🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.63 AU - 0.69 AU

Year: 188 Days

Day: 23.1 Hours

Environment

Temp: 197 °C

Axial Tilt: 7.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.71 AU - 0.73 AU

Year: 215 Days

Day: 34.6 Hours

Environment

Temp: 179 °C

Axial Tilt: 10.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.21 AU - 4.37 AU

Year: 2593 Days

Day: 32.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.18 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.8

Radius: 11.9

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.44 AU - 6.7 AU

Year: 5919 Days

Day: 6.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 69 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 105,812,456 km

• M1: 150,645 km (0.09 R)
• M2: 690,544 km (0.107 R)
• M3: 1,202,468 km (0.09 R)
• M4: 2,771,450 km (0.034 R)
• M5: 5,481,715 km (0.113 R)
• M6: 7,184,887 km (0.107 R)
• M7: 8,460,358 km (0.117 R)
• M8: 8,917,379 km (0.065 R)
• M9: 9,790,881 km (0.116 R)
• M10: 11,707,829 km (0.109 R)
• M11: 15,095,472 km (0.086 R)
• M12: 19,658,507 km (0.053 R)
• M13: 20,984,991 km (0.097 R)
• M14: 21,979,518 km (0.105 R)
• M15: 22,527,794 km (0.111 R)
• M16: 27,973,306 km (0.114 R)
• M17: 29,177,569 km (0.069 R)
• M18: 29,649,849 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.7

Radius: 11.2

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.31 AU - 8.17 AU

Year: 7568 Days

Day: 12.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 105,812,456 km

• M1: 139,575 km (0.111 R)
• M2: 628,012 km (0.113 R)
• M3: 2,178,594 km (0.106 R)
• M4: 3,067,205 km (0.087 R)
• M5: 3,451,672 km (0.112 R)
• M6: 4,182,607 km (0.116 R)
• M7: 6,336,667 km (0.104 R)
• M8: 9,054,112 km (0.083 R)
• M9: 12,132,238 km (0.119 R)
• M10: 13,159,676 km (0.077 R)
• M11: 14,555,723 km (0.114 R)
• M12: 18,145,175 km (0.11 R)
• M13: 19,949,474 km (0.086 R)
• M14: 20,975,267 km (0.067 R)
• M15: 21,953,039 km (0.067 R)
• M16: 25,615,643 km (0.12 R)
• M17: 28,076,379 km (0.118 R)
• M18: 29,768,031 km (0.11 R)
• M19: 33,353,593 km (0.104 R)
• M20: 36,514,895 km (0.08 R)
• M21: 39,379,096 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.3

Radius: 14.6

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 8.05 AU - 13.37 AU

Year: 12319 Days

Day: 9.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 105,812,456 km

• M1: 189,840 km (0.119 R)
• M2: 879,037 km (0.076 R)
• M3: 1,529,339 km (0.1 R)
• M4: 2,730,012 km (0.099 R)
• M5: 3,806,518 km (0.11 R)
• M6: 4,746,591 km (0.082 R)
• M7: 5,289,781 km (0.109 R)
• M8: 6,261,568 km (0.085 R)
• M9: 9,008,634 km (0.106 R)
• M10: 10,283,058 km (0.069 R)
• M11: 11,614,031 km (0.03 R)
• M12: 12,227,532 km (0.117 R)
• M13: 12,862,575 km (0.099 R)
• M14: 13,653,498 km (0.095 R)
• M15: 15,405,589 km (0.117 R)
• M16: 22,961,179 km (0.088 R)
• M17: 23,635,716 km (0.098 R)
• M18: 24,224,533 km (0.118 R)
• M19: 24,923,753 km (0.097 R)
• M20: 26,258,166 km (0.102 R)
• M21: 30,316,756 km (0.078 R)
• M22: 34,149,304 km (0.116 R)
• M23: 38,025,236 km (0.093 R)
• M24: 42,473,079 km (0.108 R)
• M25: 49,617,724 km (0.075 R)
• M26: 52,553,882 km (0.096 R)
• M27: 54,916,182 km (0.091 R)
• M28: 56,996,639 km (0.083 R)
• M29: 57,701,694 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.3

Radius: 12.5

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 11.05 AU - 11.43 AU

Year: 13244 Days

Day: 14.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 105,812,456 km

• M1: 303,384 km (0.117 R)
• M2: 1,275,471 km (0.053 R)
• M3: 1,965,267 km (0.062 R)
• M4: 2,527,306 km (0.104 R)
• M5: 3,468,127 km (0.111 R)
• M6: 5,048,180 km (0.114 R)
• M7: 6,186,919 km (0.11 R)
• M8: 7,190,272 km (0.117 R)
• M9: 8,725,146 km (0.056 R)
• M10: 9,518,763 km (0.067 R)
• M11: 10,966,422 km (0.1 R)
• M12: 12,250,869 km (0.112 R)
• M13: 13,374,349 km (0.086 R)
• M14: 16,042,726 km (0.054 R)
• M15: 16,631,094 km (0.113 R)
• M16: 19,541,671 km (0.113 R)
• M17: 28,219,993 km (0.06 R)
• M18: 36,076,424 km (0.086 R)
• M19: 38,116,490 km (0.114 R)
• M20: 39,562,802 km (0.07 R)
• M21: 49,018,884 km (0.086 R)
• M22: 51,996,929 km (0.092 R)
• M23: 53,938,709 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 270.9

Radius: 7.1

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 10.82 AU - 16.58 AU

Year: 17822 Days

Day: 24.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 105,812,456 km

• M1: 88,263 km (0.1 R)
• M2: 360,232 km (0.071 R)
• M3: 1,296,116 km (0.115 R)
• M4: 2,081,954 km (0.119 R)
• M5: 2,398,203 km (0.116 R)
• M6: 2,619,608 km (0.074 R)
• M7: 2,943,787 km (0.112 R)
• M8: 3,543,525 km (0.079 R)
• M9: 3,859,027 km (0.112 R)
• M10: 4,516,360 km (0.098 R)
• M11: 8,631,498 km (0.081 R)
• M12: 10,006,452 km (0.106 R)
• M13: 11,018,930 km (0.065 R)
• M14: 12,936,925 km (0.119 R)
• M15: 14,530,591 km (0.033 R)
• M16: 15,896,569 km (0.072 R)
• M17: 16,466,088 km (0.044 R)
• M18: 24,028,410 km (0.071 R)
• M19: 28,037,932 km (0.07 R)
• M20: 28,764,379 km (0.096 R)
• M21: 30,254,673 km (0.087 R)
• M22: 30,799,060 km (0.065 R)
• M23: 33,272,810 km (0.095 R)
• M24: 36,241,131 km (0.082 R)
• M25: 36,855,231 km (0.066 R)
• M26: 37,726,638 km (0.084 R)
• M27: 42,426,405 km (0.062 R)
• M28: 46,197,019 km (0.075 R)
• M29: 46,629,208 km (0.106 R)
• M30: 50,184,999 km (0.067 R)
• M31: 51,101,436 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 67.5

Radius: 4.8

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 10.95 AU - 17.71 AU

Year: 19065 Days

Day: 21.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 97.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 105,812,456 km

• M1: 59,690 km (0.078 R)
• M2: 303,983 km (0.089 R)
• M3: 656,884 km (0.082 R)
• M4: 863,030 km (0.044 R)
• M5: 1,491,790 km (0.037 R)
• M6: 1,983,817 km (0.1 R)
• M7: 2,470,908 km (0.106 R)
• M8: 2,934,661 km (0.096 R)
• M9: 3,135,721 km (0.088 R)
• M10: 5,530,334 km (0.117 R)
• M11: 7,326,556 km (0.1 R)
• M12: 7,697,259 km (0.096 R)
• M13: 8,355,939 km (0.11 R)
• M14: 8,719,461 km (0.076 R)
• M15: 9,963,069 km (0.115 R)
• M16: 10,188,812 km (0.033 R)
• M17: 12,902,368 km (0.118 R)
• M18: 15,154,115 km (0.075 R)
• M19: 19,985,528 km (0.05 R)
• M20: 21,373,497 km (0.11 R)
• M21: 24,832,050 km (0.106 R)
• M22: 25,921,122 km (0.117 R)
• M23: 26,693,496 km (0.096 R)
• M24: 29,936,778 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.6

Radius: 4.5

Gravity: 46.3 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 16.45 AU - 20.61 AU

Year: 28034 Days

Day: 18.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 105,812,456 km

• M1: 56,099 km (0.052 R)
• M2: 208,539 km (0.055 R)
• M3: 358,736 km (0.099 R)
• M4: 531,072 km (0.117 R)
• M5: 769,980 km (0.074 R)
• M6: 1,213,089 km (0.053 R)
• M7: 1,957,937 km (0.065 R)
• M8: 2,478,388 km (0.026 R)
• M9: 4,323,678 km (0.12 R)
• M10: 4,629,306 km (0.095 R)
• M11: 7,560,228 km (0.074 R)
• M12: 8,464,397 km (0.101 R)
• M13: 11,461,890 km (0.065 R)
• M14: 12,346,312 km (0.095 R)
• M15: 13,676,088 km (0.052 R)
• M16: 13,920,231 km (0.068 R)
• M17: 14,250,394 km (0.051 R)
• M18: 15,098,464 km (0.114 R)
• M19: 17,081,683 km (0.09 R)
• M20: 18,135,451 km (0.079 R)
• M21: 19,538,380 km (0.084 R)
• M22: 19,848,197 km (0.083 R)
• M23: 20,904,507 km (0.118 R)
• M24: 22,109,069 km (0.05 R)
• M25: 24,060,723 km (0.098 R)
• M26: 25,628,359 km (0.08 R)
• M27: 28,699,005 km (0.098 R)
• M28: 31,863,598 km (0.079 R)
• M29: 33,309,163 km (0.08 R)
• M30: 37,747,732 km (0.057 R)
• M31: 37,907,352 km (0.102 R)
• M32: 49,093,683 km (0.086 R)
• M33: 49,857,829 km (0.12 R)
• M34: 52,994,148 km (0.078 R)
• M35: 65,003,716 km (0.103 R)
• M36: 65,233,199 km (0.047 R)
• M37: 77,152,409 km (0.08 R)
• M38: 80,806,487 km (0.052 R)
• M39: 84,028,974 km (0.102 R)
• M40: 91,302,872 km (0.05 R)
• M41: 97,175,336 km (0.101 R)
• M42: 97,776,121 km (0.075 R)
• M43: 100,510,022 km (0.088 R)
• M44: 104,863,470 km (0.116 R)

Kuiper Belt

Range: 31.2 - 61.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 10,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit