🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460

Radius: 11.4

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.37 AU - 1.53 AU

Year: 1145 Days

Day: 12 Hours

Environment

Temp: -181 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,459,095 km

• M1: 141,819 km (0.112 R)
• M2: 668,852 km (0.107 R)
• M3: 1,421,030 km (0.116 R)
• M4: 1,846,337 km (0.049 R)
• M5: 2,281,368 km (0.048 R)
• M6: 4,459,213 km (0.11 R)
• M7: 5,119,239 km (0.091 R)
• M8: 8,169,390 km (0.104 R)
• M9: 9,783,252 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.2

Radius: 14.8

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.86 AU - 2.32 AU

Year: 1982 Days

Day: 8.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,459,095 km

• M1: 184,005 km (0.047 R)
• M2: 679,474 km (0.091 R)
• M3: 1,882,091 km (0.117 R)
• M4: 2,835,628 km (0.063 R)
• M5: 3,359,669 km (0.057 R)
• M6: 4,315,300 km (0.074 R)
• M7: 5,270,034 km (0.064 R)
• M8: 9,022,846 km (0.116 R)
• M9: 10,032,931 km (0.103 R)
• M10: 10,548,295 km (0.089 R)
• M11: 11,117,366 km (0.079 R)
• M12: 12,009,418 km (0.048 R)
• M13: 13,313,463 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.8

Radius: 12.4

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.91 AU - 3.01 AU

Year: 2531 Days

Day: 9.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 88,459,095 km

• M1: 154,385 km (0.08 R)
• M2: 556,803 km (0.113 R)
• M3: 1,001,408 km (0.06 R)
• M4: 1,453,493 km (0.083 R)
• M5: 2,055,624 km (0.113 R)
• M6: 3,130,934 km (0.098 R)
• M7: 4,616,740 km (0.075 R)
• M8: 5,391,507 km (0.11 R)
• M9: 5,902,085 km (0.107 R)
• M10: 6,585,747 km (0.089 R)
• M11: 7,050,548 km (0.031 R)
• M12: 7,444,140 km (0.111 R)
• M13: 8,144,108 km (0.112 R)
• M14: 9,097,795 km (0.066 R)
• M15: 9,973,391 km (0.115 R)
• M16: 10,470,654 km (0.103 R)
• M17: 11,105,248 km (0.09 R)
• M18: 12,938,720 km (0.119 R)
• M19: 14,622,593 km (0.081 R)
• M20: 16,342,969 km (0.088 R)
• M21: 18,880,298 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.7

Radius: 10.3

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.12 AU - 3.02 AU

Year: 2703 Days

Day: 14.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,459,095 km

• M1: 132,993 km (0.106 R)
• M2: 541,544 km (0.084 R)
• M3: 966,402 km (0.087 R)
• M4: 1,539,063 km (0.076 R)
• M5: 2,916,410 km (0.087 R)
• M6: 3,327,206 km (0.12 R)
• M7: 3,915,126 km (0.087 R)
• M8: 4,984,152 km (0.078 R)
• M9: 6,631,674 km (0.101 R)
• M10: 7,438,754 km (0.079 R)
• M11: 10,645,684 km (0.117 R)
• M12: 11,127,987 km (0.091 R)
• M13: 12,574,000 km (0.085 R)
• M14: 14,872,871 km (0.097 R)
• M15: 16,464,143 km (0.084 R)
• M16: 16,892,741 km (0.116 R)
• M17: 17,883,977 km (0.111 R)
• M18: 19,088,987 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.3

Radius: 13.7

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.83 AU - 2.89 AU

Year: 3173 Days

Day: 5.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,459,095 km

• M1: 170,542 km (0.102 R)
• M2: 772,673 km (0.109 R)
• M3: 1,202,916 km (0.091 R)
• M4: 2,651,622 km (0.098 R)
• M5: 4,002,790 km (0.112 R)
• M6: 4,876,143 km (0.071 R)
• M7: 5,358,596 km (0.115 R)
• M8: 5,847,781 km (0.097 R)
• M9: 7,001,629 km (0.106 R)
• M10: 9,580,248 km (0.051 R)
• M11: 10,527,801 km (0.034 R)
• M12: 13,302,093 km (0.118 R)
• M13: 15,000,926 km (0.118 R)
• M14: 16,737,309 km (0.11 R)
• M15: 18,057,061 km (0.112 R)
• M16: 18,548,939 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.3

Radius: 10.3

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.79 AU - 3.81 AU

Year: 3933 Days

Day: 13.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,459,095 km

• M1: 128,654 km (0.113 R)
• M2: 519,404 km (0.092 R)
• M3: 1,255,126 km (0.119 R)
• M4: 1,919,490 km (0.053 R)
• M5: 3,115,675 km (0.085 R)
• M6: 3,588,105 km (0.108 R)
• M7: 4,475,819 km (0.053 R)
• M8: 5,503,855 km (0.084 R)
• M9: 6,196,643 km (0.12 R)
• M10: 7,019,880 km (0.087 R)
• M11: 8,048,216 km (0.111 R)
• M12: 8,825,826 km (0.12 R)
• M13: 10,922,440 km (0.069 R)
• M14: 11,426,285 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822.1

Radius: 6.9

Gravity: 17.27 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 8.23 AU - 10.21 AU

Year: 18366 Days

Day: 17.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 88,459,095 km

• M1: 85,869 km (0.106 R)
• M2: 660,325 km (0.09 R)
• M3: 1,908,570 km (0.043 R)
• M4: 2,125,487 km (0.085 R)
• M5: 3,950,880 km (0.068 R)
• M6: 4,860,285 km (0.108 R)
• M7: 5,154,843 km (0.055 R)
• M8: 5,779,714 km (0.062 R)
• M9: 6,366,736 km (0.084 R)
• M10: 7,464,784 km (0.117 R)
• M11: 9,624,080 km (0.115 R)
• M12: 12,034,700 km (0.113 R)
• M13: 13,848,574 km (0.102 R)
• M14: 14,592,375 km (0.081 R)
• M15: 14,820,661 km (0.077 R)
• M16: 18,359,847 km (0.117 R)
• M17: 19,439,795 km (0.09 R)
• M18: 23,973,208 km (0.087 R)
• M19: 24,827,562 km (0.113 R)
• M20: 27,051,933 km (0.106 R)
• M21: 32,148,882 km (0.057 R)
• M22: 32,665,443 km (0.104 R)
• M23: 37,565,073 km (0.105 R)
• M24: 45,474,611 km (0.104 R)
• M25: 46,125,362 km (0.12 R)
• M26: 48,283,012 km (0.077 R)
• M27: 51,205,107 km (0.097 R)
• M28: 59,311,068 km (0.088 R)
• M29: 65,096,616 km (0.061 R)
• M30: 66,756,404 km (0.107 R)
• M31: 67,596,695 km (0.082 R)
• M32: 71,028,919 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 508.4

Radius: 3.2

Gravity: 49.65 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 8.33 AU - 10.33 AU

Year: 18695 Days

Day: 15.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 88,459,095 km

• M1: 40,242 km (0.037 R)
• M2: 145,260 km (0.098 R)
• M3: 314,455 km (0.086 R)
• M4: 582,385 km (0.095 R)
• M5: 779,555 km (0.109 R)
• M6: 915,988 km (0.096 R)
• M7: 1,500,167 km (0.075 R)
• M8: 2,426,777 km (0.102 R)
• M9: 3,240,439 km (0.099 R)
• M10: 3,708,830 km (0.072 R)
• M11: 4,034,954 km (0.078 R)
• M12: 4,220,754 km (0.098 R)
• M13: 4,951,241 km (0.091 R)
• M14: 6,037,770 km (0.083 R)
• M15: 9,894,553 km (0.029 R)
• M16: 10,812,485 km (0.071 R)
• M17: 11,661,004 km (0.112 R)
• M18: 12,101,570 km (0.112 R)
• M19: 12,618,431 km (0.073 R)
• M20: 13,421,023 km (0.117 R)
• M21: 13,558,055 km (0.066 R)
• M22: 17,294,411 km (0.084 R)
• M23: 18,963,026 km (0.072 R)
• M24: 19,659,554 km (0.11 R)
• M25: 21,475,074 km (0.108 R)
• M26: 23,005,609 km (0.089 R)
• M27: 23,300,467 km (0.097 R)
• M28: 24,200,148 km (0.114 R)
• M29: 30,089,218 km (0.111 R)
• M30: 31,879,755 km (0.063 R)
• M31: 32,246,270 km (0.071 R)
• M32: 33,613,894 km (0.043 R)
• M33: 33,993,423 km (0.104 R)
• M34: 37,811,460 km (0.107 R)
• M35: 41,759,647 km (0.085 R)
• M36: 48,989,264 km (0.037 R)
• M37: 51,293,819 km (0.098 R)
• M38: 51,965,214 km (0.097 R)
• M39: 64,099,546 km (0.09 R)

Asteroid Belt

Center: 9.69 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.6

Radius: 7.1

Gravity: 19.55 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.94 AU - 11.16 AU

Year: 20901 Days

Day: 22.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,459,095 km

• M1: 135,236 km (0.09 R)
• M2: 1,149,510 km (0.092 R)
• M3: 1,827,637 km (0.084 R)
• M4: 2,091,229 km (0.093 R)
• M5: 3,178,207 km (0.091 R)
• M6: 3,685,643 km (0.118 R)
• M7: 4,109,154 km (0.032 R)
• M8: 7,981,046 km (0.027 R)
• M9: 12,949,042 km (0.029 R)
• M10: 15,858,421 km (0.082 R)
• M11: 18,053,920 km (0.062 R)
• M12: 22,396,297 km (0.091 R)
• M13: 23,691,216 km (0.118 R)
• M14: 25,726,196 km (0.082 R)
• M15: 27,752,499 km (0.067 R)
• M16: 32,254,797 km (0.104 R)
• M17: 39,962,827 km (0.06 R)
• M18: 43,164,072 km (0.09 R)
• M19: 44,323,755 km (0.118 R)
• M20: 56,101,296 km (0.09 R)
• M21: 58,080,326 km (0.083 R)
• M22: 59,696,731 km (0.114 R)
• M23: 65,590,289 km (0.106 R)
• M24: 66,681,904 km (0.053 R)
• M25: 79,254,558 km (0.114 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 14,268 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit