🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.2

Radius: 12

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.65 AU - 0.83 AU

Year: 432 Days

Day: 10.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,748,437 km

• M1: 149,299 km (0.049 R)
• M2: 552,315 km (0.05 R)
• M3: 1,185,114 km (0.083 R)
• M4: 1,619,995 km (0.117 R)
• M5: 2,033,484 km (0.101 R)
• M6: 2,944,236 km (0.074 R)
• M7: 3,487,426 km (0.028 R)
• M8: 4,083,723 km (0.077 R)
• M9: 4,733,127 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.6

Radius: 15

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.14 AU - 1.56 AU

Year: 1064 Days

Day: 12.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,748,437 km

• M1: 186,549 km (0.074 R)
• M2: 743,651 km (0.103 R)
• M3: 1,686,866 km (0.115 R)
• M4: 2,529,251 km (0.114 R)
• M5: 3,488,622 km (0.069 R)
• M6: 4,306,773 km (0.04 R)
• M7: 4,921,172 km (0.118 R)
• M8: 6,577,968 km (0.113 R)
• M9: 7,598,076 km (0.108 R)
• M10: 8,862,327 km (0.09 R)
• M11: 10,045,198 km (0.048 R)
• M12: 11,032,544 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.3

Radius: 9.9

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.75 AU - 2.09 AU

Year: 1804 Days

Day: 8.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,748,437 km

• M1: 123,119 km (0.093 R)
• M2: 541,694 km (0.12 R)
• M3: 970,741 km (0.102 R)
• M4: 1,683,275 km (0.073 R)
• M5: 2,160,044 km (0.1 R)
• M6: 2,652,370 km (0.113 R)
• M7: 3,925,448 km (0.119 R)
• M8: 4,282,688 km (0.079 R)
• M9: 5,195,384 km (0.075 R)
• M10: 7,874,084 km (0.117 R)
• M11: 8,182,106 km (0.025 R)
• M12: 8,794,859 km (0.106 R)
• M13: 9,267,289 km (0.105 R)
• M14: 9,785,945 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.5

Radius: 14.9

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.8 AU - 2.82 AU

Year: 2381 Days

Day: 5.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,748,437 km

• M1: 185,352 km (0.101 R)
• M2: 832,512 km (0.114 R)
• M3: 1,494,483 km (0.091 R)
• M4: 2,344,049 km (0.06 R)
• M5: 2,880,357 km (0.099 R)
• M6: 3,813,699 km (0.108 R)
• M7: 4,833,956 km (0.093 R)
• M8: 5,501,312 km (0.064 R)
• M9: 6,750,454 km (0.073 R)
• M10: 8,029,815 km (0.099 R)
• M11: 9,806,440 km (0.076 R)
• M12: 10,991,404 km (0.109 R)
• M13: 11,522,178 km (0.036 R)
• M14: 13,818,804 km (0.09 R)
• M15: 14,348,231 km (0.096 R)
• M16: 15,778,835 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.9

Radius: 12.2

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.47 AU - 5.01 AU

Year: 6999 Days

Day: 8.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 23,748,437 km

• M1: 152,440 km (0.051 R)
• M2: 659,727 km (0.118 R)
• M3: 1,203,964 km (0.073 R)
• M4: 1,688,810 km (0.041 R)
• M5: 2,202,679 km (0.044 R)
• M6: 3,001,681 km (0.082 R)
• M7: 4,086,565 km (0.036 R)
• M8: 5,202,266 km (0.04 R)
• M9: 6,797,428 km (0.075 R)
• M10: 7,589,698 km (0.047 R)
• M11: 8,526,929 km (0.11 R)
• M12: 9,677,486 km (0.099 R)
• M13: 10,979,137 km (0.074 R)
• M14: 12,016,299 km (0.062 R)
• M15: 13,117,639 km (0.116 R)
• M16: 14,165,273 km (0.118 R)
• M17: 16,229,723 km (0.113 R)
• M18: 20,869,950 km (0.105 R)
• M19: 21,496,167 km (0.068 R)
• M20: 21,973,982 km (0.059 R)
• M21: 27,896,712 km (0.073 R)
• M22: 29,333,300 km (0.098 R)
• M23: 29,724,499 km (0.032 R)
• M24: 31,121,443 km (0.063 R)
• M25: 35,908,127 km (0.049 R)
• M26: 36,807,658 km (0.108 R)
• M27: 37,263,034 km (0.063 R)
• M28: 38,768,887 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.6

Radius: 13

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.19 AU - 5.47 AU

Year: 8346 Days

Day: 13.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,748,437 km

• M1: 164,408 km (0.077 R)
• M2: 971,339 km (0.071 R)
• M3: 1,560,755 km (0.042 R)
• M4: 3,516,597 km (0.079 R)
• M5: 5,307,583 km (0.114 R)
• M6: 6,087,586 km (0.117 R)
• M7: 11,397,862 km (0.102 R)
• M8: 12,057,888 km (0.091 R)
• M9: 13,942,821 km (0.113 R)
• M10: 14,955,748 km (0.094 R)
• M11: 16,126,052 km (0.066 R)
• M12: 17,528,981 km (0.088 R)
• M13: 18,768,998 km (0.114 R)
• M14: 19,877,817 km (0.096 R)
• M15: 21,489,585 km (0.1 R)
• M16: 22,840,453 km (0.077 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 12,163 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit