🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.76 AU - 0.82 AU

Year: 258 Days

Day: 24.4 Hours

Environment

Temp: 161 °C

Axial Tilt: 61.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.14 AU - 1.5 AU

Year: 557 Days

Day: 12.2 Hours

Environment

Temp: -18 °C

Axial Tilt: 18.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 85,299,280 km

• M1: 480,060 km (0.063 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.23 AU - 2.43 AU

Year: 1306 Days

Day: 25.1 Hours

Environment

Temp: -81 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,299,280 km

• M1: 199,564 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.22 AU - 3.4 AU

Year: 1729 Days

Day: 28.7 Hours

Environment

Temp: -96 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,299,280 km

• M1: 25,731 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626

Radius: 14

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.32 AU - 6.32 AU

Year: 4504 Days

Day: 11.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,299,280 km

• M1: 174,132 km (0.11 R)
• M2: 829,670 km (0.025 R)
• M3: 1,270,086 km (0.105 R)
• M4: 3,177,608 km (0.084 R)
• M5: 3,883,710 km (0.048 R)
• M6: 4,498,408 km (0.085 R)
• M7: 5,752,038 km (0.119 R)
• M8: 6,278,174 km (0.093 R)
• M9: 7,095,277 km (0.046 R)
• M10: 10,782,865 km (0.052 R)
• M11: 12,914,335 km (0.093 R)
• M12: 14,289,140 km (0.056 R)
• M13: 16,618,678 km (0.074 R)
• M14: 18,244,059 km (0.097 R)
• M15: 18,872,071 km (0.108 R)
• M16: 20,039,084 km (0.107 R)
• M17: 21,878,988 km (0.117 R)
• M18: 22,948,613 km (0.116 R)
• M19: 25,038,046 km (0.084 R)
• M20: 26,050,225 km (0.098 R)
• M21: 26,526,395 km (0.116 R)
• M22: 27,089,332 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.7

Radius: 10.1

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.69 AU - 8.81 AU

Year: 7166 Days

Day: 8.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,299,280 km

• M1: 227,389 km (0.112 R)
• M2: 591,510 km (0.119 R)
• M3: 1,669,961 km (0.094 R)
• M4: 2,557,974 km (0.115 R)
• M5: 3,301,326 km (0.089 R)
• M6: 4,077,589 km (0.087 R)
• M7: 6,265,159 km (0.047 R)
• M8: 9,729,995 km (0.096 R)
• M9: 12,436,370 km (0.097 R)
• M10: 15,557,131 km (0.108 R)
• M11: 16,185,442 km (0.083 R)
• M12: 16,939,864 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672

Radius: 14.7

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 7.53 AU - 10.89 AU

Year: 10260 Days

Day: 11.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,299,280 km

• M1: 192,233 km (0.115 R)
• M2: 689,796 km (0.084 R)
• M3: 1,917,396 km (0.102 R)
• M4: 2,472,554 km (0.088 R)
• M5: 3,248,817 km (0.03 R)
• M6: 3,836,138 km (0.067 R)
• M7: 4,436,175 km (0.071 R)
• M8: 5,130,459 km (0.098 R)
• M9: 6,001,717 km (0.1 R)
• M10: 7,910,735 km (0.116 R)
• M11: 10,299,065 km (0.047 R)
• M12: 14,059,657 km (0.082 R)
• M13: 14,961,582 km (0.076 R)
• M14: 17,240,407 km (0.106 R)
• M15: 18,805,948 km (0.106 R)
• M16: 21,371,253 km (0.097 R)
• M17: 22,737,829 km (0.117 R)
• M18: 24,344,211 km (0.066 R)
• M19: 24,896,078 km (0.074 R)
• M20: 25,362,374 km (0.087 R)
• M21: 26,699,031 km (0.087 R)
• M22: 30,351,613 km (0.062 R)
• M23: 32,407,836 km (0.08 R)
• M24: 35,959,887 km (0.05 R)
• M25: 39,258,520 km (0.095 R)
• M26: 43,154,647 km (0.082 R)
• M27: 47,301,650 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.5

Radius: 8

Gravity: 14.07 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8.25 AU - 10.59 AU

Year: 10613 Days

Day: 12.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 85,299,280 km

• M1: 99,483 km (0.114 R)
• M2: 611,855 km (0.108 R)
• M3: 1,014,423 km (0.106 R)
• M4: 1,443,320 km (0.032 R)
• M5: 2,539,274 km (0.034 R)
• M6: 3,091,889 km (0.088 R)
• M7: 3,722,294 km (0.103 R)
• M8: 4,139,822 km (0.12 R)
• M9: 6,554,780 km (0.113 R)
• M10: 7,901,012 km (0.067 R)
• M11: 9,676,589 km (0.076 R)
• M12: 11,017,434 km (0.104 R)
• M13: 12,175,920 km (0.074 R)
• M14: 12,908,800 km (0.106 R)
• M15: 13,286,236 km (0.096 R)
• M16: 14,062,948 km (0.089 R)
• M17: 14,328,484 km (0.067 R)
• M18: 14,938,245 km (0.106 R)
• M19: 15,214,702 km (0.057 R)
• M20: 15,777,938 km (0.09 R)
• M21: 17,704,908 km (0.118 R)
• M22: 18,644,981 km (0.071 R)
• M23: 21,489,285 km (0.091 R)
• M24: 23,850,389 km (0.059 R)
• M25: 25,681,466 km (0.051 R)
• M26: 26,278,811 km (0.09 R)
• M27: 27,500,876 km (0.104 R)
• M28: 28,021,177 km (0.077 R)
• M29: 28,867,303 km (0.103 R)
• M30: 41,876,334 km (0.07 R)
• M31: 44,106,389 km (0.071 R)
• M32: 45,106,600 km (0.103 R)
• M33: 51,899,840 km (0.101 R)
• M34: 53,982,242 km (0.113 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811

Radius: 10

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 9.27 AU - 10.13 AU

Year: 11090 Days

Day: 9 Hours

Environment

Temp: -182 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 85,299,280 km

• M1: 124,316 km (0.063 R)
• M2: 1,088,025 km (0.041 R)
• M3: 2,037,074 km (0.084 R)
• M4: 2,468,365 km (0.091 R)
• M5: 3,098,621 km (0.093 R)
• M6: 3,593,490 km (0.094 R)
• M7: 6,658,900 km (0.046 R)
• M8: 7,022,573 km (0.1 R)
• M9: 7,923,152 km (0.115 R)
• M10: 8,850,659 km (0.032 R)
• M11: 9,440,972 km (0.074 R)
• M12: 9,797,314 km (0.107 R)
• M13: 10,810,092 km (0.092 R)
• M14: 14,534,480 km (0.102 R)
• M15: 17,623,078 km (0.08 R)
• M16: 18,716,489 km (0.083 R)
• M17: 21,210,884 km (0.057 R)
• M18: 22,000,461 km (0.076 R)
• M19: 25,453,479 km (0.06 R)
• M20: 26,545,993 km (0.095 R)
• M21: 28,190,372 km (0.105 R)
• M22: 31,342,399 km (0.096 R)
• M23: 32,136,914 km (0.11 R)
• M24: 32,481,587 km (0.111 R)
• M25: 33,530,268 km (0.099 R)
• M26: 34,842,541 km (0.098 R)
• M27: 38,465,801 km (0.107 R)
• M28: 45,868,054 km (0.094 R)
• M29: 47,781,859 km (0.104 R)
• M30: 52,400,843 km (0.09 R)
• M31: 52,878,509 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.8

Radius: 4.1

Gravity: 46.39 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 14.41 AU - 16.45 AU

Year: 22250 Days

Day: 16.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 85,299,280 km

• M1: 51,162 km (0.053 R)
• M2: 209,587 km (0.075 R)
• M3: 886,517 km (0.114 R)
• M4: 1,035,068 km (0.069 R)
• M5: 1,214,735 km (0.069 R)
• M6: 1,619,547 km (0.099 R)
• M7: 1,747,602 km (0.062 R)
• M8: 1,882,540 km (0.055 R)
• M9: 2,399,101 km (0.083 R)
• M10: 3,612,789 km (0.101 R)
• M11: 4,334,150 km (0.031 R)
• M12: 5,385,075 km (0.045 R)
• M13: 6,321,856 km (0.079 R)
• M14: 6,457,542 km (0.118 R)
• M15: 9,716,382 km (0.051 R)
• M16: 10,203,622 km (0.055 R)
• M17: 16,856,538 km (0.088 R)
• M18: 18,372,713 km (0.072 R)
• M19: 19,687,678 km (0.066 R)
• M20: 21,570,667 km (0.032 R)
• M21: 22,293,673 km (0.049 R)
• M22: 24,226,777 km (0.109 R)
• M23: 29,922,267 km (0.063 R)
• M24: 30,177,182 km (0.116 R)
• M25: 30,305,237 km (0.034 R)
• M26: 30,562,247 km (0.098 R)
• M27: 40,817,779 km (0.101 R)
• M28: 45,187,832 km (0.111 R)
• M29: 45,523,380 km (0.081 R)
• M30: 49,859,624 km (0.094 R)
• M31: 54,843,178 km (0.077 R)
• M32: 56,769,998 km (0.093 R)
• M33: 60,962,329 km (0.078 R)
• M34: 61,166,979 km (0.115 R)
• M35: 64,080,098 km (0.074 R)
• M36: 66,000,785 km (0.088 R)
• M37: 69,509,603 km (0.116 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 12,540 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit