🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.47 AU - 0.69 AU

Year: 281 Days

Day: 47.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 17.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.4

Radius: 13.5

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.8 AU - 1.18 AU

Year: 626 Days

Day: 13.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,198,246 km

• M1: 167,849 km (0.112 R)
• M2: 836,551 km (0.07 R)
• M3: 1,293,124 km (0.095 R)
• M4: 1,830,180 km (0.039 R)
• M5: 2,259,975 km (0.095 R)
• M6: 3,379,715 km (0.076 R)
• M7: 4,007,877 km (0.113 R)
• M8: 4,556,452 km (0.099 R)
• M9: 5,308,181 km (0.11 R)
• M10: 5,971,648 km (0.088 R)
• M11: 6,510,051 km (0.112 R)
• M12: 7,271,205 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.3

Radius: 9.8

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.98 AU - 2.72 AU

Year: 2291 Days

Day: 11.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 168.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,198,246 km

• M1: 130,449 km (0.09 R)
• M2: 623,075 km (0.082 R)
• M3: 941,569 km (0.049 R)
• M4: 1,504,805 km (0.093 R)
• M5: 2,089,433 km (0.119 R)
• M6: 2,400,896 km (0.109 R)
• M7: 2,819,022 km (0.088 R)
• M8: 3,600,522 km (0.11 R)
• M9: 4,312,308 km (0.047 R)
• M10: 6,301,062 km (0.046 R)
• M11: 6,624,194 km (0.112 R)
• M12: 7,304,266 km (0.119 R)
• M13: 8,769,876 km (0.028 R)
• M14: 10,952,659 km (0.105 R)
• M15: 11,700,797 km (0.076 R)
• M16: 13,254,820 km (0.106 R)
• M17: 13,742,210 km (0.108 R)
• M18: 15,132,573 km (0.079 R)
• M19: 15,616,223 km (0.1 R)
• M20: 17,338,244 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.8

Radius: 8.7

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.48 AU - 2.66 AU

Year: 2620 Days

Day: 5.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,198,246 km

• M1: 109,356 km (0.065 R)
• M2: 731,384 km (0.105 R)
• M3: 1,014,423 km (0.087 R)
• M4: 1,938,340 km (0.115 R)
• M5: 3,290,854 km (0.054 R)
• M6: 3,619,820 km (0.07 R)
• M7: 4,008,924 km (0.096 R)
• M8: 4,529,375 km (0.113 R)
• M9: 5,230,839 km (0.109 R)
• M10: 9,343,135 km (0.065 R)
• M11: 14,245,906 km (0.104 R)
• M12: 14,842,652 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.6

Radius: 14.3

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.64 AU - 3.34 AU

Year: 3287 Days

Day: 7 Hours

Environment

Temp: -193 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,198,246 km

• M1: 179,218 km (0.095 R)
• M2: 655,687 km (0.108 R)
• M3: 1,227,600 km (0.075 R)
• M4: 2,067,742 km (0.11 R)
• M5: 2,896,215 km (0.069 R)
• M6: 4,350,306 km (0.05 R)
• M7: 4,841,137 km (0.118 R)
• M8: 6,422,835 km (0.111 R)
• M9: 7,878,273 km (0.085 R)
• M10: 8,432,982 km (0.089 R)
• M11: 8,939,819 km (0.105 R)
• M12: 10,014,680 km (0.046 R)
• M13: 10,542,312 km (0.115 R)
• M14: 11,786,517 km (0.109 R)
• M15: 12,606,762 km (0.104 R)
• M16: 13,660,530 km (0.07 R)
• M17: 14,565,746 km (0.037 R)
• M18: 15,297,280 km (0.072 R)
• M19: 15,889,089 km (0.09 R)
• M20: 17,933,494 km (0.083 R)
• M21: 19,640,854 km (0.055 R)
• M22: 21,122,471 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.8

Radius: 10.7

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.13 AU - 5.13 AU

Year: 6334 Days

Day: 10.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 90,198,246 km

• M1: 133,142 km (0.111 R)
• M2: 648,357 km (0.101 R)
• M3: 1,119,291 km (0.097 R)
• M4: 1,932,057 km (0.051 R)
• M5: 3,472,915 km (0.071 R)
• M6: 4,075,046 km (0.092 R)
• M7: 4,442,010 km (0.046 R)
• M8: 5,212,439 km (0.096 R)
• M9: 7,509,215 km (0.082 R)
• M10: 7,862,266 km (0.089 R)
• M11: 9,890,065 km (0.085 R)
• M12: 10,459,135 km (0.071 R)
• M13: 11,819,728 km (0.108 R)
• M14: 12,956,971 km (0.114 R)
• M15: 13,294,912 km (0.07 R)
• M16: 15,197,947 km (0.109 R)
• M17: 16,673,431 km (0.109 R)
• M18: 17,006,436 km (0.115 R)
• M19: 17,617,094 km (0.03 R)
• M20: 19,026,456 km (0.119 R)
• M21: 19,463,581 km (0.04 R)
• M22: 23,123,044 km (0.053 R)
• M23: 23,620,905 km (0.088 R)
• M24: 24,466,732 km (0.117 R)
• M25: 26,760,366 km (0.069 R)
• M26: 27,217,388 km (0.059 R)
• M27: 27,959,393 km (0.025 R)
• M28: 32,697,607 km (0.078 R)
• M29: 34,174,437 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.3

Radius: 12.8

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.98 AU - 5.3 AU

Year: 7409 Days

Day: 14.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,198,246 km

• M1: 165,904 km (0.106 R)
• M2: 594,801 km (0.03 R)
• M3: 1,049,130 km (0.082 R)
• M4: 2,101,551 km (0.06 R)
• M5: 3,108,644 km (0.086 R)
• M6: 5,724,512 km (0.066 R)
• M7: 10,622,496 km (0.06 R)
• M8: 11,093,131 km (0.062 R)
• M9: 11,577,678 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.8

Radius: 3.9

Gravity: 32.79 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 9.83 AU - 9.89 AU

Year: 19686 Days

Day: 22.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 90,198,246 km

• M1: 48,619 km (0.116 R)
• M2: 211,382 km (0.116 R)
• M3: 759,508 km (0.116 R)
• M4: 961,017 km (0.041 R)
• M5: 1,238,222 km (0.06 R)
• M6: 1,410,558 km (0.067 R)
• M7: 1,598,902 km (0.058 R)
• M8: 2,084,497 km (0.114 R)
• M9: 2,287,351 km (0.08 R)
• M10: 4,220,006 km (0.115 R)
• M11: 4,348,062 km (0.038 R)
• M12: 4,578,293 km (0.081 R)
• M13: 5,392,554 km (0.114 R)
• M14: 8,662,465 km (0.12 R)
• M15: 9,786,992 km (0.109 R)
• M16: 10,588,687 km (0.111 R)
• M17: 11,371,383 km (0.103 R)
• M18: 12,583,574 km (0.065 R)
• M19: 15,946,983 km (0.036 R)
• M20: 16,812,557 km (0.109 R)
• M21: 17,216,172 km (0.098 R)
• M22: 18,126,774 km (0.109 R)
• M23: 20,314,942 km (0.109 R)
• M24: 21,144,013 km (0.036 R)
• M25: 21,331,160 km (0.071 R)
• M26: 21,899,632 km (0.066 R)
• M27: 22,672,904 km (0.069 R)
• M28: 25,523,342 km (0.109 R)
• M29: 29,996,318 km (0.086 R)
• M30: 33,802,088 km (0.099 R)
• M31: 34,703,864 km (0.105 R)
• M32: 35,886,584 km (0.108 R)
• M33: 36,286,759 km (0.079 R)
• M34: 38,193,683 km (0.112 R)
• M35: 44,008,103 km (0.045 R)
• M36: 46,332,106 km (0.106 R)
• M37: 46,965,504 km (0.098 R)
• M38: 47,124,676 km (0.095 R)
• M39: 53,445,335 km (0.059 R)
• M40: 55,731,041 km (0.077 R)
• M41: 57,532,948 km (0.044 R)
• M42: 59,373,301 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 214.8

Radius: 3.7

Gravity: 15.69 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 9.54 AU - 12.06 AU

Year: 22567 Days

Day: 22.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 163.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,198,246 km

• M1: 46,076 km (0.104 R)
• M2: 361,728 km (0.118 R)
• M3: 610,210 km (0.111 R)
• M4: 859,290 km (0.066 R)
• M5: 1,863,241 km (0.104 R)
• M6: 2,188,617 km (0.097 R)
• M7: 10,413,209 km (0.071 R)
• M8: 11,253,350 km (0.103 R)
• M9: 14,652,363 km (0.091 R)
• M10: 15,562,068 km (0.097 R)
• M11: 17,570,569 km (0.032 R)
• M12: 32,286,960 km (0.093 R)
• M13: 33,225,837 km (0.111 R)
• M14: 34,425,013 km (0.097 R)
• M15: 39,245,057 km (0.086 R)
• M16: 47,890,916 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.1

Radius: 5.4

Gravity: 25.93 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 8.62 AU - 14.24 AU

Year: 24570 Days

Day: 16.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 90,198,246 km

• M1: 67,319 km (0.065 R)
• M2: 330,761 km (0.058 R)
• M3: 715,078 km (0.065 R)
• M4: 1,782,758 km (0.119 R)
• M5: 2,830,990 km (0.072 R)
• M6: 3,132,729 km (0.063 R)
• M7: 5,966,262 km (0.111 R)
• M8: 7,537,339 km (0.073 R)
• M9: 8,335,294 km (0.109 R)
• M10: 8,897,483 km (0.087 R)
• M11: 9,071,016 km (0.113 R)
• M12: 9,544,793 km (0.116 R)
• M13: 10,034,876 km (0.088 R)
• M14: 10,286,200 km (0.074 R)
• M15: 10,998,884 km (0.087 R)
• M16: 13,714,684 km (0.06 R)
• M17: 15,062,710 km (0.093 R)
• M18: 15,642,552 km (0.086 R)
• M19: 16,671,037 km (0.118 R)
• M20: 17,743,953 km (0.091 R)
• M21: 18,672,507 km (0.055 R)
• M22: 24,591,646 km (0.098 R)
• M23: 31,783,863 km (0.11 R)
• M24: 33,708,439 km (0.113 R)
• M25: 34,414,093 km (0.079 R)
• M26: 38,549,277 km (0.115 R)
• M27: 46,041,437 km (0.086 R)
• M28: 46,735,422 km (0.056 R)
• M29: 60,034,822 km (0.078 R)
• M30: 63,821,144 km (0.111 R)
• M31: 64,251,537 km (0.097 R)
• M32: 66,431,926 km (0.078 R)
• M33: 69,339,660 km (0.048 R)
• M34: 70,251,160 km (0.104 R)
• M35: 70,480,194 km (0.109 R)
• M36: 73,740,381 km (0.086 R)
• M37: 79,560,486 km (0.083 R)
• M38: 79,809,417 km (0.104 R)
• M39: 87,521,337 km (0.118 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 14,601 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit