🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.6

Radius: 12.9

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.5 AU - 0.64 AU

Year: 287 Days

Day: 5.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 76,312,388 km

• M1: 160,519 km (0.08 R)
• M2: 695,181 km (0.069 R)
• M3: 1,342,042 km (0.07 R)
• M4: 1,860,100 km (0.115 R)
• M5: 2,556,628 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.2

Radius: 12.6

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.76 AU - 1.02 AU

Year: 560 Days

Day: 13.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,312,388 km

• M1: 156,629 km (0.078 R)
• M2: 770,728 km (0.098 R)
• M3: 1,200,523 km (0.071 R)
• M4: 1,652,907 km (0.109 R)
• M5: 2,202,230 km (0.065 R)
• M6: 2,723,429 km (0.1 R)
• M7: 3,162,050 km (0.072 R)
• M8: 3,895,828 km (0.109 R)
• M9: 5,053,117 km (0.105 R)
• M10: 5,738,126 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.3

Radius: 10.3

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.7 AU - 1.1 AU

Year: 569 Days

Day: 12.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,312,388 km

• M1: 128,056 km (0.032 R)
• M2: 553,063 km (0.115 R)
• M3: 1,070,074 km (0.105 R)
• M4: 1,576,313 km (0.054 R)
• M5: 2,043,657 km (0.093 R)
• M6: 2,473,002 km (0.036 R)
• M7: 3,189,277 km (0.12 R)
• M8: 3,527,368 km (0.039 R)
• M9: 3,929,637 km (0.104 R)
• M10: 4,508,880 km (0.068 R)
• M11: 5,015,717 km (0.118 R)
• M12: 6,088,933 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.9

Radius: 15

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.96 AU - 2.84 AU

Year: 2479 Days

Day: 8.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,312,388 km

• M1: 192,084 km (0.101 R)
• M2: 790,625 km (0.119 R)
• M3: 1,699,282 km (0.112 R)
• M4: 2,343,451 km (0.086 R)
• M5: 3,002,429 km (0.047 R)
• M6: 3,487,725 km (0.044 R)
• M7: 4,008,026 km (0.104 R)
• M8: 4,522,643 km (0.116 R)
• M9: 5,399,735 km (0.079 R)
• M10: 6,266,954 km (0.096 R)
• M11: 6,912,618 km (0.1 R)
• M12: 7,602,414 km (0.097 R)
• M13: 8,692,983 km (0.078 R)
• M14: 10,590,183 km (0.026 R)
• M15: 11,184,834 km (0.108 R)
• M16: 12,985,394 km (0.115 R)
• M17: 13,790,081 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873

Radius: 9.4

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.02 AU - 3.32 AU

Year: 3764 Days

Day: 11.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,312,388 km

• M1: 116,836 km (0.118 R)
• M2: 553,662 km (0.077 R)
• M3: 889,808 km (0.114 R)
• M4: 1,205,460 km (0.076 R)
• M5: 1,975,889 km (0.106 R)
• M6: 2,657,756 km (0.065 R)
• M7: 3,570,153 km (0.105 R)
• M8: 4,580,238 km (0.111 R)
• M9: 5,741,716 km (0.112 R)
• M10: 6,483,572 km (0.116 R)
• M11: 7,088,994 km (0.119 R)
• M12: 7,490,515 km (0.114 R)
• M13: 8,013,659 km (0.085 R)
• M14: 10,396,005 km (0.049 R)
• M15: 10,783,613 km (0.073 R)
• M16: 11,587,701 km (0.112 R)
• M17: 12,004,631 km (0.086 R)
• M18: 12,335,691 km (0.072 R)
• M19: 13,772,728 km (0.119 R)
• M20: 15,153,217 km (0.095 R)
• M21: 15,933,669 km (0.064 R)
• M22: 16,449,483 km (0.067 R)
• M23: 17,756,968 km (0.102 R)
• M24: 20,376,576 km (0.116 R)
• M25: 22,165,318 km (0.104 R)
• M26: 23,243,620 km (0.037 R)
• M27: 24,356,478 km (0.115 R)
• M28: 26,688,111 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527

Radius: 12.7

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4 AU - 4.64 AU

Year: 5988 Days

Day: 7.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,312,388 km

• M1: 158,275 km (0.108 R)
• M2: 709,842 km (0.073 R)
• M3: 1,194,389 km (0.074 R)
• M4: 1,606,382 km (0.115 R)
• M5: 2,474,349 km (0.116 R)
• M6: 3,082,165 km (0.073 R)
• M7: 4,015,207 km (0.088 R)
• M8: 4,573,506 km (0.082 R)
• M9: 5,379,390 km (0.111 R)
• M10: 6,664,286 km (0.046 R)
• M11: 8,410,841 km (0.119 R)
• M12: 9,662,975 km (0.047 R)
• M13: 11,221,935 km (0.117 R)
• M14: 16,231,818 km (0.118 R)
• M15: 17,844,184 km (0.106 R)
• M16: 18,361,194 km (0.073 R)
• M17: 18,954,798 km (0.071 R)
• M18: 20,883,564 km (0.086 R)
• M19: 21,895,593 km (0.096 R)
• M20: 25,942,365 km (0.088 R)
• M21: 30,370,911 km (0.113 R)
• M22: 30,923,077 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.6

Radius: 10.2

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.34 AU - 4.64 AU

Year: 6345 Days

Day: 10.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,312,388 km

• M1: 126,859 km (0.065 R)
• M2: 949,498 km (0.056 R)
• M3: 1,540,559 km (0.072 R)
• M4: 1,908,570 km (0.08 R)
• M5: 2,749,609 km (0.109 R)
• M6: 3,579,428 km (0.098 R)
• M7: 4,504,093 km (0.092 R)
• M8: 5,654,949 km (0.109 R)
• M9: 8,332,452 km (0.093 R)
• M10: 8,726,193 km (0.062 R)
• M11: 9,837,406 km (0.072 R)
• M12: 11,677,759 km (0.097 R)
• M13: 13,245,096 km (0.109 R)
• M14: 13,873,258 km (0.1 R)
• M15: 15,188,971 km (0.086 R)
• M16: 17,157,829 km (0.048 R)
• M17: 17,904,472 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.4

Radius: 4.4

Gravity: 40.57 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 7.02 AU - 11.48 AU

Year: 18760 Days

Day: 21 Hours

Environment

Temp: -241 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 76,312,388 km

• M1: 55,650 km (0.08 R)
• M2: 226,192 km (0.108 R)
• M3: 429,346 km (0.099 R)
• M4: 934,987 km (0.11 R)
• M5: 1,260,661 km (0.073 R)
• M6: 1,426,266 km (0.098 R)
• M7: 2,134,313 km (0.057 R)
• M8: 2,348,537 km (0.114 R)
• M9: 2,999,437 km (0.032 R)
• M10: 3,186,135 km (0.094 R)
• M11: 3,324,214 km (0.077 R)
• M12: 3,886,104 km (0.069 R)
• M13: 4,076,093 km (0.113 R)
• M14: 4,862,380 km (0.041 R)
• M15: 6,506,460 km (0.074 R)
• M16: 6,684,482 km (0.105 R)
• M17: 6,957,498 km (0.069 R)
• M18: 7,477,350 km (0.098 R)
• M19: 8,022,635 km (0.098 R)
• M20: 9,303,791 km (0.096 R)
• M21: 9,992,839 km (0.107 R)
• M22: 10,653,912 km (0.056 R)
• M23: 13,518,711 km (0.055 R)
• M24: 16,526,376 km (0.051 R)
• M25: 16,858,034 km (0.065 R)
• M26: 24,032,599 km (0.1 R)
• M27: 24,780,738 km (0.039 R)
• M28: 26,889,469 km (0.049 R)
• M29: 34,329,121 km (0.095 R)
• M30: 35,004,705 km (0.115 R)
• M31: 35,277,422 km (0.089 R)
• M32: 41,488,426 km (0.119 R)
• M33: 41,947,093 km (0.055 R)
• M34: 43,030,481 km (0.095 R)
• M35: 43,500,518 km (0.117 R)
• M36: 55,092,557 km (0.11 R)
• M37: 70,734,810 km (0.056 R)
• M38: 74,047,505 km (0.089 R)
• M39: 74,722,192 km (0.112 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: 296 - 20,092 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit