🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.7

Radius: 10.3

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.56 AU - 0.78 AU

Year: 385 Days

Day: 12.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,241,030 km

• M1: 128,056 km (0.104 R)
• M2: 620,083 km (0.085 R)
• M3: 940,971 km (0.1 R)
• M4: 1,456,934 km (0.047 R)
• M5: 1,902,735 km (0.105 R)
• M6: 2,263,715 km (0.058 R)
• M7: 2,632,324 km (0.095 R)
• M8: 3,400,958 km (0.11 R)
• M9: 3,728,428 km (0.094 R)
• M10: 4,102,722 km (0.041 R)
• M11: 4,655,037 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.5

Radius: 12.9

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.86 AU - 0.88 AU

Year: 570 Days

Day: 11.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 162.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 26,241,030 km

• M1: 171,738 km (0.08 R)
• M2: 735,722 km (0.082 R)
• M3: 2,144,336 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.8

Radius: 13

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.86 AU - 0.95 AU

Year: 600 Days

Day: 9.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,241,030 km

• M1: 161,715 km (0.102 R)
• M2: 707,149 km (0.102 R)
• M3: 1,190,799 km (0.087 R)
• M4: 2,057,868 km (0.084 R)
• M5: 2,580,862 km (0.074 R)
• M6: 3,076,331 km (0.059 R)
• M7: 3,583,916 km (0.092 R)
• M8: 4,161,364 km (0.112 R)
• M9: 4,676,729 km (0.066 R)
• M10: 5,890,117 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.8

Radius: 11.4

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.93 AU - 2.19 AU

Year: 2078 Days

Day: 6.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,241,030 km

• M1: 141,819 km (0.095 R)
• M2: 595,100 km (0.096 R)
• M3: 1,331,571 km (0.082 R)
• M4: 1,947,465 km (0.094 R)
• M5: 2,322,357 km (0.068 R)
• M6: 2,773,993 km (0.057 R)
• M7: 3,205,284 km (0.112 R)
• M8: 3,647,046 km (0.106 R)
• M9: 4,241,997 km (0.075 R)
• M10: 4,674,036 km (0.043 R)
• M11: 5,399,586 km (0.092 R)
• M12: 6,125,135 km (0.116 R)
• M13: 6,704,677 km (0.101 R)
• M14: 7,156,164 km (0.044 R)
• M15: 7,741,989 km (0.109 R)
• M16: 8,883,271 km (0.082 R)
• M17: 9,827,234 km (0.094 R)
• M18: 10,410,965 km (0.108 R)
• M19: 10,800,817 km (0.077 R)
• M20: 11,237,343 km (0.112 R)
• M21: 12,341,076 km (0.072 R)
• M22: 14,896,657 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.4

Radius: 8.9

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.74 AU - 2.6 AU

Year: 2247 Days

Day: 6.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,241,030 km

• M1: 111,301 km (0.071 R)
• M2: 438,322 km (0.034 R)
• M3: 816,804 km (0.027 R)
• M4: 1,420,432 km (0.09 R)
• M5: 1,713,045 km (0.101 R)
• M6: 2,046,050 km (0.045 R)
• M7: 2,409,723 km (0.087 R)
• M8: 2,961,439 km (0.11 R)
• M9: 3,299,531 km (0.079 R)
• M10: 4,297,498 km (0.111 R)
• M11: 5,002,852 km (0.08 R)
• M12: 5,853,914 km (0.092 R)
• M13: 7,224,979 km (0.028 R)
• M14: 7,869,746 km (0.092 R)
• M15: 8,221,001 km (0.065 R)
• M16: 9,209,245 km (0.118 R)
• M17: 9,665,818 km (0.109 R)
• M18: 10,873,222 km (0.116 R)
• M19: 13,878,643 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.4

Radius: 14.7

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.6 AU - 3.2 AU

Year: 3471 Days

Day: 8.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,241,030 km

• M1: 182,809 km (0.075 R)
• M2: 1,027,289 km (0.117 R)
• M3: 1,705,416 km (0.091 R)
• M4: 2,333,876 km (0.081 R)
• M5: 3,181,797 km (0.048 R)
• M6: 3,716,161 km (0.102 R)
• M7: 4,227,785 km (0.112 R)
• M8: 5,845,088 km (0.098 R)
• M9: 6,737,589 km (0.094 R)
• M10: 7,291,550 km (0.103 R)
• M11: 8,003,037 km (0.098 R)
• M12: 9,315,011 km (0.035 R)
• M13: 10,004,208 km (0.109 R)
• M14: 10,649,573 km (0.056 R)
• M15: 11,201,739 km (0.109 R)
• M16: 12,536,002 km (0.117 R)
• M17: 17,122,224 km (0.079 R)
• M18: 18,776,328 km (0.059 R)
• M19: 19,350,784 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.2

Radius: 14.3

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.05 AU - 3.15 AU

Year: 3837 Days

Day: 10 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,241,030 km

• M1: 192,981 km (0.11 R)
• M2: 914,342 km (0.111 R)
• M3: 1,581,698 km (0.092 R)
• M4: 2,388,928 km (0.089 R)
• M5: 3,051,797 km (0.108 R)
• M6: 4,079,684 km (0.078 R)
• M7: 4,980,562 km (0.105 R)
• M8: 8,121,968 km (0.115 R)
• M9: 9,346,127 km (0.119 R)
• M10: 10,044,749 km (0.074 R)
• M11: 10,558,618 km (0.06 R)
• M12: 11,180,496 km (0.096 R)
• M13: 13,863,384 km (0.084 R)
• M14: 14,447,564 km (0.077 R)
• M15: 15,893,876 km (0.109 R)
• M16: 20,064,066 km (0.051 R)
• M17: 25,382,720 km (0.081 R)
• M18: 28,492,410 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.4

Radius: 12.4

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.45 AU - 5.17 AU

Year: 7415 Days

Day: 13.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,241,030 km

• M1: 154,684 km (0.036 R)
• M2: 702,661 km (0.119 R)
• M3: 1,108,819 km (0.081 R)
• M4: 1,642,884 km (0.037 R)
• M5: 2,777,135 km (0.056 R)
• M6: 4,494,369 km (0.044 R)
• M7: 7,154,219 km (0.097 R)
• M8: 8,798,748 km (0.11 R)
• M9: 9,570,075 km (0.106 R)
• M10: 11,425,837 km (0.062 R)
• M11: 11,833,192 km (0.116 R)
• M12: 13,113,899 km (0.092 R)
• M13: 14,172,453 km (0.064 R)
• M14: 16,689,138 km (0.1 R)
• M15: 21,752,428 km (0.112 R)
• M16: 22,591,074 km (0.089 R)
• M17: 24,110,539 km (0.074 R)
• M18: 25,697,025 km (0.071 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 13,075 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit