🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505

Radius: 9.5

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.91 AU - 1.05 AU

Year: 617 Days

Day: 10.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,057,849 km

• M1: 118,182 km (0.085 R)
• M2: 497,114 km (0.092 R)
• M3: 885,320 km (0.065 R)
• M4: 1,552,826 km (0.116 R)
• M5: 3,056,883 km (0.087 R)
• M6: 3,544,422 km (0.069 R)
• M7: 4,598,339 km (0.086 R)
• M8: 5,426,214 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.9

Radius: 13.6

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.76 AU - 2.08 AU

Year: 1692 Days

Day: 10.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,057,849 km

• M1: 169,195 km (0.104 R)
• M2: 625,170 km (0.089 R)
• M3: 1,678,189 km (0.12 R)
• M4: 2,107,086 km (0.093 R)
• M5: 3,086,503 km (0.12 R)
• M6: 4,283,137 km (0.087 R)
• M7: 4,895,740 km (0.11 R)
• M8: 6,607,738 km (0.106 R)
• M9: 7,139,409 km (0.095 R)
• M10: 8,315,547 km (0.078 R)
• M11: 9,472,537 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.5

Radius: 8.7

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.35 AU - 2.47 AU

Year: 2379 Days

Day: 10.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,057,849 km

• M1: 108,159 km (0.029 R)
• M2: 1,245,253 km (0.066 R)
• M3: 1,626,129 km (0.117 R)
• M4: 1,919,490 km (0.118 R)
• M5: 2,305,154 km (0.051 R)
• M6: 3,078,874 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.4

Radius: 14.8

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.2 AU - 2.82 AU

Year: 2528 Days

Day: 9.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,057,849 km

• M1: 184,155 km (0.027 R)
• M2: 796,010 km (0.091 R)
• M3: 1,267,393 km (0.094 R)
• M4: 1,875,060 km (0.112 R)
• M5: 2,798,378 km (0.12 R)
• M6: 4,254,713 km (0.069 R)
• M7: 4,733,277 km (0.072 R)
• M8: 7,351,838 km (0.114 R)
• M9: 8,077,537 km (0.091 R)
• M10: 8,920,222 km (0.115 R)
• M11: 9,381,133 km (0.109 R)
• M12: 10,197,638 km (0.066 R)
• M13: 10,702,082 km (0.026 R)
• M14: 12,143,906 km (0.11 R)
• M15: 12,934,082 km (0.113 R)
• M16: 14,375,308 km (0.106 R)
• M17: 15,562,816 km (0.11 R)
• M18: 16,337,733 km (0.062 R)
• M19: 16,975,918 km (0.095 R)
• M20: 19,459,841 km (0.077 R)
• M21: 20,359,522 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.3

Radius: 10.6

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.48 AU - 3.34 AU

Year: 3156 Days

Day: 8.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,057,849 km

• M1: 132,394 km (0.118 R)
• M2: 505,192 km (0.102 R)
• M3: 925,263 km (0.085 R)
• M4: 1,316,162 km (0.031 R)
• M5: 3,599,026 km (0.042 R)
• M6: 4,000,696 km (0.088 R)
• M7: 6,943,286 km (0.076 R)
• M8: 8,025,627 km (0.039 R)
• M9: 13,128,410 km (0.11 R)
• M10: 13,621,933 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.7

Radius: 4.3

Gravity: 46.98 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.37 AU - 7.55 AU

Year: 11675 Days

Day: 17.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,057,849 km

• M1: 61,485 km (0.12 R)
• M2: 207,791 km (0.057 R)
• M3: 541,395 km (0.046 R)
• M4: 838,047 km (0.118 R)
• M5: 1,159,683 km (0.092 R)
• M6: 1,342,342 km (0.102 R)
• M7: 1,620,743 km (0.082 R)
• M8: 1,782,309 km (0.093 R)
• M9: 2,871,232 km (0.081 R)
• M10: 3,257,045 km (0.075 R)
• M11: 4,527,879 km (0.051 R)
• M12: 5,325,535 km (0.079 R)
• M13: 6,251,845 km (0.083 R)
• M14: 6,610,132 km (0.095 R)
• M15: 7,767,271 km (0.108 R)
• M16: 9,204,159 km (0.11 R)
• M17: 13,291,920 km (0.067 R)
• M18: 14,424,077 km (0.063 R)
• M19: 16,277,744 km (0.094 R)
• M20: 21,504,694 km (0.07 R)
• M21: 22,319,254 km (0.098 R)
• M22: 23,626,740 km (0.052 R)
• M23: 25,083,524 km (0.109 R)
• M24: 26,599,100 km (0.081 R)
• M25: 26,805,694 km (0.111 R)
• M26: 35,348,331 km (0.033 R)
• M27: 39,486,508 km (0.049 R)
• M28: 39,755,335 km (0.111 R)
• M29: 44,080,359 km (0.103 R)
• M30: 44,224,871 km (0.107 R)
• M31: 46,430,542 km (0.057 R)
• M32: 46,580,139 km (0.091 R)
• M33: 48,093,920 km (0.065 R)
• M34: 50,425,553 km (0.046 R)
• M35: 53,979,998 km (0.119 R)
• M36: 56,156,797 km (0.101 R)
• M37: 57,009,505 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770

Radius: 3

Gravity: 85.56 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 7.92 AU - 9.98 AU

Year: 17024 Days

Day: 16.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 71,057,849 km

• M1: 37,399 km (0.119 R)
• M2: 240,703 km (0.102 R)
• M3: 356,342 km (0.034 R)
• M4: 509,231 km (0.083 R)
• M5: 1,389,166 km (0.049 R)
• M6: 1,681,330 km (0.111 R)
• M7: 1,916,798 km (0.086 R)
• M8: 2,153,013 km (0.116 R)
• M9: 2,386,385 km (0.094 R)
• M10: 2,878,263 km (0.09 R)
• M11: 3,722,893 km (0.081 R)
• M12: 4,121,870 km (0.092 R)
• M13: 4,250,225 km (0.113 R)
• M14: 8,392,740 km (0.067 R)
• M15: 9,347,922 km (0.1 R)
• M16: 10,912,716 km (0.112 R)
• M17: 12,244,287 km (0.112 R)
• M18: 13,259,158 km (0.046 R)
• M19: 13,966,008 km (0.054 R)
• M20: 14,623,491 km (0.06 R)
• M21: 17,293,215 km (0.07 R)
• M22: 18,394,405 km (0.098 R)
• M23: 19,994,952 km (0.078 R)
• M24: 25,888,360 km (0.062 R)
• M25: 26,989,849 km (0.066 R)
• M26: 27,552,188 km (0.05 R)
• M27: 28,007,564 km (0.098 R)
• M28: 28,352,387 km (0.097 R)
• M29: 28,700,052 km (0.06 R)
• M30: 31,213,596 km (0.102 R)
• M31: 31,336,864 km (0.094 R)
• M32: 35,186,317 km (0.112 R)
• M33: 35,722,326 km (0.085 R)
• M34: 37,362,667 km (0.082 R)
• M35: 38,909,957 km (0.069 R)
• M36: 40,645,891 km (0.111 R)
• M37: 41,831,454 km (0.112 R)
• M38: 48,271,044 km (0.057 R)
• M39: 48,932,566 km (0.051 R)
• M40: 52,330,682 km (0.099 R)
• M41: 57,903,501 km (0.1 R)
• M42: 59,214,278 km (0.101 R)
• M43: 62,089,549 km (0.079 R)
• M44: 68,948,462 km (0.112 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 153 - 19,148 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit