🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.9

Radius: 14.4

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.92 AU - 1.18 AU

Year: 684 Days

Day: 9 Hours

Environment

Temp: -168 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,216,470 km

• M1: 179,069 km (0.086 R)
• M2: 633,697 km (0.12 R)
• M3: 1,220,270 km (0.115 R)
• M4: 1,927,569 km (0.118 R)
• M5: 2,521,472 km (0.102 R)
• M6: 3,422,201 km (0.045 R)
• M7: 4,208,039 km (0.079 R)
• M8: 4,745,544 km (0.118 R)
• M9: 5,365,926 km (0.106 R)
• M10: 5,841,797 km (0.085 R)
• M11: 6,387,530 km (0.103 R)
• M12: 7,145,542 km (0.052 R)
• M13: 7,914,625 km (0.117 R)
• M14: 8,815,952 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.1

Radius: 14.3

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.17 AU - 1.41 AU

Year: 932 Days

Day: 5.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,216,470 km

• M1: 178,021 km (0.113 R)
• M2: 626,516 km (0.056 R)
• M3: 1,073,215 km (0.096 R)
• M4: 1,622,539 km (0.113 R)
• M5: 2,234,843 km (0.095 R)
• M6: 3,738,152 km (0.065 R)
• M7: 5,256,420 km (0.104 R)
• M8: 6,103,444 km (0.106 R)
• M9: 6,592,928 km (0.117 R)
• M10: 7,201,043 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582

Radius: 13.5

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.24 AU - 2.78 AU

Year: 2528 Days

Day: 8.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,216,470 km

• M1: 170,242 km (0.096 R)
• M2: 844,031 km (0.111 R)
• M3: 1,538,764 km (0.117 R)
• M4: 2,258,030 km (0.059 R)
• M5: 2,711,312 km (0.077 R)
• M6: 3,292,649 km (0.034 R)
• M7: 4,013,860 km (0.114 R)
• M8: 4,454,127 km (0.068 R)
• M9: 5,061,494 km (0.049 R)
• M10: 5,552,923 km (0.08 R)
• M11: 6,880,604 km (0.042 R)
• M12: 7,664,497 km (0.108 R)
• M13: 8,251,220 km (0.061 R)
• M14: 11,096,272 km (0.099 R)
• M15: 12,591,952 km (0.114 R)
• M16: 13,018,306 km (0.093 R)
• M17: 13,676,088 km (0.114 R)
• M18: 14,355,860 km (0.034 R)
• M19: 15,105,795 km (0.093 R)
• M20: 16,179,309 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.9

Radius: 12.3

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.28 AU - 3.32 AU

Year: 2979 Days

Day: 6.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,216,470 km

• M1: 153,338 km (0.115 R)
• M2: 589,864 km (0.066 R)
• M3: 977,622 km (0.106 R)
• M4: 1,586,186 km (0.114 R)
• M5: 2,120,251 km (0.113 R)
• M6: 2,757,837 km (0.087 R)
• M7: 3,172,522 km (0.111 R)
• M8: 4,921,471 km (0.066 R)
• M9: 5,366,076 km (0.108 R)
• M10: 6,582,606 km (0.032 R)
• M11: 7,694,267 km (0.115 R)
• M12: 8,458,563 km (0.096 R)
• M13: 8,893,294 km (0.118 R)
• M14: 9,990,445 km (0.071 R)
• M15: 13,016,511 km (0.08 R)
• M16: 16,710,980 km (0.118 R)
• M17: 17,397,036 km (0.072 R)
• M18: 17,828,625 km (0.086 R)
• M19: 18,545,050 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.2

Radius: 8.5

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.39 AU - 3.45 AU

Year: 3173 Days

Day: 5.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,216,470 km

• M1: 106,065 km (0.094 R)
• M2: 377,286 km (0.103 R)
• M3: 827,875 km (0.064 R)
• M4: 1,297,762 km (0.119 R)
• M5: 1,683,275 km (0.044 R)
• M6: 2,132,218 km (0.1 R)
• M7: 2,700,840 km (0.118 R)
• M8: 3,686,690 km (0.099 R)
• M9: 5,087,225 km (0.032 R)
• M10: 5,509,540 km (0.094 R)
• M11: 5,883,235 km (0.055 R)
• M12: 6,526,506 km (0.076 R)
• M13: 6,865,196 km (0.065 R)
• M14: 7,161,100 km (0.082 R)
• M15: 7,749,469 km (0.087 R)
• M16: 8,369,702 km (0.052 R)
• M17: 8,895,688 km (0.053 R)
• M18: 9,312,767 km (0.092 R)
• M19: 9,742,711 km (0.107 R)
• M20: 10,013,782 km (0.056 R)
• M21: 10,606,788 km (0.061 R)
• M22: 12,289,465 km (0.106 R)
• M23: 12,606,164 km (0.107 R)
• M24: 13,339,044 km (0.082 R)
• M25: 14,272,834 km (0.081 R)
• M26: 14,800,166 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717

Radius: 13.8

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.49 AU - 4.97 AU

Year: 5532 Days

Day: 14.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,216,470 km

• M1: 171,738 km (0.091 R)
• M2: 693,685 km (0.069 R)
• M3: 1,152,951 km (0.084 R)
• M4: 1,693,747 km (0.081 R)
• M5: 4,274,011 km (0.112 R)
• M6: 5,167,260 km (0.063 R)
• M7: 5,748,747 km (0.114 R)
• M8: 6,276,977 km (0.059 R)
• M9: 6,974,402 km (0.104 R)
• M10: 7,834,291 km (0.113 R)
• M11: 9,007,288 km (0.067 R)
• M12: 10,115,808 km (0.1 R)
• M13: 12,603,621 km (0.092 R)
• M14: 13,284,441 km (0.069 R)
• M15: 15,181,491 km (0.066 R)
• M16: 16,256,202 km (0.107 R)
• M17: 16,812,108 km (0.102 R)
• M18: 19,715,503 km (0.105 R)
• M19: 21,580,091 km (0.093 R)
• M20: 22,479,324 km (0.059 R)
• M21: 22,938,141 km (0.077 R)
• M22: 32,794,845 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.9

Radius: 11.9

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.34 AU - 5.62 AU

Year: 7066 Days

Day: 10 Hours

Environment

Temp: -207 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,216,470 km

• M1: 148,401 km (0.102 R)
• M2: 670,049 km (0.091 R)
• M3: 1,397,095 km (0.106 R)
• M4: 1,767,200 km (0.094 R)
• M5: 3,453,467 km (0.113 R)
• M6: 4,376,935 km (0.069 R)
• M7: 4,812,264 km (0.059 R)
• M8: 7,669,883 km (0.065 R)
• M9: 9,104,975 km (0.088 R)
• M10: 11,005,317 km (0.089 R)
• M11: 11,506,320 km (0.091 R)
• M12: 13,101,482 km (0.093 R)
• M13: 14,185,169 km (0.031 R)
• M14: 14,658,946 km (0.066 R)
• M15: 15,389,432 km (0.032 R)
• M16: 18,277,120 km (0.111 R)
• M17: 20,441,801 km (0.057 R)
• M18: 20,818,488 km (0.098 R)
• M19: 22,933,653 km (0.111 R)
• M20: 26,148,062 km (0.083 R)
• M21: 30,524,698 km (0.087 R)
• M22: 33,874,493 km (0.058 R)
• M23: 37,237,453 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.2

Radius: 7.2

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.35 AU - 8.07 AU

Year: 11051 Days

Day: 17.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,216,470 km

• M1: 121,473 km (0.105 R)
• M2: 348,862 km (0.106 R)
• M3: 688,749 km (0.086 R)
• M4: 2,149,273 km (0.06 R)
• M5: 3,077,527 km (0.059 R)
• M6: 4,673,737 km (0.096 R)
• M7: 6,054,974 km (0.039 R)
• M8: 10,239,525 km (0.118 R)
• M9: 12,388,050 km (0.098 R)
• M10: 16,207,433 km (0.038 R)
• M11: 18,840,057 km (0.106 R)
• M12: 20,326,910 km (0.098 R)
• M13: 23,916,361 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.1

Radius: 3.1

Gravity: 101.16 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 6.19 AU - 7.57 AU

Year: 11474 Days

Day: 23.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,216,470 km

• M1: 38,596 km (0.051 R)
• M2: 193,580 km (0.043 R)
• M3: 294,109 km (0.114 R)
• M4: 496,515 km (0.113 R)
• M5: 666,758 km (0.077 R)
• M6: 1,712,447 km (0.111 R)
• M7: 2,567,997 km (0.116 R)
• M8: 3,100,266 km (0.112 R)
• M9: 3,275,894 km (0.093 R)
• M10: 4,255,311 km (0.096 R)
• M11: 5,133,002 km (0.052 R)
• M12: 5,932,304 km (0.096 R)
• M13: 6,163,881 km (0.034 R)
• M14: 8,430,139 km (0.109 R)
• M15: 9,225,701 km (0.105 R)
• M16: 10,233,841 km (0.099 R)
• M17: 18,671,161 km (0.052 R)
• M18: 23,656,210 km (0.089 R)
• M19: 24,928,092 km (0.028 R)
• M20: 25,127,805 km (0.095 R)
• M21: 25,733,078 km (0.092 R)
• M22: 32,094,129 km (0.05 R)
• M23: 33,408,047 km (0.119 R)
• M24: 39,833,874 km (0.111 R)
• M25: 43,047,685 km (0.07 R)
• M26: 46,279,448 km (0.086 R)
• M27: 48,108,581 km (0.063 R)
• M28: 49,354,432 km (0.098 R)
• M29: 53,055,633 km (0.076 R)
• M30: 56,937,548 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.8

Radius: 4.7

Gravity: 36.43 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 7.8 AU - 8.14 AU

Year: 14306 Days

Day: 21.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 64,216,470 km

• M1: 58,493 km (0.086 R)
• M2: 341,382 km (0.071 R)
• M3: 491,579 km (0.113 R)
• M4: 1,705,565 km (0.111 R)
• M5: 2,044,704 km (0.081 R)
• M6: 2,301,713 km (0.087 R)
• M7: 3,308,207 km (0.099 R)
• M8: 3,691,327 km (0.086 R)
• M9: 3,982,595 km (0.025 R)
• M10: 4,577,994 km (0.07 R)
• M11: 5,088,572 km (0.103 R)
• M12: 5,788,690 km (0.099 R)
• M13: 6,141,890 km (0.092 R)
• M14: 6,934,460 km (0.087 R)
• M15: 7,109,489 km (0.098 R)
• M16: 8,370,450 km (0.119 R)
• M17: 9,827,982 km (0.118 R)
• M18: 10,049,237 km (0.108 R)
• M19: 10,273,634 km (0.071 R)
• M20: 10,967,319 km (0.096 R)
• M21: 12,447,440 km (0.061 R)
• M22: 13,437,180 km (0.078 R)
• M23: 17,677,831 km (0.109 R)
• M24: 19,702,488 km (0.108 R)
• M25: 25,741,904 km (0.03 R)
• M26: 28,333,538 km (0.037 R)
• M27: 30,622,086 km (0.094 R)
• M28: 30,975,586 km (0.029 R)
• M29: 31,451,157 km (0.098 R)
• M30: 35,174,947 km (0.068 R)
• M31: 35,692,556 km (0.085 R)
• M32: 36,875,875 km (0.116 R)
• M33: 37,949,539 km (0.113 R)
• M34: 40,440,942 km (0.107 R)
• M35: 49,046,410 km (0.058 R)
• M36: 50,671,940 km (0.033 R)
• M37: 53,687,983 km (0.079 R)
• M38: 56,644,187 km (0.046 R)
• M39: 57,533,845 km (0.089 R)
• M40: 61,934,416 km (0.092 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 12,780 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit