🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609

Radius: 12.1

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.49 AU - 0.53 AU

Year: 243 Days

Day: 9.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,937,185 km

• M1: 150,495 km (0.114 R)
• M2: 646,113 km (0.118 R)
• M3: 1,040,154 km (0.044 R)
• M4: 1,463,366 km (0.115 R)
• M5: 1,975,141 km (0.066 R)
• M6: 2,464,326 km (0.117 R)
• M7: 3,265,722 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.1

Radius: 13.9

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.57 AU - 0.87 AU

Year: 407 Days

Day: 9.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,937,185 km

• M1: 172,935 km (0.093 R)
• M2: 752,477 km (0.1 R)
• M3: 1,211,892 km (0.105 R)
• M4: 1,738,327 km (0.099 R)
• M5: 2,228,410 km (0.112 R)
• M6: 3,067,804 km (0.061 R)
• M7: 3,831,949 km (0.104 R)
• M8: 5,325,983 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.6

Radius: 14.9

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.56 AU - 1.58 AU

Year: 1312 Days

Day: 10.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,937,185 km

• M1: 185,352 km (0.044 R)
• M2: 730,486 km (0.058 R)
• M3: 1,253,481 km (0.108 R)
• M4: 2,398,503 km (0.081 R)
• M5: 2,881,405 km (0.078 R)
• M6: 3,890,442 km (0.078 R)
• M7: 4,740,009 km (0.084 R)
• M8: 5,629,667 km (0.103 R)
• M9: 6,275,631 km (0.108 R)
• M10: 6,809,545 km (0.097 R)
• M11: 7,277,488 km (0.1 R)
• M12: 7,817,087 km (0.078 R)
• M13: 8,542,637 km (0.097 R)
• M14: 9,060,245 km (0.072 R)
• M15: 9,541,203 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829

Radius: 9.5

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.89 AU - 2.15 AU

Year: 1915 Days

Day: 7.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,937,185 km

• M1: 118,482 km (0.106 R)
• M2: 417,677 km (0.097 R)
• M3: 740,360 km (0.057 R)
• M4: 1,094,757 km (0.094 R)
• M5: 1,486,105 km (0.106 R)
• M6: 2,288,099 km (0.115 R)
• M7: 2,800,921 km (0.031 R)
• M8: 3,739,498 km (0.106 R)
• M9: 4,660,572 km (0.102 R)
• M10: 5,118,192 km (0.117 R)
• M11: 5,439,678 km (0.095 R)
• M12: 6,022,361 km (0.078 R)
• M13: 6,726,967 km (0.095 R)
• M14: 7,141,653 km (0.035 R)
• M15: 8,457,216 km (0.083 R)
• M16: 9,006,540 km (0.085 R)
• M17: 10,176,545 km (0.076 R)
• M18: 11,639,911 km (0.117 R)
• M19: 12,197,911 km (0.033 R)
• M20: 14,202,672 km (0.074 R)
• M21: 14,656,103 km (0.112 R)
• M22: 15,072,285 km (0.064 R)
• M23: 16,368,550 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.8

Radius: 12

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.79 AU - 5.81 AU

Year: 8137 Days

Day: 9.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 121.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,937,185 km

• M1: 149,299 km (0.105 R)
• M2: 590,014 km (0.103 R)
• M3: 2,225,867 km (0.045 R)
• M4: 5,383,429 km (0.108 R)
• M5: 6,932,066 km (0.102 R)
• M6: 8,054,499 km (0.107 R)
• M7: 10,474,245 km (0.106 R)
• M8: 11,949,429 km (0.09 R)
• M9: 14,163,328 km (0.071 R)
• M10: 17,847,176 km (0.104 R)
• M11: 23,508,557 km (0.116 R)
• M12: 26,445,762 km (0.117 R)
• M13: 32,645,995 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.7

Radius: 4.3

Gravity: 40.71 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.28 AU - 9.58 AU

Year: 16322 Days

Day: 24.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,937,185 km

• M1: 53,406 km (0.062 R)
• M2: 190,588 km (0.086 R)
• M3: 361,279 km (0.064 R)
• M4: 1,036,564 km (0.117 R)
• M5: 1,271,582 km (0.076 R)
• M6: 1,848,431 km (0.075 R)
• M7: 2,256,684 km (0.094 R)
• M8: 3,330,647 km (0.119 R)
• M9: 3,637,771 km (0.074 R)
• M10: 4,438,419 km (0.106 R)
• M11: 5,693,097 km (0.068 R)
• M12: 6,050,486 km (0.118 R)
• M13: 6,422,536 km (0.101 R)
• M14: 6,986,819 km (0.113 R)
• M15: 8,363,419 km (0.103 R)
• M16: 9,088,669 km (0.111 R)
• M17: 9,967,856 km (0.098 R)
• M18: 10,545,154 km (0.081 R)
• M19: 10,722,727 km (0.11 R)
• M20: 10,902,244 km (0.081 R)
• M21: 12,476,762 km (0.101 R)
• M22: 13,911,405 km (0.056 R)
• M23: 18,782,761 km (0.109 R)
• M24: 19,483,926 km (0.088 R)
• M25: 23,153,562 km (0.089 R)
• M26: 29,893,095 km (0.075 R)
• M27: 34,870,665 km (0.094 R)
• M28: 35,662,038 km (0.108 R)
• M29: 47,063,640 km (0.061 R)
• M30: 52,712,455 km (0.101 R)
• M31: 59,728,895 km (0.112 R)
• M32: 65,133,267 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402

Radius: 4.4

Gravity: 20.76 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 9.53 AU - 10.15 AU

Year: 20584 Days

Day: 22.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 64,937,185 km

• M1: 75,996 km (0.108 R)
• M2: 287,078 km (0.076 R)
• M3: 558,299 km (0.1 R)
• M4: 940,522 km (0.055 R)
• M5: 1,463,815 km (0.086 R)
• M6: 1,620,893 km (0.084 R)
• M7: 1,969,007 km (0.114 R)
• M8: 2,450,563 km (0.09 R)
• M9: 2,836,525 km (0.095 R)
• M10: 3,341,268 km (0.051 R)
• M11: 4,861,781 km (0.12 R)
• M12: 8,712,131 km (0.101 R)
• M13: 9,125,171 km (0.109 R)
• M14: 9,659,684 km (0.12 R)
• M15: 10,158,294 km (0.068 R)
• M16: 10,967,768 km (0.056 R)
• M17: 13,380,183 km (0.076 R)
• M18: 13,584,534 km (0.095 R)
• M19: 14,351,522 km (0.068 R)
• M20: 16,433,326 km (0.09 R)
• M21: 19,744,226 km (0.064 R)
• M22: 19,920,602 km (0.076 R)
• M23: 20,818,040 km (0.088 R)
• M24: 22,886,529 km (0.119 R)
• M25: 23,081,156 km (0.115 R)
• M26: 27,426,974 km (0.075 R)
• M27: 28,536,542 km (0.073 R)
• M28: 29,330,907 km (0.063 R)
• M29: 30,139,782 km (0.092 R)
• M30: 31,440,685 km (0.117 R)
• M31: 40,041,516 km (0.099 R)
• M32: 40,750,460 km (0.12 R)
• M33: 42,486,094 km (0.088 R)
• M34: 45,028,211 km (0.116 R)
• M35: 45,333,840 km (0.086 R)
• M36: 49,595,883 km (0.115 R)
• M37: 52,243,316 km (0.089 R)
• M38: 53,944,992 km (0.112 R)
• M39: 54,117,179 km (0.029 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 15,378 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit