🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393

Radius: 12.8

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.54 AU - 0.72 AU

Year: 351 Days

Day: 8.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,433,779 km

• M1: 161,865 km (0.075 R)
• M2: 594,652 km (0.105 R)
• M3: 1,083,986 km (0.067 R)
• M4: 1,534,575 km (0.098 R)
• M5: 2,477,939 km (0.081 R)
• M6: 3,331,993 km (0.082 R)
• M7: 3,765,528 km (0.042 R)
• M8: 4,200,110 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.1

Radius: 8.7

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.63 AU - 0.83 AU

Year: 438 Days

Day: 6.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,433,779 km

• M1: 108,159 km (0.111 R)
• M2: 421,866 km (0.082 R)
• M3: 734,526 km (0.108 R)
• M4: 1,172,548 km (0.063 R)
• M5: 1,459,178 km (0.073 R)
• M6: 2,186,971 km (0.114 R)
• M7: 2,688,124 km (0.108 R)
• M8: 3,126,745 km (0.1 R)
• M9: 4,342,228 km (0.091 R)
• M10: 4,840,538 km (0.037 R)
• M11: 5,409,010 km (0.12 R)
• M12: 5,709,702 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.3

Radius: 14.1

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.88 AU - 1.14 AU

Year: 713 Days

Day: 14.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,433,779 km

• M1: 175,478 km (0.112 R)
• M2: 638,633 km (0.117 R)
• M3: 1,129,464 km (0.077 R)
• M4: 1,841,699 km (0.102 R)
• M5: 2,365,142 km (0.099 R)
• M6: 2,908,631 km (0.119 R)
• M7: 3,679,060 km (0.043 R)
• M8: 4,628,708 km (0.105 R)
• M9: 5,161,875 km (0.114 R)
• M10: 6,161,338 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699

Radius: 11.5

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.36 AU - 1.6 AU

Year: 1266 Days

Day: 6.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,433,779 km

• M1: 143,016 km (0.105 R)
• M2: 511,625 km (0.094 R)
• M3: 941,569 km (0.057 R)
• M4: 1,343,987 km (0.065 R)
• M5: 1,756,578 km (0.117 R)
• M6: 2,132,218 km (0.114 R)
• M7: 3,774,803 km (0.057 R)
• M8: 4,427,499 km (0.062 R)
• M9: 5,054,014 km (0.115 R)
• M10: 5,695,640 km (0.113 R)
• M11: 7,736,155 km (0.052 R)
• M12: 8,141,415 km (0.105 R)
• M13: 9,382,479 km (0.058 R)
• M14: 10,223,818 km (0.114 R)
• M15: 10,745,765 km (0.054 R)
• M16: 11,949,429 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346

Radius: 8.3

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.34 AU - 1.78 AU

Year: 1370 Days

Day: 5.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,433,779 km

• M1: 103,223 km (0.108 R)
• M2: 393,742 km (0.041 R)
• M3: 654,042 km (0.08 R)
• M4: 1,048,980 km (0.088 R)
• M5: 1,828,834 km (0.098 R)
• M6: 2,239,480 km (0.069 R)
• M7: 2,519,228 km (0.117 R)
• M8: 2,963,384 km (0.118 R)
• M9: 3,711,673 km (0.105 R)
• M10: 4,024,931 km (0.048 R)
• M11: 4,338,637 km (0.077 R)
• M12: 4,597,891 km (0.098 R)
• M13: 7,085,853 km (0.098 R)
• M14: 8,152,635 km (0.071 R)
• M15: 9,581,295 km (0.034 R)
• M16: 9,992,988 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.3

Radius: 10.5

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.38 AU - 3.1 AU

Year: 3188 Days

Day: 8.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,433,779 km

• M1: 130,599 km (0.103 R)
• M2: 583,731 km (0.118 R)
• M3: 961,914 km (0.067 R)
• M4: 1,643,632 km (0.09 R)
• M5: 2,223,922 km (0.076 R)
• M6: 2,985,525 km (0.094 R)
• M7: 3,603,065 km (0.12 R)
• M8: 4,240,202 km (0.066 R)
• M9: 4,788,927 km (0.115 R)
• M10: 5,843,293 km (0.102 R)
• M11: 6,927,429 km (0.102 R)
• M12: 7,347,649 km (0.12 R)
• M13: 8,575,100 km (0.103 R)
• M14: 9,060,096 km (0.047 R)
• M15: 9,747,648 km (0.078 R)
• M16: 10,665,431 km (0.119 R)
• M17: 11,267,712 km (0.058 R)
• M18: 12,628,155 km (0.106 R)
• M19: 14,286,447 km (0.108 R)
• M20: 14,673,756 km (0.064 R)
• M21: 15,217,843 km (0.097 R)
• M22: 16,137,122 km (0.087 R)
• M23: 16,663,557 km (0.067 R)
• M24: 18,942,980 km (0.077 R)
• M25: 19,528,955 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.2

Radius: 14.2

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.59 AU - 3.07 AU

Year: 3346 Days

Day: 7.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,433,779 km

• M1: 176,675 km (0.074 R)
• M2: 673,340 km (0.116 R)
• M3: 1,217,278 km (0.11 R)
• M4: 1,753,137 km (0.103 R)
• M5: 2,491,253 km (0.064 R)
• M6: 3,738,451 km (0.042 R)
• M7: 4,898,283 km (0.098 R)
• M8: 6,033,282 km (0.076 R)
• M9: 7,855,235 km (0.112 R)
• M10: 8,432,682 km (0.077 R)
• M11: 9,558,706 km (0.108 R)
• M12: 10,177,891 km (0.051 R)
• M13: 11,114,972 km (0.075 R)
• M14: 13,977,378 km (0.104 R)
• M15: 15,870,838 km (0.08 R)
• M16: 17,413,491 km (0.059 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.3

Radius: 14.7

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.39 AU - 3.57 AU

Year: 4563 Days

Day: 11.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,433,779 km

• M1: 182,809 km (0.12 R)
• M2: 652,696 km (0.09 R)
• M3: 1,445,265 km (0.051 R)
• M4: 2,157,500 km (0.07 R)
• M5: 2,908,033 km (0.12 R)
• M6: 4,223,148 km (0.107 R)
• M7: 4,697,523 km (0.085 R)
• M8: 5,319,700 km (0.081 R)
• M9: 7,310,998 km (0.031 R)
• M10: 7,999,148 km (0.117 R)
• M11: 8,533,661 km (0.077 R)
• M12: 9,802,700 km (0.054 R)
• M13: 11,007,561 km (0.057 R)
• M14: 12,867,960 km (0.055 R)
• M15: 17,393,296 km (0.043 R)
• M16: 18,227,902 km (0.112 R)
• M17: 19,291,842 km (0.118 R)
• M18: 21,616,294 km (0.095 R)
• M19: 24,122,058 km (0.056 R)
• M20: 25,241,499 km (0.089 R)
• M21: 26,311,872 km (0.087 R)
• M22: 28,454,861 km (0.041 R)
• M23: 30,711,994 km (0.11 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.1

Radius: 15

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.01 AU - 4.15 AU

Year: 5793 Days

Day: 13.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,433,779 km

• M1: 188,493 km (0.084 R)
• M2: 688,001 km (0.096 R)
• M3: 1,271,582 km (0.1 R)
• M4: 2,237,386 km (0.102 R)
• M5: 3,241,935 km (0.117 R)
• M6: 3,907,197 km (0.084 R)
• M7: 5,161,575 km (0.075 R)
• M8: 6,202,777 km (0.087 R)
• M9: 6,704,677 km (0.048 R)
• M10: 7,453,415 km (0.036 R)
• M11: 10,638,952 km (0.096 R)
• M12: 11,962,295 km (0.119 R)
• M13: 12,904,013 km (0.079 R)
• M14: 13,838,252 km (0.045 R)
• M15: 14,758,279 km (0.105 R)
• M16: 18,234,634 km (0.089 R)
• M17: 18,851,426 km (0.11 R)
• M18: 19,411,371 km (0.105 R)
• M19: 21,158,076 km (0.075 R)
• M20: 21,915,938 km (0.05 R)
• M21: 23,647,235 km (0.088 R)
• M22: 26,849,975 km (0.096 R)
• M23: 27,918,703 km (0.069 R)
• M24: 28,738,798 km (0.065 R)
• M25: 30,714,836 km (0.117 R)
• M26: 32,479,343 km (0.104 R)
• M27: 34,414,392 km (0.064 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 793

Radius: 3.5

Gravity: 64.73 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.76 AU - 6.54 AU

Year: 9440 Days

Day: 20.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 60.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 48,433,779 km

• M1: 51,611 km (0.118 R)
• M2: 264,938 km (0.111 R)
• M3: 407,953 km (0.119 R)
• M4: 772,673 km (0.047 R)
• M5: 884,273 km (0.076 R)
• M6: 1,614,311 km (0.074 R)
• M7: 1,996,234 km (0.118 R)
• M8: 2,118,306 km (0.069 R)
• M9: 2,514,591 km (0.086 R)
• M10: 3,003,177 km (0.118 R)
• M11: 3,282,028 km (0.077 R)
• M12: 4,165,553 km (0.103 R)
• M13: 4,753,622 km (0.096 R)
• M14: 5,632,659 km (0.119 R)
• M15: 6,165,227 km (0.077 R)
• M16: 7,536,890 km (0.086 R)
• M17: 8,006,927 km (0.078 R)
• M18: 9,387,715 km (0.069 R)
• M19: 9,931,354 km (0.052 R)
• M20: 10,919,448 km (0.073 R)
• M21: 11,688,231 km (0.119 R)
• M22: 12,968,041 km (0.107 R)
• M23: 13,892,406 km (0.111 R)
• M24: 14,338,358 km (0.111 R)
• M25: 14,793,883 km (0.099 R)
• M26: 15,393,621 km (0.043 R)
• M27: 16,570,358 km (0.11 R)
• M28: 18,945,673 km (0.085 R)
• M29: 20,295,345 km (0.075 R)
• M30: 21,453,831 km (0.116 R)
• M31: 23,184,379 km (0.113 R)
• M32: 23,631,078 km (0.105 R)
• M33: 25,192,880 km (0.114 R)
• M34: 26,724,313 km (0.101 R)
• M35: 31,798,972 km (0.091 R)
• M36: 32,907,792 km (0.057 R)
• M37: 33,020,140 km (0.075 R)
• M38: 38,841,142 km (0.109 R)
• M39: 41,010,311 km (0.081 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 12,875 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit