🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.8

Radius: 9.6

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.66 AU - 0.94 AU

Year: 477 Days

Day: 11.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,389,682 km

• M1: 119,379 km (0.078 R)
• M2: 423,811 km (0.054 R)
• M3: 1,107,623 km (0.09 R)
• M4: 1,579,006 km (0.07 R)
• M5: 1,903,334 km (0.109 R)
• M6: 2,207,915 km (0.112 R)
• M7: 2,721,335 km (0.106 R)
• M8: 3,228,322 km (0.095 R)
• M9: 3,613,387 km (0.117 R)
• M10: 5,436,835 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.1

Radius: 12.5

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.67 AU - 1.01 AU

Year: 513 Days

Day: 9.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,389,682 km

• M1: 156,180 km (0.082 R)
• M2: 549,323 km (0.076 R)
• M3: 1,248,095 km (0.094 R)
• M4: 1,653,505 km (0.065 R)
• M5: 2,148,375 km (0.118 R)
• M6: 2,677,802 km (0.052 R)
• M7: 3,355,181 km (0.092 R)
• M8: 4,216,416 km (0.079 R)
• M9: 4,826,177 km (0.094 R)
• M10: 5,724,063 km (0.061 R)
• M11: 6,279,969 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.7

Radius: 14.4

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.82 AU - 0.88 AU

Year: 523 Days

Day: 10.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,389,682 km

• M1: 179,368 km (0.052 R)
• M2: 666,010 km (0.065 R)
• M3: 1,247,197 km (0.12 R)
• M4: 1,709,305 km (0.074 R)
• M5: 2,317,121 km (0.073 R)
• M6: 2,998,390 km (0.095 R)
• M7: 3,920,511 km (0.047 R)
• M8: 4,624,968 km (0.113 R)
• M9: 5,587,630 km (0.113 R)
• M10: 6,541,167 km (0.065 R)
• M11: 7,088,546 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.4

Radius: 8.9

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.93 AU - 1.19 AU

Year: 728 Days

Day: 7.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,389,682 km

• M1: 110,702 km (0.061 R)
• M2: 527,632 km (0.092 R)
• M3: 837,748 km (0.046 R)
• M4: 1,131,857 km (0.088 R)
• M5: 1,418,786 km (0.1 R)
• M6: 1,812,079 km (0.109 R)
• M7: 2,425,281 km (0.11 R)
• M8: 2,922,095 km (0.113 R)
• M9: 3,331,694 km (0.089 R)
• M10: 4,281,641 km (0.064 R)
• M11: 4,635,440 km (0.102 R)
• M12: 5,314,764 km (0.081 R)
• M13: 6,002,166 km (0.089 R)
• M14: 7,185,186 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.9

Radius: 14.2

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.63 AU - 1.65 AU

Year: 1401 Days

Day: 14.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,389,682 km

• M1: 179,966 km (0.099 R)
• M2: 645,216 km (0.114 R)
• M3: 1,100,292 km (0.052 R)
• M4: 1,717,384 km (0.101 R)
• M5: 2,671,220 km (0.087 R)
• M6: 3,572,696 km (0.054 R)
• M7: 4,148,050 km (0.031 R)
• M8: 5,180,125 km (0.107 R)
• M9: 6,438,543 km (0.084 R)
• M10: 7,030,502 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.9

Radius: 9

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.53 AU - 3.99 AU

Year: 4862 Days

Day: 11.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,389,682 km

• M1: 112,348 km (0.118 R)
• M2: 524,191 km (0.111 R)
• M3: 856,149 km (0.083 R)
• M4: 1,341,295 km (0.098 R)
• M5: 1,704,518 km (0.088 R)
• M6: 2,684,534 km (0.095 R)
• M7: 2,994,351 km (0.114 R)
• M8: 3,819,533 km (0.065 R)
• M9: 4,213,125 km (0.047 R)
• M10: 6,158,196 km (0.115 R)
• M11: 7,954,867 km (0.118 R)
• M12: 8,755,215 km (0.103 R)
• M13: 12,152,583 km (0.117 R)
• M14: 15,229,512 km (0.099 R)
• M15: 19,321,313 km (0.066 R)
• M16: 21,474,475 km (0.068 R)
• M17: 21,836,053 km (0.079 R)
• M18: 22,423,225 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.4

Radius: 8

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.45 AU - 4.83 AU

Year: 6665 Days

Day: 11.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 158.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,389,682 km

• M1: 99,782 km (0.106 R)
• M2: 726,597 km (0.077 R)
• M3: 1,150,108 km (0.064 R)
• M4: 1,611,618 km (0.112 R)
• M5: 1,871,469 km (0.111 R)
• M6: 2,159,445 km (0.081 R)
• M7: 2,656,858 km (0.088 R)
• M8: 3,356,228 km (0.064 R)
• M9: 4,048,717 km (0.057 R)
• M10: 5,144,671 km (0.093 R)
• M11: 5,560,852 km (0.06 R)
• M12: 6,980,536 km (0.109 R)
• M13: 8,026,075 km (0.117 R)
• M14: 8,586,319 km (0.114 R)
• M15: 9,344,631 km (0.115 R)
• M16: 9,919,536 km (0.101 R)
• M17: 10,849,735 km (0.061 R)
• M18: 11,286,860 km (0.108 R)
• M19: 12,722,102 km (0.101 R)
• M20: 15,459,145 km (0.069 R)
• M21: 16,964,847 km (0.11 R)
• M22: 17,753,228 km (0.108 R)
• M23: 18,565,844 km (0.106 R)
• M24: 19,544,812 km (0.112 R)
• M25: 19,974,906 km (0.1 R)
• M26: 21,453,831 km (0.066 R)
• M27: 22,065,387 km (0.074 R)
• M28: 25,468,289 km (0.068 R)
• M29: 27,651,521 km (0.095 R)
• M30: 29,392,092 km (0.107 R)
• M31: 32,888,194 km (0.094 R)
• M32: 35,261,265 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.8

Radius: 15

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.57 AU - 5.87 AU

Year: 7953 Days

Day: 6.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,389,682 km

• M1: 186,549 km (0.067 R)
• M2: 861,534 km (0.046 R)
• M3: 1,534,874 km (0.069 R)
• M4: 5,406,168 km (0.111 R)
• M5: 6,724,275 km (0.072 R)
• M6: 8,011,265 km (0.118 R)
• M7: 16,752,568 km (0.082 R)
• M8: 17,869,615 km (0.081 R)
• M9: 21,368,410 km (0.107 R)
• M10: 23,078,763 km (0.09 R)
• M11: 24,544,672 km (0.053 R)
• M12: 27,036,075 km (0.117 R)
• M13: 27,751,901 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 454.4

Radius: 3.4

Gravity: 39.31 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 7.61 AU - 11.19 AU

Year: 19219 Days

Day: 24.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,389,682 km

• M1: 42,486 km (0.061 R)
• M2: 159,471 km (0.085 R)
• M3: 316,848 km (0.09 R)
• M4: 543,489 km (0.091 R)
• M5: 1,568,833 km (0.099 R)
• M6: 3,339,922 km (0.07 R)
• M7: 4,082,975 km (0.032 R)
• M8: 6,368,980 km (0.1 R)
• M9: 7,874,682 km (0.054 R)
• M10: 8,558,195 km (0.096 R)
• M11: 10,495,936 km (0.119 R)
• M12: 12,642,067 km (0.114 R)
• M13: 16,421,358 km (0.12 R)
• M14: 22,003,004 km (0.097 R)
• M15: 31,760,675 km (0.108 R)
• M16: 33,230,025 km (0.108 R)
• M17: 39,282,306 km (0.113 R)
• M18: 42,273,965 km (0.101 R)
• M19: 43,008,041 km (0.081 R)
• M20: 43,601,347 km (0.11 R)
• M21: 46,962,362 km (0.094 R)
• M22: 49,350,393 km (0.03 R)
• M23: 49,512,407 km (0.08 R)
• M24: 52,827,795 km (0.071 R)
• M25: 54,022,185 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.6

Radius: 5.2

Gravity: 26.17 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 10.08 AU - 10.6 AU

Year: 22172 Days

Day: 24.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,389,682 km

• M1: 66,721 km (0.057 R)
• M2: 305,329 km (0.052 R)
• M3: 476,320 km (0.037 R)
• M4: 675,135 km (0.042 R)
• M5: 860,188 km (0.1 R)
• M6: 1,260,512 km (0.095 R)
• M7: 1,721,273 km (0.101 R)
• M8: 2,613,325 km (0.115 R)
• M9: 3,023,223 km (0.037 R)
• M10: 3,329,001 km (0.114 R)
• M11: 3,504,330 km (0.058 R)
• M12: 5,138,388 km (0.045 R)
• M13: 6,384,388 km (0.106 R)
• M14: 7,077,475 km (0.107 R)
• M15: 7,870,643 km (0.12 R)
• M16: 9,340,891 km (0.095 R)
• M17: 10,293,680 km (0.103 R)
• M18: 12,741,999 km (0.078 R)
• M19: 13,245,096 km (0.108 R)
• M20: 15,879,365 km (0.067 R)
• M21: 17,669,603 km (0.057 R)
• M22: 19,495,744 km (0.031 R)
• M23: 21,443,957 km (0.118 R)
• M24: 27,344,995 km (0.084 R)
• M25: 29,654,337 km (0.05 R)
• M26: 30,409,806 km (0.08 R)
• M27: 34,518,362 km (0.066 R)
• M28: 37,356,683 km (0.107 R)
• M29: 48,165,278 km (0.048 R)
• M30: 50,089,107 km (0.072 R)
• M31: 54,089,205 km (0.107 R)
• M32: 60,883,341 km (0.116 R)
• M33: 63,545,136 km (0.06 R)
• M34: 65,432,613 km (0.05 R)
• M35: 76,133,797 km (0.089 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 13,194 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit