🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.1

Radius: 8.6

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.68 AU - 0.7 AU

Year: 382 Days

Day: 15 Hours

Environment

Temp: -158 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,807,734 km

• M1: 106,962 km (0.084 R)
• M2: 510,428 km (0.028 R)
• M3: 1,120,338 km (0.092 R)
• M4: 1,404,874 km (0.098 R)
• M5: 1,917,246 km (0.036 R)
• M6: 2,233,347 km (0.035 R)
• M7: 2,506,064 km (0.051 R)
• M8: 3,129,587 km (0.114 R)
• M9: 3,408,587 km (0.101 R)
• M10: 3,715,562 km (0.102 R)
• M11: 4,186,197 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.2

Radius: 10.1

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.73 AU - 0.79 AU

Year: 442 Days

Day: 12.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,807,734 km

• M1: 125,662 km (0.087 R)
• M2: 476,469 km (0.118 R)
• M3: 815,009 km (0.101 R)
• M4: 1,165,218 km (0.066 R)
• M5: 1,479,972 km (0.114 R)
• M6: 1,966,913 km (0.1 R)
• M7: 2,348,986 km (0.096 R)
• M8: 3,005,571 km (0.091 R)
• M9: 3,377,322 km (0.089 R)
• M10: 4,044,528 km (0.102 R)
• M11: 4,389,351 km (0.048 R)
• M12: 4,768,133 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.3

Radius: 11.3

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.82 AU - 1.3 AU

Year: 728 Days

Day: 12.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,807,734 km

• M1: 156,330 km (0.096 R)
• M2: 543,040 km (0.092 R)
• M3: 920,177 km (0.061 R)
• M4: 1,347,428 km (0.051 R)
• M5: 1,747,752 km (0.106 R)
• M6: 2,321,609 km (0.079 R)
• M7: 2,677,054 km (0.116 R)
• M8: 3,146,941 km (0.114 R)
• M9: 4,205,645 km (0.061 R)
• M10: 4,773,668 km (0.085 R)
• M11: 5,468,550 km (0.101 R)
• M12: 6,043,156 km (0.078 R)
• M13: 7,501,884 km (0.079 R)
• M14: 8,467,389 km (0.093 R)
• M15: 9,101,534 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.9

Radius: 10.5

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.44 AU - 1.9 AU

Year: 1439 Days

Day: 9.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,807,734 km

• M1: 130,599 km (0.083 R)
• M2: 626,516 km (0.08 R)
• M3: 1,154,297 km (0.049 R)
• M4: 1,606,532 km (0.094 R)
• M5: 2,268,951 km (0.116 R)
• M6: 2,805,558 km (0.093 R)
• M7: 3,536,942 km (0.066 R)
• M8: 4,504,242 km (0.089 R)
• M9: 5,060,298 km (0.119 R)
• M10: 6,049,439 km (0.03 R)
• M11: 6,980,985 km (0.062 R)
• M12: 7,865,407 km (0.058 R)
• M13: 8,613,397 km (0.103 R)
• M14: 9,314,113 km (0.078 R)
• M15: 9,791,181 km (0.101 R)
• M16: 11,038,079 km (0.108 R)
• M17: 11,392,476 km (0.107 R)
• M18: 12,848,363 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.9

Radius: 12.3

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.26 AU - 3.4 AU

Year: 4052 Days

Day: 13.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,807,734 km

• M1: 153,039 km (0.104 R)
• M2: 562,638 km (0.112 R)
• M3: 1,129,763 km (0.085 R)
• M4: 1,556,865 km (0.083 R)
• M5: 1,951,654 km (0.077 R)
• M6: 2,384,889 km (0.118 R)
• M7: 3,319,278 km (0.081 R)
• M8: 4,855,498 km (0.064 R)
• M9: 6,467,116 km (0.103 R)
• M10: 6,912,918 km (0.081 R)
• M11: 8,375,536 km (0.08 R)
• M12: 9,459,373 km (0.115 R)
• M13: 11,047,055 km (0.109 R)
• M14: 11,556,286 km (0.083 R)
• M15: 12,851,953 km (0.09 R)
• M16: 14,541,960 km (0.12 R)
• M17: 16,982,500 km (0.065 R)
• M18: 18,654,705 km (0.084 R)
• M19: 20,880,123 km (0.089 R)
• M20: 22,526,148 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.3

Radius: 9.1

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.68 AU - 4.9 AU

Year: 5925 Days

Day: 9.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,807,734 km

• M1: 114,293 km (0.071 R)
• M2: 496,216 km (0.087 R)
• M3: 813,513 km (0.11 R)
• M4: 1,270,086 km (0.053 R)
• M5: 1,614,011 km (0.073 R)
• M6: 1,905,428 km (0.096 R)
• M7: 2,295,729 km (0.107 R)
• M8: 3,641,212 km (0.066 R)
• M9: 4,005,932 km (0.1 R)
• M10: 4,369,903 km (0.072 R)
• M11: 5,108,618 km (0.092 R)
• M12: 8,594,098 km (0.041 R)
• M13: 8,955,228 km (0.119 R)
• M14: 10,456,891 km (0.1 R)
• M15: 11,627,794 km (0.117 R)
• M16: 12,320,432 km (0.082 R)
• M17: 12,831,907 km (0.064 R)
• M18: 14,006,849 km (0.102 R)
• M19: 17,066,873 km (0.069 R)
• M20: 17,896,244 km (0.045 R)
• M21: 20,546,071 km (0.068 R)
• M22: 20,903,759 km (0.05 R)
• M23: 23,291,790 km (0.095 R)
• M24: 24,712,222 km (0.112 R)
• M25: 27,292,187 km (0.05 R)
• M26: 28,869,995 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.4

Radius: 10.6

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.94 AU - 4.7 AU

Year: 5988 Days

Day: 14 Hours

Environment

Temp: -228 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,807,734 km

• M1: 149,299 km (0.114 R)
• M2: 589,116 km (0.042 R)
• M3: 1,273,377 km (0.108 R)
• M4: 1,772,884 km (0.102 R)
• M5: 2,967,423 km (0.12 R)
• M6: 3,705,539 km (0.107 R)
• M7: 6,821,513 km (0.115 R)
• M8: 10,278,571 km (0.088 R)
• M9: 12,193,274 km (0.12 R)
• M10: 14,177,689 km (0.086 R)
• M11: 17,605,126 km (0.072 R)
• M12: 22,530,935 km (0.106 R)
• M13: 23,105,242 km (0.1 R)
• M14: 23,615,819 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.7

Radius: 9.3

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.84 AU - 5.92 AU

Year: 7189 Days

Day: 8 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,807,734 km

• M1: 115,639 km (0.074 R)
• M2: 447,746 km (0.087 R)
• M3: 914,043 km (0.094 R)
• M4: 1,241,662 km (0.07 R)
• M5: 1,855,462 km (0.115 R)
• M6: 2,357,363 km (0.112 R)
• M7: 2,947,377 km (0.076 R)
• M8: 4,716,970 km (0.092 R)
• M9: 5,026,189 km (0.097 R)
• M10: 5,318,952 km (0.073 R)
• M11: 6,435,102 km (0.101 R)
• M12: 7,662,104 km (0.098 R)
• M13: 8,659,024 km (0.086 R)
• M14: 12,484,840 km (0.072 R)
• M15: 13,748,344 km (0.119 R)
• M16: 15,399,006 km (0.105 R)
• M17: 15,956,707 km (0.094 R)
• M18: 18,117,050 km (0.086 R)
• M19: 23,250,651 km (0.06 R)
• M20: 26,104,529 km (0.111 R)
• M21: 29,751,426 km (0.074 R)
• M22: 31,497,981 km (0.102 R)
• M23: 35,194,545 km (0.056 R)
• M24: 35,945,526 km (0.046 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.7

Radius: 5.5

Gravity: 17.61 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.91 AU - 7.09 AU

Year: 9801 Days

Day: 23 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,807,734 km

• M1: 68,516 km (0.117 R)
• M2: 297,101 km (0.111 R)
• M3: 1,312,572 km (0.086 R)
• M4: 1,586,785 km (0.104 R)
• M5: 2,077,466 km (0.075 R)
• M6: 2,413,612 km (0.09 R)
• M7: 2,785,363 km (0.07 R)
• M8: 5,303,245 km (0.077 R)
• M9: 5,561,600 km (0.107 R)
• M10: 6,138,898 km (0.081 R)
• M11: 7,097,671 km (0.102 R)
• M12: 8,280,541 km (0.073 R)
• M13: 9,215,229 km (0.051 R)
• M14: 9,779,811 km (0.097 R)
• M15: 10,517,777 km (0.08 R)
• M16: 10,823,107 km (0.099 R)
• M17: 12,103,814 km (0.106 R)
• M18: 12,439,213 km (0.095 R)
• M19: 12,666,153 km (0.097 R)
• M20: 12,838,190 km (0.087 R)
• M21: 13,245,695 km (0.083 R)
• M22: 14,645,482 km (0.089 R)
• M23: 16,615,835 km (0.076 R)
• M24: 17,735,875 km (0.054 R)
• M25: 24,010,309 km (0.097 R)
• M26: 27,113,716 km (0.091 R)
• M27: 30,167,159 km (0.117 R)
• M28: 31,513,091 km (0.115 R)
• M29: 32,361,011 km (0.12 R)
• M30: 33,006,825 km (0.101 R)
• M31: 33,224,042 km (0.089 R)
• M32: 33,551,511 km (0.039 R)
• M33: 38,007,882 km (0.111 R)
• M34: 38,968,450 km (0.051 R)
• M35: 39,699,236 km (0.112 R)
• M36: 41,819,636 km (0.056 R)
• M37: 42,457,372 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.1

Radius: 4.5

Gravity: 38.77 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 6.96 AU - 11.42 AU

Year: 18578 Days

Day: 17.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,807,734 km

• M1: 55,950 km (0.097 R)
• M2: 203,902 km (0.096 R)
• M3: 384,018 km (0.115 R)
• M4: 583,731 km (0.101 R)
• M5: 851,661 km (0.116 R)
• M6: 1,239,568 km (0.07 R)
• M7: 2,334,624 km (0.113 R)
• M8: 2,561,564 km (0.087 R)
• M9: 4,082,675 km (0.065 R)
• M10: 4,653,990 km (0.062 R)
• M11: 4,867,765 km (0.102 R)
• M12: 5,315,212 km (0.1 R)
• M13: 5,588,528 km (0.049 R)
• M14: 6,464,872 km (0.117 R)
• M15: 7,191,469 km (0.115 R)
• M16: 7,623,358 km (0.085 R)
• M17: 12,522,239 km (0.103 R)
• M18: 13,217,121 km (0.089 R)
• M19: 16,747,781 km (0.079 R)
• M20: 20,194,366 km (0.112 R)
• M21: 21,735,523 km (0.115 R)
• M22: 22,032,924 km (0.106 R)
• M23: 23,353,125 km (0.113 R)
• M24: 25,376,436 km (0.066 R)
• M25: 26,712,645 km (0.114 R)
• M26: 30,257,366 km (0.117 R)
• M27: 31,378,901 km (0.092 R)
• M28: 34,639,088 km (0.108 R)
• M29: 39,867,982 km (0.116 R)
• M30: 43,213,439 km (0.107 R)
• M31: 43,526,548 km (0.093 R)
• M32: 70,483,486 km (0.037 R)
• M33: 70,700,103 km (0.113 R)
• M34: 72,670,457 km (0.054 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 19,753 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit