🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.3

Radius: 8.2

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.62 AU - 0.7 AU

Year: 364 Days

Day: 5.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,309,678 km

• M1: 102,026 km (0.099 R)
• M2: 601,683 km (0.073 R)
• M3: 912,846 km (0.088 R)
• M4: 1,237,922 km (0.108 R)
• M5: 1,495,231 km (0.027 R)
• M6: 2,380,850 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.8

Radius: 14.9

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.7 AU - 1.1 AU

Year: 579 Days

Day: 14.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,309,678 km

• M1: 185,352 km (0.09 R)
• M2: 754,871 km (0.065 R)
• M3: 1,242,560 km (0.071 R)
• M4: 1,738,776 km (0.104 R)
• M5: 2,459,389 km (0.104 R)
• M6: 3,349,048 km (0.088 R)
• M7: 3,835,390 km (0.116 R)
• M8: 4,568,270 km (0.111 R)
• M9: 5,068,525 km (0.08 R)
• M10: 6,047,344 km (0.061 R)
• M11: 6,794,735 km (0.074 R)
• M12: 7,276,740 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276

Radius: 13.3

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.93 AU - 0.93 AU

Year: 608 Days

Day: 10.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,309,678 km

• M1: 165,455 km (0.105 R)
• M2: 821,292 km (0.084 R)
• M3: 1,493,286 km (0.056 R)
• M4: 1,932,804 km (0.084 R)
• M5: 2,450,862 km (0.089 R)
• M6: 3,998,153 km (0.067 R)
• M7: 4,534,012 km (0.03 R)
• M8: 5,365,028 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.1

Radius: 11.3

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.2 AU - 1.64 AU

Year: 1148 Days

Day: 11.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,309,678 km

• M1: 140,622 km (0.094 R)
• M2: 515,514 km (0.112 R)
• M3: 978,370 km (0.117 R)
• M4: 1,381,536 km (0.072 R)
• M5: 2,213,899 km (0.118 R)
• M6: 2,585,949 km (0.051 R)
• M7: 4,474,622 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.2

Radius: 14.1

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.47 AU - 3.89 AU

Year: 3846 Days

Day: 8.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,309,678 km

• M1: 175,329 km (0.095 R)
• M2: 626,366 km (0.112 R)
• M3: 1,597,406 km (0.062 R)
• M4: 2,451,760 km (0.103 R)
• M5: 3,140,957 km (0.103 R)
• M6: 3,698,209 km (0.088 R)
• M7: 4,368,258 km (0.087 R)
• M8: 5,171,299 km (0.081 R)
• M9: 7,039,328 km (0.076 R)
• M10: 8,036,547 km (0.05 R)
• M11: 9,125,919 km (0.12 R)
• M12: 11,689,877 km (0.102 R)
• M13: 12,888,455 km (0.066 R)
• M14: 13,749,092 km (0.057 R)
• M15: 14,756,184 km (0.113 R)
• M16: 18,073,517 km (0.081 R)
• M17: 18,575,867 km (0.043 R)
• M18: 21,788,780 km (0.118 R)
• M19: 23,083,849 km (0.102 R)
• M20: 24,812,452 km (0.111 R)
• M21: 25,985,449 km (0.106 R)
• M22: 27,031,737 km (0.118 R)
• M23: 28,022,224 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.8

Radius: 13.7

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.56 AU - 3.98 AU

Year: 4011 Days

Day: 8.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,309,678 km

• M1: 175,030 km (0.05 R)
• M2: 775,665 km (0.093 R)
• M3: 1,400,386 km (0.045 R)
• M4: 1,998,927 km (0.113 R)
• M5: 2,537,180 km (0.115 R)
• M6: 3,190,324 km (0.048 R)
• M7: 4,040,938 km (0.108 R)
• M8: 4,520,548 km (0.078 R)
• M9: 6,281,914 km (0.095 R)
• M10: 7,088,994 km (0.102 R)
• M11: 8,034,303 km (0.054 R)
• M12: 8,574,352 km (0.11 R)
• M13: 9,293,169 km (0.09 R)
• M14: 10,467,662 km (0.093 R)
• M15: 10,938,297 km (0.103 R)
• M16: 11,693,467 km (0.098 R)
• M17: 12,435,622 km (0.114 R)
• M18: 14,272,534 km (0.076 R)
• M19: 15,612,183 km (0.099 R)
• M20: 16,801,038 km (0.077 R)
• M21: 17,269,429 km (0.114 R)
• M22: 18,602,794 km (0.11 R)
• M23: 19,167,676 km (0.112 R)
• M24: 23,739,537 km (0.088 R)
• M25: 24,779,242 km (0.036 R)

Asteroid Belt

Center: 3.57 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.3

Radius: 11.7

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.78 AU - 3.96 AU

Year: 5164 Days

Day: 13.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,309,678 km

• M1: 147,952 km (0.093 R)
• M2: 556,654 km (0.105 R)
• M3: 930,499 km (0.049 R)
• M4: 1,574,667 km (0.043 R)
• M5: 1,977,833 km (0.098 R)
• M6: 2,997,941 km (0.116 R)
• M7: 3,583,019 km (0.049 R)
• M8: 5,284,694 km (0.044 R)
• M9: 6,079,358 km (0.112 R)
• M10: 7,365,750 km (0.105 R)
• M11: 7,795,994 km (0.089 R)
• M12: 8,707,045 km (0.077 R)
• M13: 9,188,451 km (0.088 R)
• M14: 11,015,340 km (0.094 R)
• M15: 11,483,731 km (0.066 R)
• M16: 12,014,355 km (0.074 R)
• M17: 13,021,148 km (0.118 R)
• M18: 15,549,203 km (0.12 R)
• M19: 22,439,381 km (0.116 R)
• M20: 24,120,263 km (0.118 R)
• M21: 26,379,041 km (0.093 R)
• M22: 27,559,817 km (0.115 R)
• M23: 27,989,911 km (0.049 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.3

Radius: 12.3

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 5.03 AU - 5.27 AU

Year: 7927 Days

Day: 12.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,309,678 km

• M1: 153,039 km (0.097 R)
• M2: 944,262 km (0.038 R)
• M3: 1,342,342 km (0.077 R)
• M4: 1,915,451 km (0.079 R)
• M5: 3,536,643 km (0.087 R)
• M6: 3,948,935 km (0.083 R)
• M7: 4,530,721 km (0.11 R)
• M8: 5,169,055 km (0.117 R)
• M9: 6,483,123 km (0.065 R)
• M10: 7,805,867 km (0.097 R)
• M11: 8,467,389 km (0.057 R)
• M12: 10,285,452 km (0.083 R)
• M13: 13,539,954 km (0.118 R)
• M14: 16,342,221 km (0.097 R)
• M15: 19,660,302 km (0.07 R)
• M16: 20,652,136 km (0.061 R)
• M17: 21,120,975 km (0.103 R)
• M18: 22,818,014 km (0.107 R)
• M19: 24,604,362 km (0.059 R)
• M20: 25,397,829 km (0.063 R)
• M21: 28,550,006 km (0.12 R)
• M22: 29,426,200 km (0.096 R)
• M23: 32,898,666 km (0.119 R)
• M24: 35,174,947 km (0.084 R)
• M25: 38,019,401 km (0.105 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716

Radius: 15

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.24 AU - 5.72 AU

Year: 8701 Days

Day: 7.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,309,678 km

• M1: 190,288 km (0.109 R)
• M2: 1,197,830 km (0.096 R)
• M3: 1,730,249 km (0.06 R)
• M4: 2,280,919 km (0.065 R)
• M5: 5,348,872 km (0.081 R)
• M6: 5,906,124 km (0.088 R)
• M7: 6,796,530 km (0.116 R)
• M8: 9,392,802 km (0.085 R)
• M9: 11,705,734 km (0.026 R)
• M10: 14,376,804 km (0.045 R)
• M11: 15,854,682 km (0.066 R)
• M12: 18,961,231 km (0.111 R)
• M13: 19,797,184 km (0.085 R)
• M14: 28,859,374 km (0.067 R)
• M15: 31,943,783 km (0.119 R)
• M16: 37,681,011 km (0.119 R)
• M17: 38,158,228 km (0.087 R)
• M18: 41,611,845 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951.8

Radius: 7.4

Gravity: 17.38 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.49 AU - 7.17 AU

Year: 10802 Days

Day: 17.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,309,678 km

• M1: 92,003 km (0.055 R)
• M2: 368,160 km (0.114 R)
• M3: 849,866 km (0.075 R)
• M4: 1,379,741 km (0.114 R)
• M5: 2,916,560 km (0.071 R)
• M6: 3,556,689 km (0.109 R)
• M7: 4,468,788 km (0.072 R)
• M8: 5,079,446 km (0.066 R)
• M9: 6,041,211 km (0.043 R)
• M10: 7,077,176 km (0.093 R)
• M11: 8,556,699 km (0.071 R)
• M12: 8,895,239 km (0.101 R)
• M13: 10,947,722 km (0.11 R)
• M14: 13,425,511 km (0.112 R)
• M15: 15,037,428 km (0.076 R)
• M16: 17,000,152 km (0.074 R)
• M17: 19,292,141 km (0.072 R)
• M18: 20,814,001 km (0.116 R)
• M19: 22,505,354 km (0.115 R)
• M20: 24,770,266 km (0.109 R)
• M21: 29,200,457 km (0.091 R)
• M22: 31,430,064 km (0.09 R)
• M23: 32,469,470 km (0.098 R)
• M24: 35,849,634 km (0.109 R)
• M25: 36,729,868 km (0.104 R)
• M26: 53,165,737 km (0.104 R)
• M27: 55,973,091 km (0.064 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 11,405 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit