🌌 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 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.48 AU - 0.54 AU

Year: 235 Days

Day: 45 Hours

Environment

Temp: -120 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 49,645,317 km

• M1: 48,171 km (0.11 R)
• M2: 230,979 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.7

Radius: 9.8

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.61 AU - 0.83 AU

Year: 394 Days

Day: 8.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,645,317 km

• M1: 121,922 km (0.105 R)
• M2: 597,494 km (0.12 R)
• M3: 903,870 km (0.055 R)
• M4: 1,253,181 km (0.114 R)
• M5: 1,584,690 km (0.101 R)
• M6: 1,902,137 km (0.094 R)
• M7: 2,835,179 km (0.098 R)
• M8: 3,237,747 km (0.03 R)
• M9: 3,913,032 km (0.111 R)
• M10: 4,574,852 km (0.077 R)
• M11: 4,972,184 km (0.109 R)
• M12: 5,425,466 km (0.071 R)
• M13: 5,924,076 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.7

Radius: 10.1

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.95 AU - 1.17 AU

Year: 705 Days

Day: 14.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,645,317 km

• M1: 125,662 km (0.094 R)
• M2: 452,833 km (0.111 R)
• M3: 791,223 km (0.093 R)
• M4: 1,175,091 km (0.089 R)
• M5: 1,708,856 km (0.099 R)
• M6: 2,133,714 km (0.064 R)
• M7: 2,628,435 km (0.083 R)
• M8: 3,095,778 km (0.088 R)
• M9: 3,863,664 km (0.113 R)
• M10: 4,308,718 km (0.117 R)
• M11: 4,736,568 km (0.084 R)
• M12: 6,152,362 km (0.098 R)
• M13: 6,610,431 km (0.04 R)
• M14: 7,024,218 km (0.082 R)
• M15: 7,807,962 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422

Radius: 11.4

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.96 AU - 1.58 AU

Year: 924 Days

Day: 9.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,645,317 km

• M1: 141,819 km (0.072 R)
• M2: 514,617 km (0.1 R)
• M3: 908,657 km (0.117 R)
• M4: 1,468,303 km (0.055 R)
• M5: 2,038,720 km (0.101 R)
• M6: 2,662,094 km (0.115 R)
• M7: 3,213,213 km (0.115 R)
• M8: 3,640,614 km (0.112 R)
• M9: 4,030,615 km (0.117 R)
• M10: 5,299,804 km (0.105 R)
• M11: 5,977,482 km (0.119 R)
• M12: 6,648,578 km (0.082 R)
• M13: 7,035,438 km (0.109 R)
• M14: 7,667,340 km (0.119 R)
• M15: 8,069,160 km (0.104 R)

Asteroid Belt

Center: 2.06 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.2

Radius: 9.6

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.48 AU - 3.22 AU

Year: 3107 Days

Day: 9 Hours

Environment

Temp: -198 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,645,317 km

• M1: 119,977 km (0.062 R)
• M2: 591,211 km (0.051 R)
• M3: 1,415,794 km (0.111 R)
• M4: 3,042,222 km (0.042 R)
• M5: 4,114,540 km (0.12 R)
• M6: 4,719,663 km (0.085 R)
• M7: 5,192,692 km (0.093 R)
• M8: 5,797,815 km (0.118 R)
• M9: 6,297,921 km (0.103 R)
• M10: 6,691,662 km (0.063 R)
• M11: 7,847,605 km (0.047 R)
• M12: 8,278,297 km (0.064 R)
• M13: 9,354,056 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.9

Radius: 13.1

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.79 AU - 4.41 AU

Year: 4410 Days

Day: 13.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,645,317 km

• M1: 163,062 km (0.114 R)
• M2: 580,141 km (0.101 R)
• M3: 1,701,825 km (0.113 R)
• M4: 4,170,340 km (0.053 R)
• M5: 5,090,367 km (0.087 R)
• M6: 6,431,960 km (0.12 R)
• M7: 7,014,495 km (0.091 R)
• M8: 10,645,534 km (0.046 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.1

Radius: 14.4

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.22 AU - 4.6 AU

Year: 5980 Days

Day: 11 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,645,317 km

• M1: 179,218 km (0.031 R)
• M2: 713,881 km (0.118 R)
• M3: 1,443,769 km (0.087 R)
• M4: 6,120,498 km (0.118 R)
• M5: 7,822,473 km (0.102 R)
• M6: 8,325,570 km (0.077 R)
• M7: 9,189,498 km (0.039 R)
• M8: 13,699,575 km (0.093 R)
• M9: 14,386,229 km (0.078 R)
• M10: 15,828,352 km (0.114 R)
• M11: 17,790,927 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.9

Radius: 9.3

Gravity: 11.35 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.86 AU - 6.32 AU

Year: 8534 Days

Day: 10.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,645,317 km

• M1: 115,789 km (0.065 R)
• M2: 448,345 km (0.108 R)
• M3: 745,147 km (0.09 R)
• M4: 1,038,957 km (0.092 R)
• M5: 2,993,154 km (0.117 R)
• M6: 3,410,233 km (0.065 R)
• M7: 3,813,250 km (0.112 R)
• M8: 5,927,965 km (0.114 R)
• M9: 8,726,044 km (0.12 R)
• M10: 9,531,329 km (0.081 R)
• M11: 10,698,492 km (0.089 R)
• M12: 11,676,413 km (0.092 R)
• M13: 12,772,217 km (0.097 R)
• M14: 13,935,191 km (0.115 R)
• M15: 14,445,320 km (0.11 R)
• M16: 16,611,647 km (0.116 R)
• M17: 18,070,675 km (0.105 R)
• M18: 20,254,355 km (0.109 R)
• M19: 21,158,375 km (0.112 R)
• M20: 22,347,528 km (0.084 R)
• M21: 23,491,204 km (0.107 R)
• M22: 24,214,061 km (0.081 R)
• M23: 30,754,779 km (0.115 R)
• M24: 32,279,181 km (0.097 R)
• M25: 35,832,729 km (0.116 R)
• M26: 37,397,673 km (0.114 R)
• M27: 39,007,645 km (0.12 R)
• M28: 43,166,765 km (0.069 R)
• M29: 44,661,996 km (0.092 R)
• M30: 48,478,237 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.7

Radius: 5.3

Gravity: 21.71 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.84 AU - 7.54 AU

Year: 11173 Days

Day: 16.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 49,645,317 km

• M1: 66,122 km (0.117 R)
• M2: 444,904 km (0.07 R)
• M3: 661,372 km (0.101 R)
• M4: 849,866 km (0.097 R)
• M5: 1,097,001 km (0.083 R)
• M6: 1,351,766 km (0.091 R)
• M7: 1,997,431 km (0.084 R)
• M8: 2,496,639 km (0.076 R)
• M9: 2,829,644 km (0.08 R)
• M10: 3,286,815 km (0.081 R)
• M11: 3,635,228 km (0.106 R)
• M12: 4,090,903 km (0.049 R)
• M13: 5,083,036 km (0.073 R)
• M14: 5,279,458 km (0.051 R)
• M15: 5,583,292 km (0.108 R)
• M16: 6,996,992 km (0.06 R)
• M17: 7,363,955 km (0.103 R)
• M18: 7,531,056 km (0.063 R)
• M19: 8,180,460 km (0.105 R)
• M20: 9,151,351 km (0.103 R)
• M21: 11,264,271 km (0.11 R)
• M22: 11,824,964 km (0.088 R)
• M23: 13,185,108 km (0.053 R)
• M24: 18,881,495 km (0.092 R)
• M25: 20,898,673 km (0.085 R)
• M26: 21,149,997 km (0.097 R)
• M27: 21,488,238 km (0.08 R)
• M28: 21,830,069 km (0.062 R)
• M29: 22,175,491 km (0.043 R)
• M30: 23,684,484 km (0.084 R)
• M31: 24,049,354 km (0.116 R)
• M32: 26,316,958 km (0.053 R)
• M33: 43,793,729 km (0.067 R)
• M34: 45,036,439 km (0.09 R)
• M35: 49,645,250 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 18,981 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit