)
• M26: 32,858,424 km (0.115 R)
• M27: 34,775,820 km (0.059 R)
• M28: 35,695,398 km (0.075 R)
• M29: 36,496,645 km (0.085 R)
• M30: 39,112,513 km (0.08 R)
• M31: 39,678,741 km (0.118 R)
• M32: 41,998,256 km (0.083 R)
• M33: 42,890,906 km (0.119 R)
• M34: 45,800,884 km (0.118 R)
• M35: 49,167,285 km (0.11 R)
• M36: 53,039,327 km (0.112 R)
• M37: 54,432,382 km (0.094 R)
• M38: 61,193,159 km (0.073 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.6

Radius: 4.9

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 9.09 AU - 12.85 AU

Year: 24229 Days

Day: 19.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,909,109 km

• M1: 64,177 km (0.092 R)
• M2: 1,002,755 km (0.064 R)
• M3: 1,245,103 km (0.038 R)
• M4: 1,556,416 km (0.089 R)
• M5: 1,917,845 km (0.085 R)
• M6: 8,193,027 km (0.082 R)
• M7: 9,327,427 km (0.067 R)
• M8: 10,788,101 km (0.049 R)
• M9: 13,950,749 km (0.119 R)
• M10: 24,887,551 km (0.106 R)
• M11: 39,349,626 km (0.052 R)
• M12: 43,970,105 km (0.111 R)
• M13: 52,288,944 km (0.066 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 16,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit