🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561

Radius: 10.7

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.48 AU - 0.58 AU

Year: 271 Days

Day: 5.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,148,251 km

• M1: 133,142 km (0.058 R)
• M2: 492,177 km (0.116 R)
• M3: 846,724 km (0.114 R)
• M4: 1,188,555 km (0.112 R)
• M5: 1,687,614 km (0.114 R)
• M6: 2,379,803 km (0.103 R)
• M7: 2,810,346 km (0.071 R)
• M8: 3,221,740 km (0.084 R)
• M9: 3,564,618 km (0.045 R)
• M10: 3,920,511 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.2

Radius: 12.2

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.44 AU - 0.72 AU

Year: 310 Days

Day: 12.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,148,251 km

• M1: 151,692 km (0.109 R)
• M2: 547,678 km (0.084 R)
• M3: 985,551 km (0.103 R)
• M4: 1,638,994 km (0.111 R)
• M5: 2,034,980 km (0.034 R)
• M6: 2,443,083 km (0.112 R)
• M7: 2,838,021 km (0.11 R)
• M8: 3,329,749 km (0.038 R)
• M9: 3,806,219 km (0.103 R)
• M10: 4,186,945 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.3

Radius: 14.2

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.56 AU - 0.86 AU

Year: 421 Days

Day: 6 Hours

Environment

Temp: -166 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,148,251 km

• M1: 176,525 km (0.102 R)
• M2: 619,634 km (0.04 R)
• M3: 1,260,063 km (0.11 R)
• M4: 1,768,995 km (0.075 R)
• M5: 2,213,300 km (0.113 R)
• M6: 2,942,590 km (0.083 R)
• M7: 3,555,193 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.4

Radius: 11.3

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.71 AU - 1.03 AU

Year: 570 Days

Day: 6.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,148,251 km

• M1: 140,472 km (0.083 R)
• M2: 573,857 km (0.09 R)
• M3: 1,001,408 km (0.076 R)
• M4: 1,433,447 km (0.103 R)
• M5: 1,803,402 km (0.104 R)
• M6: 2,190,562 km (0.093 R)
• M7: 2,612,128 km (0.101 R)
• M8: 3,567,610 km (0.038 R)
• M9: 3,924,102 km (0.09 R)
• M10: 4,365,415 km (0.119 R)
• M11: 4,823,335 km (0.075 R)
• M12: 6,314,227 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.9

Radius: 12.2

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.58 AU - 2.22 AU

Year: 1841 Days

Day: 10.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,148,251 km

• M1: 152,141 km (0.113 R)
• M2: 539,450 km (0.03 R)
• M3: 943,215 km (0.062 R)
• M4: 1,551,031 km (0.114 R)
• M5: 2,163,784 km (0.101 R)
• M6: 2,636,662 km (0.062 R)
• M7: 3,207,977 km (0.039 R)
• M8: 3,596,034 km (0.115 R)
• M9: 5,541,105 km (0.117 R)
• M10: 5,988,104 km (0.088 R)
• M11: 6,531,892 km (0.074 R)
• M12: 6,929,523 km (0.082 R)
• M13: 7,637,420 km (0.115 R)
• M14: 8,893,743 km (0.11 R)
• M15: 9,634,701 km (0.103 R)
• M16: 11,064,857 km (0.07 R)
• M17: 11,849,199 km (0.101 R)
• M18: 12,594,046 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.3

Radius: 11

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.58 AU - 2.56 AU

Year: 2093 Days

Day: 14.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,148,251 km

• M1: 137,181 km (0.097 R)
• M2: 486,642 km (0.069 R)
• M3: 1,032,525 km (0.083 R)
• M4: 1,599,650 km (0.111 R)
• M5: 2,137,006 km (0.102 R)
• M6: 2,681,093 km (0.091 R)
• M7: 3,268,414 km (0.117 R)
• M8: 3,729,176 km (0.115 R)
• M9: 4,600,583 km (0.114 R)
• M10: 5,246,248 km (0.096 R)
• M11: 6,070,831 km (0.028 R)
• M12: 6,979,788 km (0.074 R)
• M13: 8,210,978 km (0.098 R)
• M14: 8,723,650 km (0.063 R)
• M15: 9,548,982 km (0.062 R)
• M16: 12,106,806 km (0.117 R)
• M17: 12,534,207 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.5

Radius: 9

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.19 AU - 3.57 AU

Year: 3436 Days

Day: 8.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,148,251 km

• M1: 111,899 km (0.118 R)
• M2: 462,856 km (0.119 R)
• M3: 754,721 km (0.08 R)
• M4: 1,192,594 km (0.104 R)
• M5: 1,657,544 km (0.096 R)
• M6: 2,014,784 km (0.111 R)
• M7: 2,556,328 km (0.1 R)
• M8: 4,683,311 km (0.112 R)
• M9: 5,131,506 km (0.116 R)
• M10: 5,950,854 km (0.111 R)
• M11: 6,477,139 km (0.068 R)
• M12: 8,277,400 km (0.088 R)
• M13: 8,862,926 km (0.069 R)
• M14: 9,512,629 km (0.107 R)
• M15: 9,925,220 km (0.089 R)
• M16: 12,432,929 km (0.054 R)
• M17: 12,745,439 km (0.089 R)
• M18: 13,526,191 km (0.067 R)
• M19: 13,856,802 km (0.078 R)
• M20: 14,192,948 km (0.069 R)
• M21: 15,746,821 km (0.065 R)
• M22: 17,802,446 km (0.114 R)
• M23: 20,834,196 km (0.059 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.2

Radius: 14

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.61 AU - 4.05 AU

Year: 4271 Days

Day: 13 Hours

Environment

Temp: -219 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,148,251 km

• M1: 174,282 km (0.103 R)
• M2: 752,627 km (0.049 R)
• M3: 1,433,447 km (0.114 R)
• M4: 2,126,384 km (0.086 R)
• M5: 2,889,333 km (0.085 R)
• M6: 3,599,774 km (0.085 R)
• M7: 4,446,049 km (0.107 R)
• M8: 6,792,192 km (0.086 R)
• M9: 7,297,235 km (0.041 R)
• M10: 7,859,274 km (0.088 R)
• M11: 9,356,150 km (0.089 R)
• M12: 11,862,363 km (0.077 R)
• M13: 12,421,560 km (0.085 R)
• M14: 12,863,622 km (0.064 R)
• M15: 13,592,911 km (0.096 R)
• M16: 14,494,687 km (0.055 R)
• M17: 15,895,671 km (0.09 R)
• M18: 19,199,540 km (0.077 R)
• M19: 19,731,810 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 461.4

Radius: 6.9

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.25 AU - 6.23 AU

Year: 9667 Days

Day: 17.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,148,251 km

• M1: 85,869 km (0.1 R)
• M2: 301,739 km (0.09 R)
• M3: 571,613 km (0.083 R)
• M4: 1,342,790 km (0.106 R)
• M5: 1,711,250 km (0.113 R)
• M6: 3,210,520 km (0.105 R)
• M7: 3,601,569 km (0.079 R)
• M8: 3,998,302 km (0.088 R)
• M9: 6,154,157 km (0.09 R)
• M10: 9,299,153 km (0.08 R)
• M11: 10,287,098 km (0.073 R)
• M12: 11,291,498 km (0.09 R)
• M13: 11,978,451 km (0.074 R)
• M14: 12,581,181 km (0.089 R)
• M15: 12,805,279 km (0.1 R)
• M16: 14,633,813 km (0.096 R)
• M17: 15,195,703 km (0.111 R)
• M18: 17,938,879 km (0.081 R)
• M19: 18,946,421 km (0.109 R)
• M20: 22,032,774 km (0.114 R)
• M21: 23,950,918 km (0.032 R)
• M22: 24,994,812 km (0.099 R)
• M23: 25,977,820 km (0.085 R)
• M24: 27,547,700 km (0.037 R)
• M25: 30,874,906 km (0.049 R)
• M26: 33,593,099 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.8

Radius: 7.5

Gravity: 13.88 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 7.57 AU - 9.35 AU

Year: 17297 Days

Day: 19.8 Hours

Environment

Temp: -243 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,148,251 km

• M1: 94,546 km (0.06 R)
• M2: 399,576 km (0.113 R)
• M3: 1,040,453 km (0.028 R)
• M4: 1,273,975 km (0.097 R)
• M5: 1,641,388 km (0.112 R)
• M6: 2,219,135 km (0.116 R)
• M7: 3,262,730 km (0.09 R)
• M8: 3,984,988 km (0.106 R)
• M9: 4,704,853 km (0.107 R)
• M10: 5,546,939 km (0.034 R)
• M11: 6,024,306 km (0.079 R)
• M12: 7,198,650 km (0.108 R)
• M13: 7,574,290 km (0.075 R)
• M14: 7,864,360 km (0.12 R)
• M15: 9,539,407 km (0.098 R)
• M16: 16,935,825 km (0.089 R)
• M17: 18,893,613 km (0.114 R)
• M18: 20,156,668 km (0.11 R)
• M19: 21,571,265 km (0.118 R)
• M20: 26,652,805 km (0.045 R)
• M21: 27,551,889 km (0.101 R)
• M22: 27,894,169 km (0.118 R)
• M23: 30,980,373 km (0.112 R)
• M24: 31,474,644 km (0.098 R)
• M25: 31,974,002 km (0.082 R)
• M26: 38,244,546 km (0.066 R)
• M27: 39,822,056 km (0.049 R)
• M28: 40,700,644 km (0.1 R)
• M29: 45,446,337 km (0.085 R)
• M30: 47,541,755 km (0.076 R)
• M31: 49,869,348 km (0.073 R)
• M32: 51,233,082 km (0.027 R)
• M33: 52,097,758 km (0.111 R)
• M34: 52,446,470 km (0.092 R)
• M35: 63,842,836 km (0.075 R)
• M36: 71,716,770 km (0.055 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 20,081 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit