🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.4

Radius: 8.7

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.76 AU - 1.18 AU

Year: 637 Days

Day: 6.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,117,607 km

• M1: 108,159 km (0.045 R)
• M2: 515,365 km (0.066 R)
• M3: 847,472 km (0.095 R)
• M4: 1,363,734 km (0.107 R)
• M5: 1,654,702 km (0.084 R)
• M6: 1,926,222 km (0.043 R)
• M7: 2,295,430 km (0.114 R)
• M8: 2,722,831 km (0.103 R)
• M9: 3,834,493 km (0.086 R)
• M10: 4,121,272 km (0.118 R)
• M11: 4,578,742 km (0.067 R)
• M12: 4,902,173 km (0.103 R)
• M13: 5,908,667 km (0.053 R)
• M14: 6,693,308 km (0.09 R)
• M15: 7,132,228 km (0.057 R)
• M16: 7,413,322 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.8

Radius: 14.9

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.99 AU - 1.23 AU

Year: 780 Days

Day: 8.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,117,607 km

• M1: 191,934 km (0.059 R)
• M2: 655,239 km (0.118 R)
• M3: 1,216,979 km (0.1 R)
• M4: 1,954,945 km (0.046 R)
• M5: 2,724,177 km (0.054 R)
• M6: 3,362,661 km (0.115 R)
• M7: 3,852,893 km (0.111 R)
• M8: 4,457,717 km (0.084 R)
• M9: 4,925,510 km (0.114 R)
• M10: 5,426,364 km (0.083 R)
• M11: 6,126,631 km (0.112 R)
• M12: 6,818,970 km (0.119 R)
• M13: 8,258,251 km (0.065 R)
• M14: 9,436,634 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.2

Radius: 11.5

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.18 AU - 1.4 AU

Year: 977 Days

Day: 9.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,117,607 km

• M1: 143,165 km (0.081 R)
• M2: 652,247 km (0.075 R)
• M3: 1,277,566 km (0.086 R)
• M4: 2,276,730 km (0.1 R)
• M5: 2,807,952 km (0.106 R)
• M6: 3,283,374 km (0.109 R)
• M7: 3,752,214 km (0.066 R)
• M8: 5,491,738 km (0.076 R)
• M9: 6,737,589 km (0.063 R)
• M10: 8,866,815 km (0.116 R)
• M11: 9,441,421 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.1

Radius: 10

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.85 AU - 2.09 AU

Year: 1844 Days

Day: 8.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,117,607 km

• M1: 124,316 km (0.067 R)
• M2: 449,990 km (0.059 R)
• M3: 920,326 km (0.118 R)
• M4: 1,304,493 km (0.078 R)
• M5: 1,776,026 km (0.109 R)
• M6: 2,662,693 km (0.06 R)
• M7: 3,138,414 km (0.092 R)
• M8: 3,653,479 km (0.087 R)
• M9: 4,098,533 km (0.088 R)
• M10: 5,522,256 km (0.096 R)
• M11: 6,346,690 km (0.101 R)
• M12: 7,172,620 km (0.048 R)
• M13: 7,516,994 km (0.041 R)
• M14: 7,928,089 km (0.097 R)
• M15: 8,267,826 km (0.068 R)
• M16: 9,439,476 km (0.108 R)
• M17: 10,147,523 km (0.045 R)
• M18: 10,514,486 km (0.071 R)
• M19: 11,453,213 km (0.096 R)
• M20: 11,814,791 km (0.102 R)
• M21: 13,062,288 km (0.062 R)

Asteroid Belt

Center: 2.56 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.9

Radius: 14.7

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.47 AU - 3.81 AU

Year: 3710 Days

Day: 12.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,117,607 km

• M1: 182,958 km (0.112 R)
• M2: 698,024 km (0.088 R)
• M3: 1,218,624 km (0.07 R)
• M4: 1,727,257 km (0.061 R)
• M5: 2,260,424 km (0.062 R)
• M6: 2,851,635 km (0.074 R)
• M7: 3,794,101 km (0.088 R)
• M8: 4,327,118 km (0.114 R)
• M9: 4,834,554 km (0.064 R)
• M10: 5,354,856 km (0.058 R)
• M11: 6,727,117 km (0.089 R)
• M12: 7,411,378 km (0.085 R)
• M13: 7,928,388 km (0.09 R)
• M14: 8,469,334 km (0.093 R)
• M15: 9,910,410 km (0.067 R)
• M16: 14,091,671 km (0.09 R)
• M17: 14,887,830 km (0.11 R)
• M18: 16,052,600 km (0.102 R)
• M19: 22,518,668 km (0.074 R)
• M20: 23,829,445 km (0.092 R)
• M21: 24,503,533 km (0.112 R)
• M22: 25,733,527 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.2

Radius: 4.3

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.55 AU - 7.41 AU

Year: 12297 Days

Day: 23.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,117,607 km

• M1: 59,241 km (0.055 R)
• M2: 254,616 km (0.112 R)
• M3: 417,528 km (0.088 R)
• M4: 560,244 km (0.117 R)
• M5: 2,250,251 km (0.101 R)
• M6: 4,132,192 km (0.113 R)
• M7: 4,589,663 km (0.106 R)
• M8: 5,193,739 km (0.114 R)
• M9: 6,491,500 km (0.118 R)
• M10: 6,761,076 km (0.076 R)
• M11: 8,261,542 km (0.099 R)
• M12: 8,699,116 km (0.11 R)
• M13: 9,448,003 km (0.066 R)
• M14: 18,485,958 km (0.062 R)
• M15: 20,284,125 km (0.035 R)
• M16: 25,698,221 km (0.034 R)
• M17: 27,318,366 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.1

Radius: 7.8

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.45 AU - 9.05 AU

Year: 15802 Days

Day: 17.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 55,117,607 km

• M1: 97,089 km (0.089 R)
• M2: 423,212 km (0.101 R)
• M3: 811,120 km (0.116 R)
• M4: 1,144,274 km (0.118 R)
• M5: 1,658,143 km (0.114 R)
• M6: 2,184,129 km (0.119 R)
• M7: 2,476,294 km (0.028 R)
• M8: 2,975,352 km (0.055 R)
• M9: 3,833,894 km (0.081 R)
• M10: 6,570,189 km (0.084 R)
• M11: 7,438,605 km (0.103 R)
• M12: 8,712,730 km (0.107 R)
• M13: 9,301,098 km (0.106 R)
• M14: 9,811,376 km (0.114 R)
• M15: 10,179,537 km (0.109 R)
• M16: 10,999,632 km (0.084 R)
• M17: 13,146,661 km (0.1 R)
• M18: 13,465,454 km (0.119 R)
• M19: 14,052,177 km (0.119 R)
• M20: 14,385,481 km (0.047 R)
• M21: 18,250,491 km (0.033 R)
• M22: 19,458,494 km (0.106 R)
• M23: 20,633,286 km (0.106 R)
• M24: 24,923,304 km (0.101 R)
• M25: 25,313,755 km (0.042 R)
• M26: 26,307,683 km (0.079 R)
• M27: 27,638,506 km (0.082 R)
• M28: 28,906,198 km (0.098 R)
• M29: 30,101,784 km (0.108 R)
• M30: 33,176,021 km (0.096 R)
• M31: 34,486,348 km (0.106 R)
• M32: 41,558,887 km (0.078 R)
• M33: 42,662,022 km (0.053 R)
• M34: 47,718,579 km (0.081 R)
• M35: 50,002,789 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: 429 - 14,381 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit