🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.7

Radius: 10.5

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.52 AU - 0.56 AU

Year: 274 Days

Day: 14.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,957,330 km

• M1: 130,599 km (0.098 R)
• M2: 551,567 km (0.058 R)
• M3: 883,974 km (0.098 R)
• M4: 1,268,141 km (0.07 R)
• M5: 1,751,941 km (0.114 R)
• M6: 2,155,556 km (0.094 R)
• M7: 2,647,134 km (0.077 R)
• M8: 3,066,308 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.6

Radius: 9.9

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.7 AU - 0.92 AU

Year: 503 Days

Day: 11.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,957,330 km

• M1: 123,418 km (0.073 R)
• M2: 517,309 km (0.108 R)
• M3: 1,017,266 km (0.074 R)
• M4: 1,422,077 km (0.05 R)
• M5: 1,933,403 km (0.103 R)
• M6: 2,290,942 km (0.106 R)
• M7: 2,638,458 km (0.097 R)
• M8: 3,313,892 km (0.114 R)
• M9: 4,158,970 km (0.113 R)
• M10: 4,776,510 km (0.109 R)
• M11: 5,090,666 km (0.105 R)
• M12: 5,489,494 km (0.073 R)
• M13: 6,854,275 km (0.087 R)
• M14: 7,169,328 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22

Radius: 14.9

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.26 AU - 1.82 AU

Year: 1319 Days

Day: 9.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 20,957,330 km

• M1: 185,352 km (0.092 R)
• M2: 681,568 km (0.057 R)
• M3: 1,176,438 km (0.105 R)
• M4: 1,798,316 km (0.098 R)
• M5: 3,105,951 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.2

Radius: 11.3

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.83 AU - 4.01 AU

Year: 5357 Days

Day: 14 Hours

Environment

Temp: -222 °C

Axial Tilt: 118.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 20,957,330 km

• M1: 140,622 km (0.059 R)
• M2: 576,550 km (0.104 R)
• M3: 1,759,421 km (0.119 R)
• M4: 2,619,309 km (0.108 R)
• M5: 3,164,893 km (0.077 R)
• M6: 3,562,673 km (0.109 R)
• M7: 3,923,354 km (0.117 R)
• M8: 4,408,799 km (0.11 R)
• M9: 5,155,741 km (0.083 R)
• M10: 6,205,768 km (0.114 R)
• M11: 9,513,677 km (0.049 R)
• M12: 9,946,762 km (0.111 R)
• M13: 10,946,375 km (0.082 R)
• M14: 11,912,179 km (0.098 R)
• M15: 14,517,426 km (0.053 R)
• M16: 17,804,989 km (0.109 R)
• M17: 18,397,397 km (0.093 R)
• M18: 19,002,969 km (0.09 R)
• M19: 19,413,914 km (0.101 R)
• M20: 19,830,843 km (0.083 R)
• M21: 20,396,174 km (0.046 R)
• M22: 23,073,826 km (0.11 R)
• M23: 23,857,270 km (0.065 R)
• M24: 24,416,317 km (0.099 R)
• M25: 25,065,722 km (0.112 R)
• M26: 25,977,521 km (0.091 R)
• M27: 28,220,591 km (0.033 R)
• M28: 31,726,716 km (0.039 R)
• M29: 32,597,825 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.9

Radius: 11.3

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.34 AU - 6.22 AU

Year: 8375 Days

Day: 8.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 20,957,330 km

• M1: 140,622 km (0.108 R)
• M2: 592,108 km (0.08 R)
• M3: 1,000,062 km (0.075 R)
• M4: 1,501,364 km (0.101 R)
• M5: 2,074,474 km (0.052 R)
• M6: 2,534,188 km (0.026 R)
• M7: 2,981,934 km (0.11 R)
• M8: 4,545,980 km (0.111 R)
• M9: 5,211,242 km (0.104 R)
• M10: 9,037,207 km (0.11 R)
• M11: 10,835,673 km (0.052 R)
• M12: 11,271,152 km (0.062 R)
• M13: 11,971,869 km (0.081 R)
• M14: 12,542,585 km (0.05 R)
• M15: 21,029,421 km (0.048 R)
• M16: 21,937,481 km (0.034 R)
• M17: 23,109,131 km (0.063 R)
• M18: 23,831,838 km (0.097 R)
• M19: 24,569,655 km (0.071 R)
• M20: 25,407,104 km (0.096 R)
• M21: 27,405,432 km (0.104 R)
• M22: 28,672,077 km (0.065 R)
• M23: 29,600,332 km (0.117 R)
• M24: 33,209,830 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.4

Radius: 9.3

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.39 AU - 6.63 AU

Year: 8928 Days

Day: 11.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 20,957,330 km

• M1: 115,639 km (0.109 R)
• M2: 853,306 km (0.097 R)
• M3: 1,390,363 km (0.079 R)
• M4: 1,781,711 km (0.088 R)
• M5: 2,355,418 km (0.058 R)
• M6: 2,706,375 km (0.103 R)
• M7: 3,003,476 km (0.096 R)
• M8: 4,893,496 km (0.052 R)
• M9: 6,716,047 km (0.096 R)
• M10: 7,550,205 km (0.116 R)
• M11: 8,541,141 km (0.118 R)
• M12: 9,138,336 km (0.118 R)
• M13: 10,416,201 km (0.073 R)
• M14: 12,492,619 km (0.109 R)
• M15: 15,357,717 km (0.06 R)
• M16: 16,942,856 km (0.077 R)
• M17: 17,738,268 km (0.047 R)
• M18: 19,093,176 km (0.067 R)
• M19: 24,018,387 km (0.081 R)
• M20: 25,207,092 km (0.083 R)
• M21: 26,434,692 km (0.105 R)
• M22: 26,820,355 km (0.047 R)
• M23: 28,300,028 km (0.116 R)
• M24: 29,008,822 km (0.066 R)
• M25: 29,833,256 km (0.112 R)
• M26: 30,356,400 km (0.109 R)
• M27: 32,953,419 km (0.1 R)
• M28: 33,288,069 km (0.077 R)
• M29: 34,191,641 km (0.073 R)
• M30: 34,764,750 km (0.063 R)
• M31: 36,760,984 km (0.084 R)
• M32: 41,367,701 km (0.108 R)
• M33: 45,099,569 km (0.101 R)
• M34: 47,047,034 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.3

Radius: 5.4

Gravity: 23.43 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 7.23 AU - 7.97 AU

Year: 14462 Days

Day: 20.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,957,330 km

• M1: 74,350 km (0.12 R)
• M2: 454,478 km (0.081 R)
• M3: 1,453,792 km (0.109 R)
• M4: 2,690,368 km (0.11 R)
• M5: 2,921,646 km (0.11 R)
• M6: 5,754,581 km (0.068 R)
• M7: 7,090,191 km (0.112 R)
• M8: 8,570,911 km (0.078 R)
• M9: 9,754,679 km (0.071 R)
• M10: 11,698,254 km (0.09 R)
• M11: 15,220,087 km (0.117 R)
• M12: 19,050,990 km (0.117 R)
• M13: 23,478,638 km (0.06 R)
• M14: 23,965,579 km (0.117 R)
• M15: 25,365,217 km (0.066 R)
• M16: 26,397,591 km (0.077 R)
• M17: 53,020,926 km (0.077 R)
• M18: 55,389,210 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606

Radius: 5.8

Gravity: 18.01 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 7.61 AU - 7.87 AU

Year: 14864 Days

Day: 22.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 20,957,330 km

• M1: 72,106 km (0.091 R)
• M2: 341,083 km (0.062 R)
• M3: 899,532 km (0.117 R)
• M4: 1,186,012 km (0.034 R)
• M5: 1,547,141 km (0.07 R)
• M6: 2,165,130 km (0.042 R)
• M7: 2,727,468 km (0.074 R)
• M8: 3,055,237 km (0.089 R)
• M9: 3,356,677 km (0.119 R)
• M10: 3,568,508 km (0.073 R)
• M11: 4,475,220 km (0.046 R)
• M12: 5,974,789 km (0.109 R)
• M13: 6,568,543 km (0.075 R)
• M14: 6,900,950 km (0.104 R)
• M15: 9,289,579 km (0.075 R)
• M16: 9,708,603 km (0.118 R)
• M17: 10,085,290 km (0.095 R)
• M18: 11,570,797 km (0.12 R)
• M19: 13,725,605 km (0.098 R)
• M20: 13,995,479 km (0.063 R)
• M21: 14,615,712 km (0.105 R)
• M22: 16,359,275 km (0.049 R)
• M23: 17,437,876 km (0.117 R)
• M24: 18,075,163 km (0.088 R)
• M25: 18,810,436 km (0.081 R)
• M26: 19,993,456 km (0.088 R)
• M27: 23,262,170 km (0.085 R)
• M28: 25,123,018 km (0.102 R)
• M29: 25,730,834 km (0.057 R)
• M30: 31,065,344 km (0.103 R)
• M31: 31,530,743 km (0.11 R)
• M32: 35,171,207 km (0.116 R)
• M33: 40,309,745 km (0.082 R)
• M34: 40,863,406 km (0.114 R)
• M35: 47,293,123 km (0.081 R)
• M36: 48,374,566 km (0.117 R)
• M37: 57,102,255 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.4

Radius: 5.9

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.04 AU - 9.46 AU

Year: 16357 Days

Day: 23.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,957,330 km

• M1: 73,303 km (0.08 R)
• M2: 324,179 km (0.045 R)
• M3: 1,745,358 km (0.108 R)
• M4: 2,652,669 km (0.079 R)
• M5: 3,435,515 km (0.115 R)
• M6: 4,127,106 km (0.098 R)
• M7: 4,675,083 km (0.087 R)
• M8: 6,242,719 km (0.109 R)
• M9: 7,453,564 km (0.077 R)
• M10: 8,264,534 km (0.119 R)
• M11: 8,813,559 km (0.11 R)
• M12: 9,096,897 km (0.104 R)
• M13: 10,369,975 km (0.111 R)
• M14: 14,945,276 km (0.078 R)
• M15: 15,759,088 km (0.115 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: 170 - 13,211 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit