🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.4

Radius: 9

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.87 AU - 1.15 AU

Year: 645 Days

Day: 13.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,801,794 km

• M1: 111,899 km (0.105 R)
• M2: 449,841 km (0.081 R)
• M3: 756,666 km (0.097 R)
• M4: 1,071,869 km (0.074 R)
• M5: 1,440,478 km (0.084 R)
• M6: 1,735,036 km (0.084 R)
• M7: 2,088,386 km (0.029 R)
• M8: 2,792,992 km (0.095 R)
• M9: 3,281,878 km (0.112 R)
• M10: 3,593,939 km (0.114 R)
• M11: 3,997,405 km (0.053 R)
• M12: 4,829,767 km (0.118 R)
• M13: 5,148,560 km (0.039 R)
• M14: 7,002,228 km (0.109 R)
• M15: 7,302,321 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.4

Radius: 15

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.1 AU - 1.54 AU

Year: 964 Days

Day: 13.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,801,794 km

• M1: 186,549 km (0.091 R)
• M2: 704,756 km (0.119 R)
• M3: 1,202,019 km (0.114 R)
• M4: 1,935,497 km (0.026 R)
• M5: 2,693,360 km (0.113 R)
• M6: 3,294,744 km (0.09 R)
• M7: 3,765,378 km (0.088 R)
• M8: 4,281,341 km (0.055 R)
• M9: 5,260,310 km (0.118 R)
• M10: 6,121,395 km (0.104 R)
• M11: 6,700,339 km (0.105 R)
• M12: 9,392,203 km (0.094 R)
• M13: 10,043,253 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.1

Radius: 9.7

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.33 AU - 1.55 AU

Year: 1099 Days

Day: 8.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,801,794 km

• M1: 120,725 km (0.076 R)
• M2: 436,078 km (0.1 R)
• M3: 747,541 km (0.082 R)
• M4: 1,095,505 km (0.109 R)
• M5: 1,455,288 km (0.111 R)
• M6: 1,790,387 km (0.114 R)
• M7: 2,093,622 km (0.066 R)
• M8: 2,607,940 km (0.081 R)
• M9: 3,000,784 km (0.087 R)
• M10: 3,403,651 km (0.088 R)
• M11: 3,764,331 km (0.073 R)
• M12: 4,267,878 km (0.054 R)
• M13: 5,311,024 km (0.081 R)
• M14: 5,735,433 km (0.117 R)
• M15: 7,291,849 km (0.036 R)
• M16: 7,842,668 km (0.119 R)
• M17: 10,389,423 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.5

Radius: 9.4

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.88 AU - 2.38 AU

Year: 1977 Days

Day: 7.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,801,794 km

• M1: 116,986 km (0.113 R)
• M2: 449,691 km (0.066 R)
• M3: 747,092 km (0.103 R)
• M4: 1,106,276 km (0.063 R)
• M5: 1,494,782 km (0.116 R)
• M6: 1,839,455 km (0.098 R)
• M7: 2,199,986 km (0.059 R)
• M8: 2,852,233 km (0.064 R)
• M9: 3,681,005 km (0.107 R)
• M10: 4,219,408 km (0.054 R)
• M11: 4,895,142 km (0.04 R)
• M12: 5,523,453 km (0.111 R)
• M13: 6,383,491 km (0.064 R)
• M14: 7,189,374 km (0.1 R)
• M15: 7,617,075 km (0.092 R)
• M16: 8,031,461 km (0.07 R)
• M17: 9,669,707 km (0.084 R)
• M18: 10,513,140 km (0.054 R)
• M19: 11,290,750 km (0.061 R)
• M20: 13,897,642 km (0.102 R)
• M21: 15,294,138 km (0.081 R)
• M22: 15,811,597 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.7

Radius: 12.7

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.52 AU - 2.72 AU

Year: 2696 Days

Day: 7.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,801,794 km

• M1: 158,574 km (0.096 R)
• M2: 583,581 km (0.114 R)
• M3: 1,006,794 km (0.114 R)
• M4: 1,458,280 km (0.045 R)
• M5: 2,805,558 km (0.106 R)
• M6: 3,234,605 km (0.04 R)
• M7: 4,048,567 km (0.065 R)
• M8: 4,599,686 km (0.092 R)
• M9: 6,056,919 km (0.092 R)
• M10: 6,724,723 km (0.101 R)
• M11: 7,293,794 km (0.096 R)
• M12: 8,175,823 km (0.111 R)
• M13: 8,791,568 km (0.099 R)
• M14: 16,203,843 km (0.026 R)
• M15: 16,916,976 km (0.11 R)
• M16: 17,971,791 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.9

Radius: 10

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.73 AU - 3.81 AU

Year: 4654 Days

Day: 13.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,801,794 km

• M1: 124,615 km (0.071 R)
• M2: 605,722 km (0.087 R)
• M3: 1,646,624 km (0.114 R)
• M4: 2,162,736 km (0.089 R)
• M5: 2,751,703 km (0.051 R)
• M6: 3,407,241 km (0.078 R)
• M7: 6,035,526 km (0.111 R)
• M8: 7,202,988 km (0.085 R)
• M9: 8,005,580 km (0.086 R)
• M10: 8,830,912 km (0.087 R)
• M11: 11,562,868 km (0.1 R)
• M12: 12,258,498 km (0.057 R)
• M13: 15,374,772 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.3

Radius: 12.1

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.29 AU - 4.63 AU

Year: 5989 Days

Day: 5.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,801,794 km

• M1: 150,495 km (0.095 R)
• M2: 808,427 km (0.113 R)
• M3: 1,339,350 km (0.109 R)
• M4: 2,272,242 km (0.091 R)
• M5: 2,968,620 km (0.119 R)
• M6: 4,187,843 km (0.049 R)
• M7: 5,325,086 km (0.035 R)
• M8: 6,355,067 km (0.038 R)
• M9: 8,162,808 km (0.101 R)
• M10: 9,928,212 km (0.113 R)
• M11: 11,533,846 km (0.095 R)
• M12: 12,140,017 km (0.119 R)
• M13: 13,034,911 km (0.085 R)
• M14: 15,074,678 km (0.063 R)
• M15: 17,059,393 km (0.115 R)
• M16: 18,658,146 km (0.117 R)
• M17: 19,282,717 km (0.085 R)
• M18: 20,794,403 km (0.072 R)
• M19: 22,228,897 km (0.079 R)
• M20: 23,327,394 km (0.091 R)
• M21: 24,461,795 km (0.048 R)
• M22: 26,665,372 km (0.082 R)
• M23: 29,649,101 km (0.075 R)
• M24: 31,367,083 km (0.045 R)
• M25: 33,555,700 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.5

Radius: 9.6

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.97 AU - 6.25 AU

Year: 8448 Days

Day: 13.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,801,794 km

• M1: 123,717 km (0.089 R)
• M2: 457,021 km (0.071 R)
• M3: 1,027,737 km (0.071 R)
• M4: 1,932,655 km (0.098 R)
• M5: 2,504,418 km (0.104 R)
• M6: 3,485,331 km (0.102 R)
• M7: 4,278,948 km (0.118 R)
• M8: 5,507,894 km (0.099 R)
• M9: 7,346,751 km (0.038 R)
• M10: 7,750,366 km (0.092 R)
• M11: 9,515,322 km (0.056 R)
• M12: 11,372,879 km (0.095 R)
• M13: 12,358,878 km (0.106 R)
• M14: 15,991,264 km (0.094 R)
• M15: 16,947,344 km (0.112 R)
• M16: 18,013,678 km (0.065 R)
• M17: 18,452,449 km (0.103 R)
• M18: 21,644,418 km (0.076 R)
• M19: 27,430,415 km (0.071 R)
• M20: 36,680,201 km (0.074 R)
• M21: 42,578,396 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.4

Radius: 5.1

Gravity: 32.35 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 8.88 AU - 11.86 AU

Year: 21233 Days

Day: 16.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 92.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 84,801,794 km

• M1: 63,579 km (0.084 R)
• M2: 228,885 km (0.054 R)
• M3: 417,079 km (0.097 R)
• M4: 731,234 km (0.084 R)
• M5: 1,015,770 km (0.059 R)
• M6: 2,194,900 km (0.11 R)
• M7: 3,108,644 km (0.108 R)
• M8: 3,727,829 km (0.052 R)
• M9: 4,183,953 km (0.091 R)
• M10: 4,460,859 km (0.107 R)
• M11: 5,013,025 km (0.109 R)
• M12: 7,733,911 km (0.103 R)
• M13: 10,093,967 km (0.063 R)
• M14: 11,106,894 km (0.082 R)
• M15: 12,894,439 km (0.085 R)
• M16: 14,549,739 km (0.106 R)
• M17: 14,944,827 km (0.077 R)
• M18: 15,185,231 km (0.097 R)
• M19: 15,509,858 km (0.091 R)
• M20: 18,642,887 km (0.091 R)
• M21: 18,828,388 km (0.107 R)
• M22: 19,297,377 km (0.119 R)
• M23: 19,967,277 km (0.091 R)
• M24: 20,751,469 km (0.118 R)
• M25: 26,473,438 km (0.111 R)
• M26: 32,623,406 km (0.052 R)
• M27: 41,211,371 km (0.104 R)
• M28: 42,001,547 km (0.098 R)
• M29: 44,764,171 km (0.032 R)
• M30: 46,956,528 km (0.095 R)
• M31: 47,992,194 km (0.085 R)
• M32: 49,574,042 km (0.116 R)
• M33: 50,288,222 km (0.059 R)
• M34: 50,828,270 km (0.111 R)
• M35: 51,554,269 km (0.03 R)
• M36: 60,407,471 km (0.081 R)
• M37: 61,222,031 km (0.11 R)
• M38: 78,845,857 km (0.112 R)
• M39: 80,062,836 km (0.12 R)
• M40: 81,045,544 km (0.059 R)
• M41: 82,534,342 km (0.065 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 14,295 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit