🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.5

Radius: 14

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.66 AU - 0.88 AU

Year: 443 Days

Day: 11.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,716,943 km

• M1: 174,431 km (0.079 R)
• M2: 764,445 km (0.107 R)
• M3: 1,281,306 km (0.073 R)
• M4: 1,813,126 km (0.062 R)
• M5: 2,997,941 km (0.075 R)
• M6: 3,453,616 km (0.094 R)
• M7: 3,994,413 km (0.06 R)
• M8: 4,882,426 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.2

Radius: 13.2

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.77 AU - 1.27 AU

Year: 676 Days

Day: 11.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,716,943 km

• M1: 164,707 km (0.087 R)
• M2: 580,889 km (0.05 R)
• M3: 1,057,807 km (0.055 R)
• M4: 2,435,453 km (0.11 R)
• M5: 3,071,693 km (0.077 R)
• M6: 3,497,748 km (0.056 R)
• M7: 4,155,679 km (0.113 R)
• M8: 4,910,550 km (0.092 R)
• M9: 6,057,517 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.9

Radius: 11.7

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.96 AU - 1.2 AU

Year: 736 Days

Day: 11.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,716,943 km

• M1: 145,559 km (0.114 R)
• M2: 526,285 km (0.106 R)
• M3: 950,994 km (0.081 R)
• M4: 1,366,726 km (0.069 R)
• M5: 1,749,846 km (0.12 R)
• M6: 2,186,074 km (0.092 R)
• M7: 2,638,458 km (0.068 R)
• M8: 3,003,028 km (0.108 R)
• M9: 3,482,788 km (0.093 R)
• M10: 4,243,493 km (0.104 R)
• M11: 5,328,227 km (0.066 R)
• M12: 6,824,804 km (0.119 R)
• M13: 7,800,183 km (0.085 R)
• M14: 8,358,931 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.6

Radius: 10.8

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.87 AU - 1.37 AU

Year: 778 Days

Day: 10.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 143.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,716,943 km

• M1: 134,339 km (0.112 R)
• M2: 510,129 km (0.095 R)
• M3: 926,759 km (0.086 R)
• M4: 1,308,084 km (0.108 R)
• M5: 1,927,120 km (0.103 R)
• M6: 2,502,174 km (0.057 R)
• M7: 3,249,266 km (0.088 R)
• M8: 4,727,442 km (0.048 R)
• M9: 5,268,239 km (0.087 R)
• M10: 5,705,064 km (0.116 R)
• M11: 6,691,513 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.4

Radius: 12.4

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.71 AU - 2.11 AU

Year: 1732 Days

Day: 8.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,716,943 km

• M1: 154,385 km (0.084 R)
• M2: 558,598 km (0.033 R)
• M3: 1,108,071 km (0.086 R)
• M4: 1,652,458 km (0.064 R)
• M5: 2,103,645 km (0.072 R)
• M6: 3,072,890 km (0.08 R)
• M7: 3,729,026 km (0.112 R)
• M8: 4,597,292 km (0.073 R)
• M9: 5,188,952 km (0.105 R)
• M10: 5,618,896 km (0.08 R)
• M11: 6,121,994 km (0.119 R)
• M12: 7,357,672 km (0.028 R)
• M13: 8,079,482 km (0.071 R)
• M14: 8,473,074 km (0.083 R)
• M15: 9,136,241 km (0.109 R)
• M16: 9,765,749 km (0.087 R)
• M17: 11,037,780 km (0.12 R)
• M18: 13,399,182 km (0.045 R)
• M19: 14,832,629 km (0.084 R)
• M20: 15,286,658 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.9

Radius: 8.1

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.17 AU - 2.79 AU

Year: 2562 Days

Day: 14.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,716,943 km

• M1: 100,829 km (0.067 R)
• M2: 369,656 km (0.099 R)
• M3: 823,087 km (0.072 R)
• M4: 1,214,735 km (0.057 R)
• M5: 1,618,051 km (0.074 R)
• M6: 1,927,419 km (0.083 R)
• M7: 2,821,416 km (0.086 R)
• M8: 3,352,937 km (0.069 R)
• M9: 3,772,260 km (0.056 R)
• M10: 4,736,418 km (0.12 R)
• M11: 5,879,795 km (0.092 R)
• M12: 8,041,035 km (0.043 R)
• M13: 8,517,355 km (0.066 R)
• M14: 9,724,011 km (0.1 R)
• M15: 11,406,389 km (0.079 R)
• M16: 13,521,104 km (0.054 R)
• M17: 13,855,156 km (0.074 R)
• M18: 14,583,548 km (0.038 R)

Asteroid Belt

Center: 3.86 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.2

Radius: 9.7

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.41 AU - 6.05 AU

Year: 7846 Days

Day: 8.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,716,943 km

• M1: 120,576 km (0.057 R)
• M2: 423,512 km (0.034 R)
• M3: 774,618 km (0.097 R)
• M4: 1,413,849 km (0.041 R)
• M5: 2,845,052 km (0.1 R)
• M6: 4,164,057 km (0.063 R)
• M7: 5,682,176 km (0.113 R)
• M8: 6,455,597 km (0.081 R)
• M9: 7,060,870 km (0.12 R)
• M10: 7,621,264 km (0.037 R)
• M11: 8,341,128 km (0.1 R)
• M12: 10,670,816 km (0.083 R)
• M13: 11,035,685 km (0.107 R)
• M14: 11,735,654 km (0.081 R)
• M15: 13,105,222 km (0.097 R)
• M16: 14,013,730 km (0.067 R)
• M17: 14,706,069 km (0.092 R)
• M18: 15,888,191 km (0.111 R)
• M19: 22,677,691 km (0.036 R)
• M20: 23,631,826 km (0.044 R)
• M21: 29,824,280 km (0.081 R)
• M22: 33,015,652 km (0.074 R)
• M23: 38,097,641 km (0.111 R)
• M24: 42,105,368 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.4

Radius: 10.5

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.09 AU - 6.55 AU

Year: 9211 Days

Day: 13.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,716,943 km

• M1: 130,599 km (0.084 R)
• M2: 479,910 km (0.11 R)
• M3: 952,938 km (0.101 R)
• M4: 1,343,538 km (0.061 R)
• M5: 2,111,125 km (0.043 R)
• M6: 2,713,855 km (0.087 R)
• M7: 3,275,595 km (0.069 R)
• M8: 3,913,480 km (0.09 R)
• M9: 4,418,373 km (0.09 R)
• M10: 6,501,673 km (0.115 R)
• M11: 9,475,529 km (0.107 R)
• M12: 11,508,863 km (0.065 R)
• M13: 12,440,858 km (0.088 R)
• M14: 13,034,612 km (0.081 R)
• M15: 14,690,960 km (0.114 R)
• M16: 17,002,396 km (0.087 R)
• M17: 17,398,980 km (0.1 R)
• M18: 18,279,065 km (0.11 R)
• M19: 19,474,501 km (0.083 R)
• M20: 21,865,075 km (0.084 R)
• M21: 22,809,935 km (0.067 R)
• M22: 24,029,008 km (0.105 R)
• M23: 24,865,560 km (0.11 R)
• M24: 25,462,455 km (0.077 R)
• M25: 25,981,859 km (0.115 R)
• M26: 28,592,043 km (0.099 R)
• M27: 30,782,903 km (0.106 R)
• M28: 32,371,483 km (0.116 R)
• M29: 34,433,241 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.1

Radius: 3.7

Gravity: 68.01 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.73 AU - 7.11 AU

Year: 9449 Days

Day: 18.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,716,943 km

• M1: 46,076 km (0.037 R)
• M2: 168,896 km (0.083 R)
• M3: 539,600 km (0.116 R)
• M4: 1,018,313 km (0.064 R)
• M5: 1,317,808 km (0.082 R)
• M6: 1,865,186 km (0.119 R)
• M7: 2,125,487 km (0.063 R)
• M8: 2,273,888 km (0.084 R)
• M9: 2,571,139 km (0.094 R)
• M10: 3,803,675 km (0.079 R)
• M11: 4,164,356 km (0.088 R)
• M12: 4,309,017 km (0.106 R)
• M13: 5,018,111 km (0.099 R)
• M14: 6,166,873 km (0.041 R)
• M15: 9,858,948 km (0.108 R)
• M16: 10,378,053 km (0.106 R)
• M17: 10,590,781 km (0.066 R)
• M18: 12,044,573 km (0.079 R)
• M19: 15,341,112 km (0.091 R)
• M20: 16,321,576 km (0.066 R)
• M21: 16,973,374 km (0.117 R)
• M22: 24,194,164 km (0.056 R)
• M23: 24,756,503 km (0.117 R)
• M24: 26,495,578 km (0.088 R)
• M25: 26,992,692 km (0.077 R)
• M26: 27,699,243 km (0.089 R)
• M27: 28,729,673 km (0.102 R)
• M28: 30,107,020 km (0.067 R)
• M29: 30,322,890 km (0.109 R)
• M30: 32,424,142 km (0.065 R)
• M31: 32,992,763 km (0.112 R)
• M32: 34,620,538 km (0.037 R)
• M33: 41,667,046 km (0.119 R)
• M34: 43,704,719 km (0.039 R)
• M35: 43,981,325 km (0.084 R)
• M36: 44,398,404 km (0.101 R)
• M37: 45,099,420 km (0.097 R)
• M38: 45,665,648 km (0.06 R)
• M39: 47,538,164 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.4

Radius: 3.1

Gravity: 81.31 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.99 AU - 11.09 AU

Year: 19330 Days

Day: 22.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 77,716,943 km

• M1: 38,596 km (0.073 R)
• M2: 247,136 km (0.119 R)
• M3: 413,489 km (0.064 R)
• M4: 632,500 km (0.119 R)
• M5: 1,372,560 km (0.067 R)
• M6: 2,729,862 km (0.047 R)
• M7: 3,228,322 km (0.104 R)
• M8: 3,815,793 km (0.097 R)
• M9: 4,200,708 km (0.069 R)
• M10: 5,237,122 km (0.114 R)
• M11: 5,793,626 km (0.086 R)
• M12: 6,128,726 km (0.034 R)
• M13: 7,164,242 km (0.096 R)
• M14: 7,403,898 km (0.038 R)
• M15: 8,416,227 km (0.072 R)
• M16: 8,955,377 km (0.108 R)
• M17: 10,342,598 km (0.09 R)
• M18: 11,343,259 km (0.053 R)
• M19: 13,974,535 km (0.057 R)
• M20: 14,273,133 km (0.116 R)
• M21: 14,576,069 km (0.074 R)
• M22: 14,883,193 km (0.075 R)
• M23: 15,430,871 km (0.026 R)
• M24: 20,116,426 km (0.107 R)
• M25: 20,593,044 km (0.104 R)
• M26: 20,979,605 km (0.09 R)
• M27: 24,463,141 km (0.09 R)
• M28: 24,896,676 km (0.097 R)
• M29: 25,556,552 km (0.102 R)
• M30: 28,911,284 km (0.086 R)
• M31: 30,381,084 km (0.109 R)
• M32: 32,028,904 km (0.113 R)
• M33: 34,137,486 km (0.063 R)
• M34: 41,167,389 km (0.12 R)
• M35: 43,182,024 km (0.11 R)
• M36: 51,366,523 km (0.11 R)
• M37: 53,881,712 km (0.051 R)
• M38: 55,541,052 km (0.052 R)
• M39: 58,767,878 km (0.091 R)
• M40: 60,132,211 km (0.048 R)
• M41: 62,923,707 km (0.066 R)
• M42: 63,126,262 km (0.117 R)
• M43: 68,548,886 km (0.109 R)
• M44: 70,277,789 km (0.102 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 13,629 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit