🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.4

Radius: 13.1

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.89 AU - 0.93 AU

Year: 579 Days

Day: 14.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,866,601 km

• M1: 162,912 km (0.11 R)
• M2: 604,226 km (0.055 R)
• M3: 1,241,064 km (0.093 R)
• M4: 2,156,453 km (0.05 R)
• M5: 2,921,198 km (0.098 R)
• M6: 3,421,602 km (0.111 R)
• M7: 3,926,047 km (0.074 R)
• M8: 4,596,843 km (0.073 R)
• M9: 5,181,173 km (0.069 R)
• M10: 5,832,073 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.4

Radius: 11.5

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.27 AU - 1.71 AU

Year: 1213 Days

Day: 7.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,866,601 km

• M1: 143,016 km (0.101 R)
• M2: 616,942 km (0.097 R)
• M3: 1,113,607 km (0.1 R)
• M4: 1,509,592 km (0.113 R)
• M5: 1,911,861 km (0.091 R)
• M6: 2,375,016 km (0.076 R)
• M7: 3,470,371 km (0.088 R)
• M8: 5,359,942 km (0.034 R)
• M9: 5,728,102 km (0.05 R)
• M10: 6,447,070 km (0.095 R)
• M11: 7,650,286 km (0.109 R)
• M12: 9,140,579 km (0.033 R)
• M13: 9,548,982 km (0.086 R)
• M14: 10,122,839 km (0.109 R)
• M15: 10,816,076 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.9

Radius: 12.2

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.54 AU - 2.04 AU

Year: 1597 Days

Day: 11.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,866,601 km

• M1: 152,440 km (0.097 R)
• M2: 598,391 km (0.085 R)
• M3: 1,368,671 km (0.103 R)
• M4: 1,849,329 km (0.118 R)
• M5: 2,289,296 km (0.117 R)
• M6: 2,727,917 km (0.117 R)
• M7: 3,351,740 km (0.082 R)
• M8: 3,849,004 km (0.06 R)
• M9: 4,454,576 km (0.088 R)
• M10: 5,211,092 km (0.037 R)
• M11: 5,597,204 km (0.11 R)
• M12: 6,002,465 km (0.117 R)
• M13: 6,686,576 km (0.083 R)
• M14: 7,226,475 km (0.11 R)
• M15: 9,989,996 km (0.083 R)
• M16: 11,780,384 km (0.109 R)
• M17: 12,210,029 km (0.109 R)
• M18: 13,142,323 km (0.116 R)
• M19: 14,208,955 km (0.101 R)
• M20: 15,240,433 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.1

Radius: 14.5

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.62 AU - 4.66 AU

Year: 6665 Days

Day: 7.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,866,601 km

• M1: 180,265 km (0.066 R)
• M2: 836,551 km (0.109 R)
• M3: 1,375,852 km (0.052 R)
• M4: 2,403,888 km (0.101 R)
• M5: 2,892,176 km (0.105 R)
• M6: 3,469,923 km (0.097 R)
• M7: 4,176,174 km (0.119 R)
• M8: 5,006,293 km (0.1 R)
• M9: 5,910,911 km (0.071 R)
• M10: 8,672,937 km (0.092 R)
• M11: 9,605,978 km (0.075 R)
• M12: 10,753,095 km (0.086 R)
• M13: 11,308,552 km (0.05 R)
• M14: 12,258,798 km (0.057 R)
• M15: 13,204,705 km (0.097 R)
• M16: 14,683,480 km (0.114 R)
• M17: 17,275,263 km (0.101 R)
• M18: 23,686,579 km (0.081 R)
• M19: 25,774,816 km (0.101 R)
• M20: 30,016,813 km (0.099 R)
• M21: 31,426,174 km (0.094 R)
• M22: 35,919,197 km (0.105 R)
• M23: 36,594,182 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.1

Radius: 14.1

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.89 AU - 5.33 AU

Year: 7703 Days

Day: 9.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,866,601 km

• M1: 175,478 km (0.106 R)
• M2: 774,019 km (0.095 R)
• M3: 1,248,095 km (0.045 R)
• M4: 1,878,800 km (0.097 R)
• M5: 2,974,155 km (0.078 R)
• M6: 3,445,538 km (0.116 R)
• M7: 3,893,135 km (0.104 R)
• M8: 4,379,627 km (0.092 R)
• M9: 5,171,299 km (0.111 R)
• M10: 5,633,706 km (0.056 R)
• M11: 6,123,639 km (0.041 R)
• M12: 6,785,311 km (0.096 R)
• M13: 7,494,255 km (0.056 R)
• M14: 8,586,469 km (0.08 R)
• M15: 10,156,947 km (0.1 R)
• M16: 10,639,101 km (0.113 R)
• M17: 11,806,264 km (0.09 R)
• M18: 15,440,894 km (0.104 R)
• M19: 16,669,392 km (0.093 R)
• M20: 17,684,563 km (0.061 R)
• M21: 18,454,842 km (0.095 R)
• M22: 20,364,609 km (0.107 R)
• M23: 24,746,779 km (0.112 R)
• M24: 25,357,437 km (0.113 R)
• M25: 25,799,649 km (0.038 R)
• M26: 26,337,154 km (0.045 R)
• M27: 29,917,181 km (0.113 R)
• M28: 35,325,293 km (0.101 R)
• M29: 38,375,295 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.2

Radius: 6.7

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.26 AU - 6.66 AU

Year: 10949 Days

Day: 22.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,866,601 km

• M1: 83,476 km (0.104 R)
• M2: 321,037 km (0.078 R)
• M3: 799,002 km (0.054 R)
• M4: 1,122,283 km (0.088 R)
• M5: 1,426,416 km (0.114 R)
• M6: 1,922,183 km (0.03 R)
• M7: 3,602,018 km (0.103 R)
• M8: 3,874,435 km (0.032 R)
• M9: 4,268,177 km (0.116 R)
• M10: 4,923,266 km (0.103 R)
• M11: 5,742,314 km (0.079 R)
• M12: 6,503,618 km (0.03 R)
• M13: 7,647,593 km (0.082 R)
• M14: 8,875,492 km (0.074 R)
• M15: 10,626,086 km (0.049 R)
• M16: 12,482,596 km (0.09 R)
• M17: 12,707,741 km (0.039 R)
• M18: 13,576,007 km (0.081 R)
• M19: 14,483,318 km (0.092 R)
• M20: 15,046,703 km (0.065 R)
• M21: 15,689,825 km (0.075 R)
• M22: 16,418,067 km (0.093 R)
• M23: 16,688,540 km (0.036 R)
• M24: 20,871,297 km (0.109 R)
• M25: 23,415,807 km (0.04 R)
• M26: 23,758,535 km (0.03 R)
• M27: 30,007,687 km (0.089 R)
• M28: 31,335,219 km (0.095 R)
• M29: 32,382,703 km (0.114 R)
• M30: 33,129,645 km (0.12 R)
• M31: 33,561,684 km (0.089 R)
• M32: 35,215,040 km (0.113 R)
• M33: 35,891,372 km (0.109 R)
• M34: 37,503,139 km (0.113 R)
• M35: 38,090,161 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737

Radius: 3.8

Gravity: 51.04 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.86 AU - 7.56 AU

Year: 11591 Days

Day: 18.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,866,601 km

• M1: 47,273 km (0.101 R)
• M2: 192,682 km (0.117 R)
• M3: 395,686 km (0.053 R)
• M4: 548,725 km (0.103 R)
• M5: 913,744 km (0.078 R)
• M6: 1,078,002 km (0.087 R)
• M7: 1,676,095 km (0.047 R)
• M8: 1,888,972 km (0.115 R)
• M9: 2,329,388 km (0.095 R)
• M10: 2,511,000 km (0.041 R)
• M11: 2,857,319 km (0.119 R)
• M12: 3,384,502 km (0.06 R)
• M13: 4,203,999 km (0.117 R)
• M14: 5,249,389 km (0.087 R)
• M15: 6,263,064 km (0.109 R)
• M16: 10,128,075 km (0.078 R)
• M17: 11,055,582 km (0.067 R)
• M18: 14,509,797 km (0.114 R)
• M19: 15,194,057 km (0.104 R)
• M20: 22,257,620 km (0.087 R)
• M21: 23,536,981 km (0.056 R)
• M22: 27,254,937 km (0.088 R)
• M23: 29,360,377 km (0.048 R)
• M24: 31,571,733 km (0.065 R)
• M25: 38,737,471 km (0.058 R)
• M26: 40,450,067 km (0.091 R)
• M27: 41,121,911 km (0.056 R)
• M28: 45,599,077 km (0.109 R)
• M29: 52,906,933 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 548.9

Radius: 4.9

Gravity: 22.86 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.87 AU - 10.85 AU

Year: 17587 Days

Day: 21.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,866,601 km

• M1: 60,886 km (0.1 R)
• M2: 216,917 km (0.112 R)
• M3: 438,920 km (0.101 R)
• M4: 799,152 km (0.028 R)
• M5: 1,239,867 km (0.117 R)
• M6: 1,394,103 km (0.089 R)
• M7: 3,135,123 km (0.102 R)
• M8: 3,343,512 km (0.115 R)
• M9: 3,788,117 km (0.119 R)
• M10: 4,177,521 km (0.072 R)
• M11: 4,366,014 km (0.075 R)
• M12: 4,527,430 km (0.067 R)
• M13: 6,246,309 km (0.069 R)
• M14: 6,618,958 km (0.115 R)
• M15: 7,317,879 km (0.118 R)
• M16: 7,546,016 km (0.096 R)
• M17: 8,016,651 km (0.081 R)
• M18: 8,657,528 km (0.088 R)
• M19: 10,096,360 km (0.084 R)
• M20: 10,265,555 km (0.098 R)
• M21: 10,961,036 km (0.113 R)
• M22: 12,445,496 km (0.076 R)
• M23: 13,574,660 km (0.079 R)
• M24: 15,882,656 km (0.105 R)
• M25: 27,291,588 km (0.118 R)
• M26: 28,285,068 km (0.118 R)
• M27: 29,531,667 km (0.11 R)
• M28: 40,424,187 km (0.094 R)
• M29: 44,677,404 km (0.069 R)
• M30: 45,286,417 km (0.091 R)
• M31: 47,778,269 km (0.035 R)
• M32: 48,735,845 km (0.118 R)
• M33: 49,868,899 km (0.077 R)
• M34: 52,187,816 km (0.061 R)
• M35: 55,975,334 km (0.03 R)
• M36: 56,328,535 km (0.115 R)
• M37: 61,429,673 km (0.06 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: 197 - 14,795 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit