🌌 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: 920.7

Radius: 8.9

Gravity: 11.62 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.67 AU - 0.87 AU

Year: 443 Days

Day: 5.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,263,036 km

• M1: 110,702 km (0.115 R)
• M2: 468,092 km (0.102 R)
• M3: 867,817 km (0.081 R)
• M4: 1,224,309 km (0.082 R)
• M5: 1,517,820 km (0.114 R)
• M6: 1,810,433 km (0.106 R)
• M7: 2,278,824 km (0.077 R)
• M8: 2,837,124 km (0.093 R)
• M9: 3,202,142 km (0.09 R)
• M10: 4,196,819 km (0.089 R)
• M11: 4,734,324 km (0.025 R)
• M12: 5,384,626 km (0.104 R)
• M13: 5,838,506 km (0.091 R)
• M14: 6,242,270 km (0.095 R)
• M15: 6,547,450 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.8

Radius: 11.6

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.22 AU - 1.48 AU

Year: 1029 Days

Day: 10.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,263,036 km

• M1: 144,212 km (0.111 R)
• M2: 637,885 km (0.064 R)
• M3: 1,147,116 km (0.091 R)
• M4: 1,844,542 km (0.046 R)
• M5: 2,371,276 km (0.093 R)
• M6: 2,972,659 km (0.048 R)
• M7: 5,892,361 km (0.119 R)
• M8: 6,511,995 km (0.085 R)
• M9: 6,956,002 km (0.107 R)
• M10: 7,764,578 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.3

Radius: 8.7

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.09 AU - 1.63 AU

Year: 1040 Days

Day: 7.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,263,036 km

• M1: 111,600 km (0.087 R)
• M2: 397,482 km (0.094 R)
• M3: 720,763 km (0.06 R)
• M4: 1,238,970 km (0.038 R)
• M5: 1,586,635 km (0.065 R)
• M6: 2,083,450 km (0.094 R)
• M7: 2,494,096 km (0.085 R)
• M8: 2,903,844 km (0.048 R)
• M9: 5,923,477 km (0.11 R)
• M10: 6,236,436 km (0.054 R)
• M11: 8,520,945 km (0.039 R)
• M12: 8,833,904 km (0.108 R)
• M13: 9,332,663 km (0.115 R)
• M14: 10,290,389 km (0.09 R)
• M15: 11,008,907 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.7

Radius: 9.2

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.82 AU - 2.42 AU

Year: 2025 Days

Day: 13.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,263,036 km

• M1: 129,402 km (0.06 R)
• M2: 468,241 km (0.056 R)
• M3: 865,424 km (0.101 R)
• M4: 1,308,383 km (0.103 R)
• M5: 1,614,311 km (0.089 R)
• M6: 2,401,794 km (0.105 R)
• M7: 3,121,060 km (0.103 R)
• M8: 3,478,150 km (0.042 R)
• M9: 4,694,830 km (0.075 R)
• M10: 5,520,161 km (0.09 R)
• M11: 6,096,263 km (0.11 R)
• M12: 7,309,502 km (0.066 R)
• M13: 8,288,021 km (0.095 R)
• M14: 8,578,391 km (0.115 R)
• M15: 8,875,492 km (0.027 R)
• M16: 9,179,475 km (0.116 R)
• M17: 10,881,899 km (0.076 R)
• M18: 11,269,656 km (0.083 R)
• M19: 11,666,689 km (0.051 R)
• M20: 13,129,906 km (0.116 R)
• M21: 16,115,879 km (0.073 R)
• M22: 17,238,911 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.7

Radius: 12.8

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.87 AU - 3.17 AU

Year: 3443 Days

Day: 7.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 110.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,263,036 km

• M1: 159,471 km (0.077 R)
• M2: 573,708 km (0.087 R)
• M3: 1,153,549 km (0.104 R)
• M4: 1,575,116 km (0.119 R)
• M5: 2,019,422 km (0.111 R)
• M6: 2,898,309 km (0.09 R)
• M7: 3,338,725 km (0.107 R)
• M8: 4,106,312 km (0.111 R)
• M9: 5,488,596 km (0.11 R)
• M10: 6,227,311 km (0.076 R)
• M11: 7,325,359 km (0.111 R)
• M12: 7,730,171 km (0.112 R)
• M13: 8,622,223 km (0.075 R)
• M14: 9,384,125 km (0.059 R)
• M15: 10,357,259 km (0.115 R)
• M16: 11,351,935 km (0.082 R)
• M17: 11,987,876 km (0.057 R)
• M18: 12,551,860 km (0.117 R)
• M19: 16,891,694 km (0.079 R)
• M20: 17,362,478 km (0.101 R)
• M21: 20,307,462 km (0.102 R)
• M22: 22,992,146 km (0.12 R)
• M23: 24,011,057 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.5

Radius: 8.9

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.88 AU - 3.9 AU

Year: 4095 Days

Day: 7.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,263,036 km

• M1: 110,702 km (0.111 R)
• M2: 431,291 km (0.084 R)
• M3: 826,229 km (0.103 R)
• M4: 1,104,930 km (0.105 R)
• M5: 1,508,395 km (0.039 R)
• M6: 1,791,435 km (0.038 R)
• M7: 2,097,512 km (0.087 R)
• M8: 2,424,233 km (0.103 R)
• M9: 2,832,486 km (0.068 R)
• M10: 3,146,941 km (0.099 R)
• M11: 3,447,932 km (0.101 R)
• M12: 4,759,157 km (0.11 R)
• M13: 5,757,274 km (0.078 R)
• M14: 6,319,762 km (0.112 R)
• M15: 7,838,629 km (0.099 R)
• M16: 9,154,043 km (0.067 R)
• M17: 10,887,883 km (0.117 R)
• M18: 12,608,707 km (0.049 R)
• M19: 13,510,782 km (0.114 R)
• M20: 16,317,388 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.3

Radius: 8

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.74 AU - 4.36 AU

Year: 5347 Days

Day: 12.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,263,036 km

• M1: 112,647 km (0.103 R)
• M2: 495,618 km (0.108 R)
• M3: 911,500 km (0.097 R)
• M4: 1,622,090 km (0.06 R)
• M5: 1,872,517 km (0.035 R)
• M6: 3,147,240 km (0.102 R)
• M7: 3,966,588 km (0.063 R)
• M8: 4,451,584 km (0.09 R)
• M9: 4,975,326 km (0.077 R)
• M10: 5,568,930 km (0.031 R)
• M11: 6,368,082 km (0.114 R)
• M12: 6,930,570 km (0.08 R)
• M13: 7,312,045 km (0.076 R)
• M14: 11,401,153 km (0.091 R)
• M15: 12,430,985 km (0.089 R)
• M16: 16,555,548 km (0.059 R)
• M17: 17,873,954 km (0.075 R)
• M18: 18,459,779 km (0.062 R)
• M19: 28,588,452 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.1

Radius: 6.3

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.13 AU - 7.69 AU

Year: 10646 Days

Day: 18.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,263,036 km

• M1: 78,389 km (0.054 R)
• M2: 465,997 km (0.072 R)
• M3: 763,996 km (0.072 R)
• M4: 1,673,551 km (0.066 R)
• M5: 2,853,430 km (0.095 R)
• M6: 3,382,258 km (0.09 R)
• M7: 5,138,836 km (0.091 R)
• M8: 6,354,618 km (0.084 R)
• M9: 7,897,421 km (0.118 R)
• M10: 10,814,131 km (0.049 R)
• M11: 11,275,491 km (0.077 R)
• M12: 11,798,036 km (0.08 R)
• M13: 12,687,844 km (0.077 R)
• M14: 25,445,401 km (0.115 R)
• M15: 26,592,069 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.1

Radius: 5.7

Gravity: 26.97 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.98 AU - 9 AU

Year: 14816 Days

Day: 19.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,263,036 km

• M1: 77,940 km (0.068 R)
• M2: 420,669 km (0.111 R)
• M3: 936,333 km (0.07 R)
• M4: 1,522,158 km (0.077 R)
• M5: 1,701,377 km (0.077 R)
• M6: 1,931,458 km (0.047 R)
• M7: 2,182,184 km (0.12 R)
• M8: 2,476,443 km (0.054 R)
• M9: 3,144,248 km (0.109 R)
• M10: 3,576,287 km (0.071 R)
• M11: 4,624,968 km (0.092 R)
• M12: 6,308,692 km (0.086 R)
• M13: 7,084,058 km (0.068 R)
• M14: 7,872,887 km (0.071 R)
• M15: 9,459,672 km (0.118 R)
• M16: 10,472,749 km (0.06 R)
• M17: 13,733,533 km (0.113 R)
• M18: 16,091,944 km (0.119 R)
• M19: 16,800,888 km (0.112 R)
• M20: 18,196,786 km (0.114 R)
• M21: 19,402,844 km (0.105 R)
• M22: 19,846,252 km (0.105 R)
• M23: 20,205,736 km (0.037 R)
• M24: 20,753,114 km (0.077 R)
• M25: 24,145,396 km (0.107 R)
• M26: 25,706,001 km (0.077 R)
• M27: 26,348,523 km (0.117 R)
• M28: 29,257,454 km (0.078 R)
• M29: 36,102,305 km (0.075 R)
• M30: 40,971,566 km (0.116 R)
• M31: 58,720,306 km (0.105 R)
• M32: 61,911,827 km (0.085 R)
• M33: 64,429,110 km (0.072 R)
• M34: 65,415,110 km (0.088 R)
• M35: 66,611,743 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439

Radius: 5.6

Gravity: 14 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7.71 AU - 9.03 AU

Year: 15885 Days

Day: 22.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,263,036 km

• M1: 69,713 km (0.117 R)
• M2: 386,561 km (0.069 R)
• M3: 744,399 km (0.077 R)
• M4: 1,329,775 km (0.113 R)
• M5: 1,998,628 km (0.113 R)
• M6: 2,317,421 km (0.07 R)
• M7: 2,562,462 km (0.098 R)
• M8: 2,757,538 km (0.04 R)
• M9: 4,028,222 km (0.092 R)
• M10: 5,432,946 km (0.074 R)
• M11: 6,362,248 km (0.103 R)
• M12: 9,991,043 km (0.099 R)
• M13: 10,421,586 km (0.085 R)
• M14: 11,319,622 km (0.097 R)
• M15: 14,662,686 km (0.071 R)
• M16: 15,289,052 km (0.116 R)
• M17: 16,819,588 km (0.114 R)
• M18: 17,351,707 km (0.104 R)
• M19: 18,529,641 km (0.097 R)
• M20: 20,609,799 km (0.108 R)
• M21: 24,061,920 km (0.096 R)
• M22: 25,924,264 km (0.044 R)
• M23: 30,714,088 km (0.112 R)
• M24: 31,052,928 km (0.103 R)
• M25: 38,233,476 km (0.12 R)
• M26: 43,541,956 km (0.103 R)
• M27: 43,969,657 km (0.087 R)
• M28: 44,400,050 km (0.066 R)
• M29: 49,013,199 km (0.087 R)
• M30: 51,039,203 km (0.091 R)
• M31: 52,474,146 km (0.085 R)
• M32: 54,925,157 km (0.092 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 19,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit