🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330

Radius: 8.9

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.61 AU - 0.69 AU

Year: 368 Days

Day: 7 Hours

Environment

Temp: -148 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,274,611 km

• M1: 110,702 km (0.1 R)
• M2: 391,797 km (0.103 R)
• M3: 929,751 km (0.073 R)
• M4: 1,317,658 km (0.119 R)
• M5: 1,705,416 km (0.034 R)
• M6: 2,722,382 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.7

Radius: 13

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.6 AU - 1.66 AU

Year: 1463 Days

Day: 7.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,274,611 km

• M1: 161,715 km (0.105 R)
• M2: 569,070 km (0.1 R)
• M3: 1,009,187 km (0.115 R)
• M4: 1,471,594 km (0.111 R)
• M5: 2,212,852 km (0.057 R)
• M6: 2,832,037 km (0.085 R)
• M7: 3,405,745 km (0.085 R)
• M8: 3,847,508 km (0.111 R)
• M9: 4,272,366 km (0.058 R)
• M10: 4,827,972 km (0.112 R)
• M11: 5,740,369 km (0.116 R)
• M12: 6,297,771 km (0.078 R)
• M13: 8,422,061 km (0.06 R)
• M14: 8,928,899 km (0.086 R)
• M15: 9,551,226 km (0.106 R)
• M16: 10,235,636 km (0.12 R)
• M17: 11,057,527 km (0.082 R)
• M18: 12,259,097 km (0.109 R)
• M19: 12,717,016 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.1

Radius: 8.3

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3 AU - 3.04 AU

Year: 3689 Days

Day: 7.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,274,611 km

• M1: 103,223 km (0.104 R)
• M2: 1,045,390 km (0.033 R)
• M3: 2,322,806 km (0.097 R)
• M4: 2,597,318 km (0.063 R)
• M5: 3,174,467 km (0.084 R)
• M6: 3,650,936 km (0.091 R)
• M7: 5,834,915 km (0.116 R)
• M8: 7,871,690 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.1

Radius: 9.4

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.7 AU - 3.78 AU

Year: 4099 Days

Day: 13.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,274,611 km

• M1: 117,434 km (0.09 R)
• M2: 459,415 km (0.116 R)
• M3: 1,109,268 km (0.083 R)
• M4: 1,474,736 km (0.063 R)
• M5: 1,946,119 km (0.039 R)
• M6: 2,261,022 km (0.071 R)
• M7: 2,908,332 km (0.117 R)
• M8: 3,495,504 km (0.117 R)
• M9: 4,072,503 km (0.117 R)
• M10: 4,808,076 km (0.089 R)
• M11: 5,337,203 km (0.078 R)
• M12: 5,960,877 km (0.102 R)
• M13: 6,422,835 km (0.08 R)
• M14: 7,002,228 km (0.063 R)
• M15: 7,418,409 km (0.038 R)
• M16: 7,716,109 km (0.098 R)
• M17: 8,442,107 km (0.026 R)
• M18: 10,030,088 km (0.089 R)
• M19: 11,630,187 km (0.089 R)
• M20: 14,595,516 km (0.101 R)
• M21: 15,489,214 km (0.084 R)
• M22: 18,570,631 km (0.112 R)
• M23: 20,707,487 km (0.08 R)
• M24: 22,794,228 km (0.066 R)
• M25: 24,068,203 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.3

Radius: 9.7

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.78 AU - 3.82 AU

Year: 5207 Days

Day: 8.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,274,611 km

• M1: 121,025 km (0.111 R)
• M2: 423,212 km (0.062 R)
• M3: 755,619 km (0.109 R)
• M4: 1,270,684 km (0.083 R)
• M5: 1,659,489 km (0.057 R)
• M6: 2,008,501 km (0.079 R)
• M7: 2,653,118 km (0.094 R)
• M8: 3,964,643 km (0.085 R)
• M9: 4,574,703 km (0.107 R)
• M10: 6,811,789 km (0.086 R)
• M11: 8,667,701 km (0.102 R)
• M12: 10,149,019 km (0.119 R)
• M13: 11,100,012 km (0.117 R)
• M14: 12,149,441 km (0.08 R)
• M15: 14,625,137 km (0.075 R)
• M16: 14,991,203 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.2

Radius: 14.6

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.55 AU - 4.71 AU

Year: 5900 Days

Day: 7.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,274,611 km

• M1: 182,210 km (0.101 R)
• M2: 667,805 km (0.049 R)
• M3: 1,599,052 km (0.116 R)
• M4: 2,337,467 km (0.088 R)
• M5: 3,062,418 km (0.084 R)
• M6: 3,647,645 km (0.027 R)
• M7: 5,545,743 km (0.106 R)
• M8: 6,078,909 km (0.109 R)
• M9: 7,528,064 km (0.08 R)
• M10: 11,380,508 km (0.118 R)
• M11: 13,998,022 km (0.114 R)
• M12: 15,678,904 km (0.09 R)
• M13: 18,577,812 km (0.089 R)
• M14: 21,384,118 km (0.119 R)
• M15: 28,168,531 km (0.068 R)
• M16: 29,394,186 km (0.109 R)
• M17: 30,110,162 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765.5

Radius: 7.6

Gravity: 13.25 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.19 AU - 8.27 AU

Year: 13665 Days

Day: 18.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,274,611 km

• M1: 94,546 km (0.052 R)
• M2: 344,973 km (0.066 R)
• M3: 838,646 km (0.076 R)
• M4: 1,181,823 km (0.103 R)
• M5: 1,555,519 km (0.113 R)
• M6: 2,155,406 km (0.099 R)
• M7: 2,627,836 km (0.106 R)
• M8: 2,947,976 km (0.07 R)
• M9: 3,319,726 km (0.111 R)
• M10: 3,584,664 km (0.109 R)
• M11: 4,278,798 km (0.073 R)
• M12: 4,756,315 km (0.097 R)
• M13: 5,163,520 km (0.096 R)
• M14: 7,648,042 km (0.098 R)
• M15: 8,017,847 km (0.087 R)
• M16: 8,843,628 km (0.08 R)
• M17: 10,663,336 km (0.096 R)
• M18: 12,213,469 km (0.06 R)
• M19: 14,113,362 km (0.096 R)
• M20: 15,460,042 km (0.091 R)
• M21: 16,051,852 km (0.087 R)
• M22: 18,820,160 km (0.033 R)
• M23: 19,240,081 km (0.106 R)
• M24: 21,252,322 km (0.077 R)
• M25: 28,015,492 km (0.106 R)
• M26: 30,248,091 km (0.109 R)
• M27: 33,692,283 km (0.051 R)
• M28: 35,444,822 km (0.113 R)
• M29: 42,343,378 km (0.118 R)
• M30: 44,977,049 km (0.093 R)
• M31: 46,945,757 km (0.025 R)
• M32: 52,696,149 km (0.078 R)
• M33: 53,195,656 km (0.118 R)
• M34: 57,304,960 km (0.099 R)
• M35: 60,522,212 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518

Radius: 3.3

Gravity: 47.57 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7.27 AU - 8.09 AU

Year: 14961 Days

Day: 21.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 58.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 66,274,611 km

• M1: 74,799 km (0.097 R)
• M2: 932,892 km (0.09 R)
• M3: 1,692,700 km (0.097 R)
• M4: 2,225,717 km (0.076 R)
• M5: 2,794,039 km (0.079 R)
• M6: 3,173,270 km (0.111 R)
• M7: 3,666,943 km (0.11 R)
• M8: 5,105,177 km (0.063 R)
• M9: 5,453,441 km (0.051 R)
• M10: 6,043,455 km (0.115 R)
• M11: 7,975,062 km (0.112 R)
• M12: 8,539,346 km (0.034 R)
• M13: 10,723,923 km (0.063 R)
• M14: 11,410,428 km (0.057 R)
• M15: 11,824,216 km (0.112 R)
• M16: 12,004,631 km (0.07 R)
• M17: 13,514,073 km (0.09 R)
• M18: 14,246,355 km (0.098 R)
• M19: 15,075,127 km (0.095 R)
• M20: 15,789,756 km (0.09 R)
• M21: 19,873,030 km (0.118 R)
• M22: 22,064,938 km (0.085 R)
• M23: 25,000,048 km (0.091 R)
• M24: 28,078,024 km (0.054 R)
• M25: 29,048,466 km (0.09 R)
• M26: 29,818,596 km (0.061 R)
• M27: 34,973,140 km (0.112 R)
• M28: 37,113,736 km (0.057 R)
• M29: 40,690,621 km (0.077 R)
• M30: 43,198,480 km (0.086 R)
• M31: 44,635,367 km (0.117 R)
• M32: 46,103,820 km (0.075 R)
• M33: 49,758,795 km (0.085 R)
• M34: 51,656,594 km (0.06 R)
• M35: 52,948,222 km (0.118 R)
• M36: 56,271,389 km (0.084 R)
• M37: 56,611,125 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 412.9

Radius: 3.7

Gravity: 30.16 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.83 AU - 11.39 AU

Year: 20941 Days

Day: 23.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,274,611 km

• M1: 57,595 km (0.081 R)
• M2: 227,688 km (0.112 R)
• M3: 522,097 km (0.055 R)
• M4: 686,056 km (0.053 R)
• M5: 1,278,463 km (0.069 R)
• M6: 3,161,751 km (0.085 R)
• M7: 3,482,938 km (0.094 R)
• M8: 3,766,874 km (0.108 R)
• M9: 4,413,137 km (0.074 R)
• M10: 6,202,627 km (0.089 R)
• M11: 6,450,511 km (0.096 R)
• M12: 8,779,749 km (0.087 R)
• M13: 10,826,099 km (0.102 R)
• M14: 11,004,868 km (0.093 R)
• M15: 12,834,749 km (0.066 R)
• M16: 13,169,549 km (0.043 R)
• M17: 15,753,853 km (0.091 R)
• M18: 22,568,335 km (0.066 R)
• M19: 24,662,855 km (0.096 R)
• M20: 25,180,014 km (0.119 R)
• M21: 27,211,105 km (0.097 R)
• M22: 30,281,601 km (0.073 R)
• M23: 30,517,816 km (0.093 R)
• M24: 33,701,408 km (0.075 R)
• M25: 37,505,533 km (0.046 R)
• M26: 41,440,705 km (0.072 R)
• M27: 43,959,185 km (0.097 R)
• M28: 44,262,120 km (0.093 R)
• M29: 46,735,123 km (0.105 R)
• M30: 47,685,817 km (0.081 R)
• M31: 48,165,877 km (0.083 R)
• M32: 50,283,734 km (0.09 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 15,002 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit