🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.9

Radius: 13.1

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.62 AU - 0.82 AU

Year: 407 Days

Day: 6.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,309,198 km

• M1: 162,912 km (0.091 R)
• M2: 578,046 km (0.106 R)
• M3: 1,060,051 km (0.085 R)
• M4: 1,811,032 km (0.041 R)
• M5: 2,252,794 km (0.033 R)
• M6: 3,048,206 km (0.107 R)
• M7: 3,800,833 km (0.084 R)
• M8: 4,386,958 km (0.118 R)
• M9: 4,974,279 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.6

Radius: 12.7

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.79 AU - 0.93 AU

Year: 532 Days

Day: 6.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,309,198 km

• M1: 158,275 km (0.08 R)
• M2: 589,565 km (0.085 R)
• M3: 1,049,130 km (0.086 R)
• M4: 1,581,997 km (0.106 R)
• M5: 2,090,181 km (0.081 R)
• M6: 2,768,757 km (0.101 R)
• M7: 3,190,175 km (0.075 R)
• M8: 3,730,821 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.8

Radius: 10.8

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.99 AU - 2.11 AU

Year: 1957 Days

Day: 10.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,309,198 km

• M1: 143,016 km (0.107 R)
• M2: 628,311 km (0.084 R)
• M3: 1,225,057 km (0.055 R)
• M4: 2,657,307 km (0.072 R)
• M5: 3,018,586 km (0.074 R)
• M6: 4,847,420 km (0.068 R)
• M7: 5,304,591 km (0.111 R)
• M8: 5,813,074 km (0.093 R)
• M9: 6,699,441 km (0.116 R)
• M10: 7,867,950 km (0.098 R)
• M11: 9,323,837 km (0.096 R)
• M12: 10,132,264 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248

Radius: 14.5

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.37 AU - 2.37 AU

Year: 2433 Days

Day: 12.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,309,198 km

• M1: 180,565 km (0.042 R)
• M2: 639,531 km (0.102 R)
• M3: 1,181,524 km (0.108 R)
• M4: 1,725,611 km (0.051 R)
• M5: 2,202,829 km (0.096 R)
• M6: 2,703,383 km (0.12 R)
• M7: 3,295,491 km (0.071 R)
• M8: 3,854,240 km (0.115 R)
• M9: 4,802,092 km (0.097 R)
• M10: 5,352,911 km (0.032 R)
• M11: 6,129,922 km (0.07 R)
• M12: 6,582,456 km (0.095 R)
• M13: 7,609,146 km (0.112 R)
• M14: 8,476,215 km (0.059 R)
• M15: 10,143,184 km (0.117 R)
• M16: 12,241,743 km (0.043 R)
• M17: 13,235,821 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.6

Radius: 13.7

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.07 AU - 5.91 AU

Year: 8578 Days

Day: 12.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 84,309,198 km

• M1: 172,187 km (0.11 R)
• M2: 626,965 km (0.103 R)
• M3: 1,136,196 km (0.12 R)
• M4: 2,242,921 km (0.11 R)
• M5: 3,199,450 km (0.102 R)
• M6: 4,526,084 km (0.082 R)
• M7: 6,372,271 km (0.052 R)
• M8: 8,324,523 km (0.096 R)
• M9: 9,701,272 km (0.059 R)
• M10: 11,493,604 km (0.073 R)
• M11: 12,727,936 km (0.089 R)
• M12: 13,257,513 km (0.115 R)
• M13: 13,863,384 km (0.053 R)
• M14: 14,806,748 km (0.106 R)
• M15: 15,658,409 km (0.059 R)
• M16: 17,388,060 km (0.08 R)
• M17: 18,188,259 km (0.087 R)
• M18: 18,634,958 km (0.088 R)
• M19: 23,339,512 km (0.066 R)
• M20: 27,107,134 km (0.033 R)
• M21: 32,337,225 km (0.115 R)
• M22: 34,559,950 km (0.079 R)
• M23: 35,131,265 km (0.072 R)
• M24: 35,824,950 km (0.073 R)
• M25: 36,645,943 km (0.085 R)
• M26: 37,359,525 km (0.079 R)
• M27: 39,930,514 km (0.086 R)
• M28: 43,938,091 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.1

Radius: 14.2

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.41 AU - 6.77 AU

Year: 8813 Days

Day: 8.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,309,198 km

• M1: 176,675 km (0.116 R)
• M2: 678,726 km (0.06 R)
• M3: 1,191,248 km (0.072 R)
• M4: 2,001,171 km (0.068 R)
• M5: 2,458,342 km (0.095 R)
• M6: 2,965,030 km (0.118 R)
• M7: 4,166,749 km (0.092 R)
• M8: 5,073,462 km (0.037 R)
• M9: 5,870,370 km (0.071 R)
• M10: 6,897,958 km (0.053 R)
• M11: 7,836,385 km (0.109 R)
• M12: 9,728,948 km (0.066 R)
• M13: 10,807,549 km (0.114 R)
• M14: 16,064,567 km (0.085 R)
• M15: 18,503,013 km (0.114 R)
• M16: 19,772,500 km (0.114 R)
• M17: 21,019,698 km (0.114 R)
• M18: 26,258,765 km (0.061 R)
• M19: 27,478,286 km (0.077 R)
• M20: 28,637,072 km (0.03 R)
• M21: 29,727,790 km (0.11 R)
• M22: 31,886,786 km (0.053 R)
• M23: 35,487,756 km (0.069 R)
• M24: 37,562,081 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 82.7

Radius: 4.5

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.45 AU - 8.05 AU

Year: 11695 Days

Day: 16.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,309,198 km

• M1: 55,950 km (0.061 R)
• M2: 358,885 km (0.051 R)
• M3: 584,030 km (0.082 R)
• M4: 931,995 km (0.064 R)
• M5: 1,945,072 km (0.092 R)
• M6: 3,831,351 km (0.072 R)
• M7: 5,363,383 km (0.056 R)
• M8: 9,973,092 km (0.119 R)
• M9: 10,432,656 km (0.083 R)
• M10: 17,634,896 km (0.045 R)
• M11: 18,868,181 km (0.053 R)
• M12: 20,356,081 km (0.113 R)
• M13: 22,412,005 km (0.114 R)
• M14: 25,749,085 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.3

Radius: 3.3

Gravity: 20.32 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 7.08 AU - 11.42 AU

Year: 18760 Days

Day: 19.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 84,309,198 km

• M1: 56,698 km (0.079 R)
• M2: 400,473 km (0.061 R)
• M3: 595,400 km (0.09 R)
• M4: 1,047,035 km (0.066 R)
• M5: 1,603,540 km (0.049 R)
• M6: 1,725,611 km (0.104 R)
• M7: 1,920,388 km (0.109 R)
• M8: 2,296,477 km (0.118 R)
• M9: 2,938,401 km (0.11 R)
• M10: 3,052,096 km (0.096 R)
• M11: 4,626,613 km (0.116 R)
• M12: 5,099,642 km (0.113 R)
• M13: 6,252,144 km (0.118 R)
• M14: 6,789,799 km (0.067 R)
• M15: 6,908,878 km (0.089 R)
• M16: 8,586,768 km (0.118 R)
• M17: 10,307,592 km (0.077 R)
• M18: 14,024,052 km (0.076 R)
• M19: 16,677,769 km (0.119 R)
• M20: 22,951,455 km (0.078 R)
• M21: 23,946,131 km (0.047 R)
• M22: 27,201,680 km (0.071 R)
• M23: 28,623,757 km (0.112 R)
• M24: 29,775,212 km (0.076 R)
• M25: 31,504,863 km (0.094 R)
• M26: 35,878,506 km (0.073 R)
• M27: 47,668,165 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257

Radius: 6.2

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 8.7 AU - 10.32 AU

Year: 19557 Days

Day: 16.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 84,309,198 km

• M1: 77,043 km (0.105 R)
• M2: 302,337 km (0.115 R)
• M3: 549,024 km (0.03 R)
• M4: 1,127,968 km (0.11 R)
• M5: 1,435,092 km (0.045 R)
• M6: 1,732,643 km (0.108 R)
• M7: 1,947,615 km (0.043 R)
• M8: 2,332,829 km (0.096 R)
• M9: 2,767,710 km (0.106 R)
• M10: 3,304,318 km (0.093 R)
• M11: 5,682,326 km (0.103 R)
• M12: 6,047,644 km (0.104 R)
• M13: 7,800,332 km (0.052 R)
• M14: 10,556,374 km (0.063 R)
• M15: 10,885,489 km (0.095 R)
• M16: 13,194,532 km (0.085 R)
• M17: 14,767,105 km (0.101 R)
• M18: 15,739,940 km (0.109 R)
• M19: 18,515,579 km (0.107 R)
• M20: 18,754,038 km (0.119 R)
• M21: 19,156,007 km (0.098 R)
• M22: 22,043,097 km (0.101 R)
• M23: 22,310,877 km (0.107 R)
• M24: 25,013,512 km (0.12 R)
• M25: 26,695,142 km (0.049 R)
• M26: 31,507,855 km (0.048 R)
• M27: 31,847,741 km (0.12 R)
• M28: 36,993,758 km (0.12 R)
• M29: 40,093,725 km (0.049 R)
• M30: 41,029,460 km (0.07 R)
• M31: 41,299,484 km (0.102 R)
• M32: 43,783,258 km (0.104 R)
• M33: 48,141,044 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.6

Radius: 6.6

Gravity: 18.4 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 9.42 AU - 10.88 AU

Year: 21564 Days

Day: 23.1 Hours

Environment

Temp: -244 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 84,309,198 km

• M1: 82,129 km (0.072 R)
• M2: 408,103 km (0.107 R)
• M3: 862,133 km (0.113 R)
• M4: 2,011,343 km (0.044 R)
• M5: 2,946,779 km (0.099 R)
• M6: 3,305,664 km (0.064 R)
• M7: 3,786,920 km (0.112 R)
• M8: 5,273,026 km (0.084 R)
• M9: 5,760,565 km (0.095 R)
• M10: 6,145,630 km (0.038 R)
• M11: 6,411,914 km (0.034 R)
• M12: 6,639,602 km (0.101 R)
• M13: 7,015,093 km (0.029 R)
• M14: 9,870,468 km (0.109 R)
• M15: 10,865,144 km (0.109 R)
• M16: 13,418,630 km (0.086 R)
• M17: 14,172,005 km (0.061 R)
• M18: 16,686,446 km (0.063 R)
• M19: 18,093,862 km (0.05 R)
• M20: 18,549,388 km (0.087 R)
• M21: 18,826,443 km (0.084 R)
• M22: 24,297,088 km (0.09 R)
• M23: 25,188,242 km (0.051 R)
• M24: 33,799,545 km (0.09 R)
• M25: 34,490,387 km (0.07 R)
• M26: 34,769,388 km (0.113 R)
• M27: 40,206,223 km (0.093 R)
• M28: 42,723,058 km (0.12 R)
• M29: 45,845,913 km (0.062 R)
• M30: 51,262,254 km (0.094 R)
• M31: 56,314,473 km (0.102 R)
• M32: 70,039,778 km (0.111 R)
• M33: 70,711,772 km (0.116 R)
• M34: 71,162,062 km (0.113 R)
• M35: 71,841,236 km (0.026 R)
• M36: 76,242,854 km (0.115 R)
• M37: 77,191,903 km (0.086 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 11,980 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit