🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.3

Radius: 9.8

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.7 AU - 0.8 AU

Year: 419 Days

Day: 9.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,809,725 km

• M1: 121,922 km (0.064 R)
• M2: 463,005 km (0.112 R)
• M3: 781,350 km (0.119 R)
• M4: 1,273,078 km (0.063 R)
• M5: 1,989,652 km (0.043 R)
• M6: 2,306,650 km (0.108 R)
• M7: 2,757,089 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708

Radius: 8.5

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.57 AU - 1.57 AU

Year: 1270 Days

Day: 11.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,809,725 km

• M1: 105,766 km (0.08 R)
• M2: 414,237 km (0.106 R)
• M3: 837,000 km (0.109 R)
• M4: 1,146,967 km (0.063 R)
• M5: 1,793,080 km (0.102 R)
• M6: 2,318,617 km (0.093 R)
• M7: 2,662,992 km (0.054 R)
• M8: 3,083,811 km (0.071 R)
• M9: 3,439,704 km (0.082 R)
• M10: 4,580,537 km (0.064 R)
• M11: 6,321,557 km (0.084 R)
• M12: 7,173,517 km (0.086 R)
• M13: 8,210,829 km (0.097 R)
• M14: 11,254,397 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.8

Radius: 13.8

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.17 AU - 3.55 AU

Year: 3977 Days

Day: 8.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,809,725 km

• M1: 173,833 km (0.041 R)
• M2: 920,625 km (0.072 R)
• M3: 3,570,752 km (0.104 R)
• M4: 4,328,016 km (0.051 R)
• M5: 4,910,251 km (0.104 R)
• M6: 5,544,546 km (0.111 R)
• M7: 8,790,969 km (0.094 R)
• M8: 10,765,811 km (0.052 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.7

Radius: 3.8

Gravity: 54.41 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.73 AU - 8.51 AU

Year: 12267 Days

Day: 23.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 79,809,725 km

• M1: 47,273 km (0.084 R)
• M2: 179,368 km (0.083 R)
• M3: 556,803 km (0.091 R)
• M4: 831,615 km (0.028 R)
• M5: 977,622 km (0.084 R)
• M6: 1,128,566 km (0.099 R)
• M7: 1,433,896 km (0.108 R)
• M8: 1,567,636 km (0.083 R)
• M9: 2,168,720 km (0.108 R)
• M10: 2,345,395 km (0.099 R)
• M11: 2,661,197 km (0.086 R)
• M12: 2,795,236 km (0.114 R)
• M13: 3,587,955 km (0.088 R)
• M14: 4,646,809 km (0.109 R)
• M15: 5,423,222 km (0.084 R)
• M16: 9,975,036 km (0.107 R)
• M17: 10,798,872 km (0.028 R)
• M18: 12,148,693 km (0.049 R)
• M19: 12,456,416 km (0.105 R)
• M20: 12,832,356 km (0.075 R)
• M21: 13,280,551 km (0.039 R)
• M22: 14,073,120 km (0.095 R)
• M23: 14,687,818 km (0.077 R)
• M24: 17,481,259 km (0.097 R)
• M25: 19,250,104 km (0.096 R)
• M26: 23,706,924 km (0.062 R)
• M27: 24,575,938 km (0.109 R)
• M28: 28,050,798 km (0.064 R)
• M29: 28,372,283 km (0.118 R)
• M30: 28,696,163 km (0.083 R)
• M31: 32,659,459 km (0.085 R)
• M32: 33,015,203 km (0.106 R)
• M33: 33,976,519 km (0.054 R)
• M34: 38,139,678 km (0.116 R)
• M35: 39,868,880 km (0.083 R)
• M36: 44,346,494 km (0.075 R)
• M37: 47,916,647 km (0.083 R)
• M38: 50,085,068 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387

Radius: 6.1

Gravity: 10.4 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 7.43 AU - 10.73 AU

Year: 17666 Days

Day: 17.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,809,725 km

• M1: 75,846 km (0.114 R)
• M2: 345,272 km (0.068 R)
• M3: 807,380 km (0.096 R)
• M4: 1,201,570 km (0.109 R)
• M5: 2,513,095 km (0.065 R)
• M6: 3,299,531 km (0.091 R)
• M7: 3,832,847 km (0.112 R)
• M8: 4,299,592 km (0.12 R)
• M9: 5,559,356 km (0.048 R)
• M10: 5,778,667 km (0.053 R)
• M11: 6,714,401 km (0.06 R)
• M12: 7,747,375 km (0.116 R)
• M13: 9,437,531 km (0.04 R)
• M14: 10,617,709 km (0.077 R)
• M15: 11,012,946 km (0.03 R)
• M16: 12,567,568 km (0.083 R)
• M17: 13,202,610 km (0.11 R)
• M18: 15,811,747 km (0.062 R)
• M19: 16,031,357 km (0.08 R)
• M20: 18,421,033 km (0.093 R)
• M21: 20,774,507 km (0.03 R)
• M22: 21,841,888 km (0.075 R)
• M23: 25,663,664 km (0.12 R)
• M24: 29,464,198 km (0.05 R)
• M25: 34,721,516 km (0.084 R)
• M26: 35,843,201 km (0.115 R)
• M27: 37,375,831 km (0.092 R)
• M28: 37,896,282 km (0.073 R)
• M29: 40,434,659 km (0.111 R)
• M30: 41,675,573 km (0.12 R)
• M31: 48,417,351 km (0.072 R)
• M32: 50,763,644 km (0.097 R)
• M33: 51,562,197 km (0.082 R)
• M34: 52,369,128 km (0.037 R)
• M35: 54,673,534 km (0.091 R)
• M36: 57,216,548 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 550.1

Radius: 7.6

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 9.08 AU - 13.18 AU

Year: 23975 Days

Day: 21.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,809,725 km

• M1: 94,546 km (0.087 R)
• M2: 864,825 km (0.11 R)
• M3: 1,646,175 km (0.034 R)
• M4: 2,401,046 km (0.072 R)
• M5: 3,283,224 km (0.099 R)
• M6: 4,067,267 km (0.097 R)
• M7: 5,158,135 km (0.086 R)
• M8: 11,498,242 km (0.111 R)
• M9: 16,717,412 km (0.109 R)
• M10: 17,747,095 km (0.112 R)
• M11: 18,818,365 km (0.081 R)
• M12: 21,385,614 km (0.11 R)
• M13: 27,554,133 km (0.113 R)
• M14: 28,026,862 km (0.103 R)
• M15: 43,886,331 km (0.054 R)
• M16: 44,207,966 km (0.082 R)
• M17: 47,680,282 km (0.081 R)
• M18: 62,981,003 km (0.117 R)
• M19: 64,007,394 km (0.11 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 10,911 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit