🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.9

Radius: 8.3

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.13 AU - 1.27 AU

Year: 836 Days

Day: 7.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,651,316 km

• M1: 103,223 km (0.064 R)
• M2: 453,431 km (0.115 R)
• M3: 728,990 km (0.075 R)
• M4: 1,259,913 km (0.087 R)
• M5: 2,576,225 km (0.119 R)
• M6: 3,196,906 km (0.109 R)
• M7: 3,496,701 km (0.116 R)
• M8: 4,102,123 km (0.048 R)
• M9: 4,363,171 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.3

Radius: 12.1

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.84 AU - 2.16 AU

Year: 1798 Days

Day: 11.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,651,316 km

• M1: 152,291 km (0.063 R)
• M2: 652,247 km (0.117 R)
• M3: 1,243,308 km (0.057 R)
• M4: 1,789,490 km (0.111 R)
• M5: 2,282,265 km (0.083 R)
• M6: 2,728,815 km (0.117 R)
• M7: 4,801,493 km (0.084 R)
• M8: 5,991,694 km (0.106 R)
• M9: 7,614,232 km (0.108 R)
• M10: 8,250,023 km (0.112 R)
• M11: 9,627,820 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.3

Radius: 11.1

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.97 AU - 2.95 AU

Year: 2453 Days

Day: 6.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,651,316 km

• M1: 138,677 km (0.044 R)
• M2: 634,295 km (0.12 R)
• M3: 1,210,097 km (0.049 R)
• M4: 1,749,697 km (0.062 R)
• M5: 2,194,900 km (0.065 R)
• M6: 3,175,963 km (0.042 R)
• M7: 3,765,977 km (0.113 R)
• M8: 4,319,489 km (0.086 R)
• M9: 6,256,333 km (0.103 R)
• M10: 7,369,790 km (0.037 R)
• M11: 8,888,956 km (0.09 R)
• M12: 9,872,562 km (0.109 R)
• M13: 10,410,516 km (0.096 R)
• M14: 11,008,309 km (0.084 R)
• M15: 12,492,619 km (0.078 R)
• M16: 13,538,009 km (0.082 R)
• M17: 17,188,646 km (0.119 R)
• M18: 17,854,955 km (0.054 R)
• M19: 18,596,212 km (0.062 R)
• M20: 19,536,584 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.6

Radius: 9.2

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.4 AU - 3.16 AU

Year: 2947 Days

Day: 13 Hours

Environment

Temp: -200 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,651,316 km

• M1: 115,490 km (0.066 R)
• M2: 402,119 km (0.071 R)
• M3: 800,498 km (0.099 R)
• M4: 1,136,345 km (0.082 R)
• M5: 1,546,992 km (0.067 R)
• M6: 2,269,549 km (0.1 R)
• M7: 2,612,876 km (0.096 R)
• M8: 3,838,532 km (0.105 R)
• M9: 5,084,981 km (0.116 R)
• M10: 6,314,377 km (0.066 R)
• M11: 6,942,089 km (0.115 R)
• M12: 7,521,183 km (0.072 R)
• M13: 9,280,753 km (0.091 R)
• M14: 9,733,735 km (0.085 R)
• M15: 10,348,283 km (0.118 R)
• M16: 10,646,282 km (0.066 R)
• M17: 11,377,217 km (0.08 R)
• M18: 11,775,297 km (0.082 R)
• M19: 14,177,989 km (0.039 R)
• M20: 14,826,196 km (0.089 R)
• M21: 17,355,896 km (0.072 R)
• M22: 17,830,421 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.4

Radius: 3.3

Gravity: 71.11 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.82 AU - 8.24 AU

Year: 11851 Days

Day: 17.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,651,316 km

• M1: 48,470 km (0.101 R)
• M2: 823,237 km (0.065 R)
• M3: 1,475,633 km (0.066 R)
• M4: 1,787,545 km (0.104 R)
• M5: 2,179,641 km (0.065 R)
• M6: 2,499,032 km (0.101 R)
• M7: 3,305,066 km (0.107 R)
• M8: 4,640,676 km (0.102 R)
• M9: 5,515,673 km (0.071 R)
• M10: 6,777,532 km (0.03 R)
• M11: 6,900,950 km (0.11 R)
• M12: 7,323,414 km (0.117 R)
• M13: 8,742,649 km (0.118 R)
• M14: 9,388,762 km (0.078 R)
• M15: 12,600,180 km (0.038 R)
• M16: 14,080,152 km (0.079 R)
• M17: 19,289,897 km (0.046 R)
• M18: 19,956,506 km (0.067 R)
• M19: 21,958,125 km (0.07 R)
• M20: 22,138,241 km (0.119 R)
• M21: 24,667,642 km (0.087 R)
• M22: 25,452,432 km (0.117 R)
• M23: 25,651,248 km (0.049 R)
• M24: 26,152,700 km (0.093 R)
• M25: 28,651,134 km (0.095 R)
• M26: 36,837,728 km (0.064 R)
• M27: 40,236,292 km (0.112 R)
• M28: 42,707,799 km (0.043 R)
• M29: 44,987,820 km (0.08 R)
• M30: 48,101,999 km (0.12 R)
• M31: 48,253,691 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.1

Radius: 7

Gravity: 17.68 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 7.85 AU - 8.75 AU

Year: 15204 Days

Day: 18.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,651,316 km

• M1: 89,310 km (0.101 R)
• M2: 378,034 km (0.094 R)
• M3: 676,781 km (0.038 R)
• M4: 986,748 km (0.078 R)
• M5: 1,808,638 km (0.092 R)
• M6: 2,126,085 km (0.104 R)
• M7: 2,946,779 km (0.085 R)
• M8: 3,526,022 km (0.049 R)
• M9: 4,600,284 km (0.081 R)
• M10: 5,304,292 km (0.114 R)
• M11: 7,468,823 km (0.101 R)
• M12: 9,327,427 km (0.107 R)
• M13: 9,766,647 km (0.055 R)
• M14: 10,104,887 km (0.103 R)
• M15: 10,864,695 km (0.117 R)
• M16: 11,105,996 km (0.108 R)
• M17: 11,914,872 km (0.108 R)
• M18: 12,366,508 km (0.09 R)
• M19: 12,695,922 km (0.102 R)
• M20: 13,372,554 km (0.093 R)
• M21: 14,432,006 km (0.03 R)
• M22: 17,201,511 km (0.109 R)
• M23: 20,672,780 km (0.104 R)
• M24: 23,664,438 km (0.053 R)
• M25: 26,386,372 km (0.115 R)
• M26: 28,617,175 km (0.081 R)
• M27: 29,543,635 km (0.115 R)
• M28: 35,394,258 km (0.118 R)
• M29: 38,241,105 km (0.059 R)
• M30: 38,800,153 km (0.113 R)
• M31: 44,079,013 km (0.098 R)
• M32: 49,817,288 km (0.108 R)
• M33: 51,835,363 km (0.09 R)
• M34: 53,384,299 km (0.088 R)
• M35: 59,701,369 km (0.031 R)
• M36: 62,361,817 km (0.118 R)
• M37: 63,721,213 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.1

Radius: 5.2

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 10.42 AU - 10.64 AU

Year: 21726 Days

Day: 21.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,651,316 km

• M1: 68,366 km (0.105 R)
• M2: 399,127 km (0.104 R)
• M3: 711,637 km (0.056 R)
• M4: 1,092,064 km (0.12 R)
• M5: 1,494,782 km (0.119 R)
• M6: 2,548,250 km (0.107 R)
• M7: 3,910,040 km (0.068 R)
• M8: 5,553,073 km (0.047 R)
• M9: 6,847,095 km (0.118 R)
• M10: 8,330,208 km (0.074 R)
• M11: 10,014,979 km (0.095 R)
• M12: 10,715,247 km (0.119 R)
• M13: 11,679,405 km (0.086 R)
• M14: 12,454,771 km (0.109 R)
• M15: 14,173,949 km (0.114 R)
• M16: 17,002,247 km (0.099 R)
• M17: 18,627,927 km (0.097 R)
• M18: 18,868,181 km (0.03 R)
• M19: 24,791,658 km (0.087 R)
• M20: 37,010,812 km (0.114 R)
• M21: 40,794,143 km (0.108 R)
• M22: 53,190,720 km (0.06 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: 347 - 10,461 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit