🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.54 AU - 0.64 AU

Year: 288 Days

Day: 41.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 8.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,956,833 km

• M1: 63,579 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.7

Radius: 12.3

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.8 AU - 0.86 AU

Year: 481 Days

Day: 11.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 68,956,833 km

• M1: 153,637 km (0.095 R)
• M2: 605,572 km (0.088 R)
• M3: 1,017,116 km (0.053 R)
• M4: 1,659,938 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.6

Radius: 8.4

Gravity: 14.11 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.9 AU - 1.28 AU

Year: 724 Days

Day: 6.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,956,833 km

• M1: 104,419 km (0.108 R)
• M2: 705,653 km (0.106 R)
• M3: 1,023,848 km (0.09 R)
• M4: 1,564,495 km (0.054 R)
• M5: 2,108,283 km (0.072 R)
• M6: 2,537,030 km (0.112 R)
• M7: 3,153,972 km (0.098 R)
• M8: 3,584,365 km (0.11 R)
• M9: 3,851,996 km (0.101 R)
• M10: 4,132,940 km (0.059 R)
• M11: 4,701,263 km (0.095 R)
• M12: 5,931,855 km (0.092 R)
• M13: 6,610,880 km (0.036 R)
• M14: 8,482,798 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.4

Radius: 11.7

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.53 AU - 1.77 AU

Year: 1348 Days

Day: 9 Hours

Environment

Temp: -172 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,956,833 km

• M1: 145,559 km (0.051 R)
• M2: 516,711 km (0.109 R)
• M3: 1,023,399 km (0.112 R)
• M4: 1,666,221 km (0.089 R)
• M5: 2,151,816 km (0.072 R)
• M6: 2,960,243 km (0.106 R)
• M7: 3,458,553 km (0.111 R)
• M8: 6,407,277 km (0.108 R)
• M9: 9,139,832 km (0.072 R)
• M10: 10,762,968 km (0.081 R)
• M11: 11,554,640 km (0.09 R)
• M12: 12,607,660 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.6

Radius: 13.3

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.56 AU - 1.82 AU

Year: 1397 Days

Day: 6.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,956,833 km

• M1: 166,353 km (0.103 R)
• M2: 606,021 km (0.099 R)
• M3: 1,061,696 km (0.115 R)
• M4: 1,824,944 km (0.106 R)
• M5: 2,362,749 km (0.109 R)
• M6: 3,590,648 km (0.119 R)
• M7: 4,047,670 km (0.103 R)
• M8: 5,894,904 km (0.116 R)
• M9: 8,301,186 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.5

Radius: 14.3

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.75 AU - 3.21 AU

Year: 3271 Days

Day: 6.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,956,833 km

• M1: 183,257 km (0.094 R)
• M2: 685,906 km (0.037 R)
• M3: 1,296,565 km (0.118 R)
• M4: 2,039,917 km (0.074 R)
• M5: 2,553,636 km (0.11 R)
• M6: 3,697,760 km (0.042 R)
• M7: 5,494,431 km (0.107 R)
• M8: 6,233,594 km (0.062 R)
• M9: 7,213,011 km (0.097 R)
• M10: 7,724,636 km (0.08 R)
• M11: 9,266,990 km (0.066 R)
• M12: 10,542,760 km (0.084 R)
• M13: 12,015,701 km (0.105 R)
• M14: 12,998,260 km (0.036 R)
• M15: 13,849,621 km (0.065 R)
• M16: 16,166,743 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.9

Radius: 14.6

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.75 AU - 5.25 AU

Year: 6069 Days

Day: 13.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,956,833 km

• M1: 187,147 km (0.088 R)
• M2: 776,114 km (0.046 R)
• M3: 1,410,558 km (0.103 R)
• M4: 1,886,429 km (0.108 R)
• M5: 2,454,153 km (0.045 R)
• M6: 3,094,731 km (0.109 R)
• M7: 3,612,789 km (0.078 R)
• M8: 4,882,127 km (0.092 R)
• M9: 5,466,605 km (0.102 R)
• M10: 6,296,275 km (0.107 R)
• M11: 7,282,275 km (0.071 R)
• M12: 8,740,405 km (0.111 R)
• M13: 9,740,467 km (0.047 R)
• M14: 11,968,129 km (0.032 R)
• M15: 12,980,906 km (0.069 R)
• M16: 13,649,609 km (0.119 R)
• M17: 16,556,894 km (0.045 R)
• M18: 17,210,936 km (0.07 R)
• M19: 18,640,643 km (0.115 R)
• M20: 21,197,569 km (0.112 R)
• M21: 23,980,389 km (0.117 R)
• M22: 26,819,607 km (0.062 R)
• M23: 28,832,746 km (0.117 R)
• M24: 29,780,299 km (0.096 R)
• M25: 35,582,901 km (0.107 R)
• M26: 36,453,411 km (0.073 R)
• M27: 37,226,682 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688

Radius: 14.7

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.06 AU - 5.12 AU

Year: 6252 Days

Day: 6.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,956,833 km

• M1: 182,958 km (0.062 R)
• M2: 696,228 km (0.097 R)
• M3: 1,460,524 km (0.09 R)
• M4: 1,980,227 km (0.086 R)
• M5: 2,978,344 km (0.09 R)
• M6: 3,739,049 km (0.087 R)
• M7: 4,315,899 km (0.074 R)
• M8: 5,499,667 km (0.065 R)
• M9: 6,547,600 km (0.108 R)
• M10: 7,317,580 km (0.098 R)
• M11: 8,030,563 km (0.108 R)
• M12: 9,816,163 km (0.101 R)
• M13: 10,312,828 km (0.084 R)
• M14: 10,778,826 km (0.088 R)
• M15: 13,877,895 km (0.098 R)
• M16: 14,504,710 km (0.091 R)
• M17: 15,389,731 km (0.113 R)
• M18: 17,463,607 km (0.092 R)
• M19: 17,993,183 km (0.095 R)
• M20: 19,224,224 km (0.102 R)
• M21: 28,177,806 km (0.077 R)
• M22: 29,091,550 km (0.088 R)
• M23: 31,560,064 km (0.089 R)
• M24: 34,994,832 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.4

Radius: 7.2

Gravity: 17.87 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 6.68 AU - 7.08 AU

Year: 11474 Days

Day: 18.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,956,833 km

• M1: 89,759 km (0.086 R)
• M2: 433,535 km (0.119 R)
• M3: 804,537 km (0.094 R)
• M4: 1,460,823 km (0.045 R)
• M5: 1,687,314 km (0.027 R)
• M6: 4,235,415 km (0.104 R)
• M7: 4,930,447 km (0.055 R)
• M8: 5,625,927 km (0.096 R)
• M9: 6,073,524 km (0.038 R)
• M10: 7,384,001 km (0.102 R)
• M11: 7,920,758 km (0.061 R)
• M12: 9,740,317 km (0.109 R)
• M13: 10,888,631 km (0.062 R)
• M14: 14,319,359 km (0.085 R)
• M15: 17,148,105 km (0.05 R)
• M16: 19,815,734 km (0.058 R)
• M17: 20,071,098 km (0.117 R)
• M18: 22,562,500 km (0.063 R)
• M19: 26,468,351 km (0.059 R)
• M20: 34,103,228 km (0.108 R)
• M21: 35,461,876 km (0.086 R)
• M22: 39,216,483 km (0.1 R)
• M23: 41,814,998 km (0.063 R)
• M24: 45,850,251 km (0.076 R)
• M25: 48,268,800 km (0.1 R)
• M26: 49,041,772 km (0.095 R)
• M27: 50,612,251 km (0.071 R)
• M28: 57,230,311 km (0.035 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474

Radius: 5

Gravity: 18.96 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 8.28 AU - 12.14 AU

Year: 20743 Days

Day: 19.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,956,833 km

• M1: 62,233 km (0.098 R)
• M2: 542,292 km (0.082 R)
• M3: 815,907 km (0.108 R)
• M4: 1,050,775 km (0.119 R)
• M5: 1,388,268 km (0.118 R)
• M6: 1,640,341 km (0.09 R)
• M7: 2,075,222 km (0.096 R)
• M8: 2,583,406 km (0.09 R)
• M9: 2,866,744 km (0.104 R)
• M10: 3,196,906 km (0.106 R)
• M11: 4,086,415 km (0.046 R)
• M12: 7,352,885 km (0.079 R)
• M13: 8,673,984 km (0.117 R)
• M14: 9,472,537 km (0.078 R)
• M15: 9,693,493 km (0.053 R)
• M16: 9,861,492 km (0.116 R)
• M17: 10,088,581 km (0.093 R)
• M18: 13,091,459 km (0.11 R)
• M19: 17,371,305 km (0.078 R)
• M20: 18,292,379 km (0.11 R)
• M21: 22,400,785 km (0.042 R)
• M22: 26,425,267 km (0.094 R)
• M23: 28,664,598 km (0.072 R)
• M24: 29,360,228 km (0.083 R)
• M25: 30,186,008 km (0.025 R)
• M26: 32,380,459 km (0.107 R)
• M27: 33,644,412 km (0.072 R)
• M28: 35,868,034 km (0.045 R)
• M29: 36,811,398 km (0.065 R)
• M30: 47,172,248 km (0.038 R)
• M31: 52,839,614 km (0.076 R)
• M32: 55,478,071 km (0.103 R)
• M33: 60,825,447 km (0.099 R)
• M34: 61,397,509 km (0.078 R)
• M35: 68,133,453 km (0.079 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 11,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit