🌌 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: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.6

Radius: 13.8

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.57 AU - 0.95 AU

Year: 442 Days

Day: 5.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 44,788,652 km

• M1: 172,486 km (0.046 R)
• M2: 621,729 km (0.055 R)
• M3: 1,160,879 km (0.041 R)
• M4: 1,949,410 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687

Radius: 10.1

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.11 AU - 1.67 AU

Year: 1093 Days

Day: 10.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,788,652 km

• M1: 126,261 km (0.083 R)
• M2: 559,346 km (0.11 R)
• M3: 889,359 km (0.063 R)
• M4: 1,265,598 km (0.111 R)
• M5: 2,284,958 km (0.08 R)
• M6: 3,270,957 km (0.082 R)
• M7: 3,656,172 km (0.08 R)
• M8: 3,973,170 km (0.102 R)
• M9: 5,094,406 km (0.033 R)
• M10: 7,045,461 km (0.052 R)
• M11: 7,413,472 km (0.117 R)
• M12: 8,846,021 km (0.085 R)
• M13: 9,717,429 km (0.114 R)
• M14: 10,902,094 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.4

Radius: 15

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.58 AU - 1.76 AU

Year: 1439 Days

Day: 5 Hours

Environment

Temp: -193 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,788,652 km

• M1: 186,698 km (0.114 R)
• M2: 1,108,371 km (0.097 R)
• M3: 1,697,188 km (0.076 R)
• M4: 2,968,919 km (0.096 R)
• M5: 3,959,108 km (0.087 R)
• M6: 5,009,434 km (0.098 R)
• M7: 5,530,484 km (0.039 R)
• M8: 6,480,281 km (0.086 R)
• M9: 8,515,111 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328

Radius: 9.1

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.47 AU - 2.37 AU

Year: 1774 Days

Day: 13.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,788,652 km

• M1: 113,096 km (0.103 R)
• M2: 462,557 km (0.066 R)
• M3: 782,397 km (0.079 R)
• M4: 1,153,549 km (0.111 R)
• M5: 1,509,742 km (0.095 R)
• M6: 1,810,134 km (0.029 R)
• M7: 2,096,315 km (0.032 R)
• M8: 2,646,087 km (0.089 R)
• M9: 3,656,022 km (0.088 R)
• M10: 4,135,484 km (0.117 R)
• M11: 4,962,161 km (0.095 R)
• M12: 5,571,773 km (0.105 R)
• M13: 6,770,052 km (0.118 R)
• M14: 7,238,891 km (0.107 R)
• M15: 7,755,602 km (0.094 R)
• M16: 8,296,848 km (0.1 R)
• M17: 9,126,069 km (0.113 R)
• M18: 9,946,762 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.4

Radius: 8.3

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.45 AU - 2.97 AU

Year: 2975 Days

Day: 10.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,788,652 km

• M1: 104,270 km (0.1 R)
• M2: 399,127 km (0.093 R)
• M3: 764,894 km (0.1 R)
• M4: 1,068,129 km (0.059 R)
• M5: 1,570,329 km (0.1 R)
• M6: 2,235,890 km (0.111 R)
• M7: 2,531,794 km (0.049 R)
• M8: 2,836,974 km (0.093 R)
• M9: 3,426,090 km (0.095 R)
• M10: 3,862,467 km (0.116 R)
• M11: 4,246,635 km (0.108 R)
• M12: 4,539,847 km (0.083 R)
• M13: 7,493,956 km (0.067 R)
• M14: 8,195,869 km (0.071 R)
• M15: 8,580,635 km (0.115 R)
• M16: 10,483,520 km (0.113 R)
• M17: 11,663,847 km (0.08 R)
• M18: 12,697,867 km (0.046 R)
• M19: 13,261,103 km (0.108 R)
• M20: 14,336,712 km (0.108 R)
• M21: 14,639,797 km (0.115 R)
• M22: 15,628,340 km (0.087 R)
• M23: 16,605,064 km (0.098 R)
• M24: 18,204,714 km (0.093 R)
• M25: 18,560,458 km (0.115 R)
• M26: 18,981,277 km (0.113 R)
• M27: 21,906,813 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.8

Radius: 9.4

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.32 AU - 3.3 AU

Year: 3141 Days

Day: 6.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,788,652 km

• M1: 116,836 km (0.094 R)
• M2: 417,976 km (0.085 R)
• M3: 1,039,705 km (0.044 R)
• M4: 1,520,812 km (0.12 R)
• M5: 3,049,702 km (0.103 R)
• M6: 3,941,006 km (0.073 R)
• M7: 4,762,448 km (0.085 R)
• M8: 5,564,891 km (0.069 R)
• M9: 6,012,039 km (0.113 R)
• M10: 7,343,460 km (0.087 R)
• M11: 8,480,853 km (0.094 R)
• M12: 10,226,211 km (0.074 R)
• M13: 11,557,333 km (0.11 R)
• M14: 13,091,459 km (0.059 R)
• M15: 13,600,541 km (0.112 R)
• M16: 14,074,766 km (0.102 R)
• M17: 15,056,128 km (0.076 R)
• M18: 15,769,860 km (0.053 R)
• M19: 16,666,549 km (0.088 R)
• M20: 16,991,027 km (0.117 R)
• M21: 18,274,277 km (0.112 R)
• M22: 18,677,294 km (0.1 R)
• M23: 19,741,085 km (0.101 R)
• M24: 20,969,732 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.9

Radius: 10.2

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.61 AU - 4.79 AU

Year: 6795 Days

Day: 6.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 44,788,652 km

• M1: 126,859 km (0.101 R)
• M2: 597,045 km (0.12 R)
• M3: 1,876,855 km (0.057 R)
• M4: 2,219,584 km (0.061 R)
• M5: 3,096,227 km (0.032 R)
• M6: 4,240,202 km (0.114 R)
• M7: 4,559,145 km (0.089 R)
• M8: 5,934,548 km (0.107 R)
• M9: 6,860,708 km (0.111 R)
• M10: 8,201,254 km (0.094 R)
• M11: 9,483,009 km (0.11 R)
• M12: 9,984,910 km (0.054 R)
• M13: 12,013,607 km (0.101 R)
• M14: 12,875,141 km (0.104 R)
• M15: 13,377,640 km (0.087 R)
• M16: 14,963,826 km (0.113 R)
• M17: 15,519,283 km (0.115 R)
• M18: 16,281,335 km (0.12 R)
• M19: 16,606,261 km (0.112 R)
• M20: 17,134,940 km (0.114 R)
• M21: 17,949,052 km (0.117 R)
• M22: 19,874,825 km (0.097 R)
• M23: 22,171,900 km (0.085 R)
• M24: 22,490,993 km (0.112 R)
• M25: 23,715,002 km (0.092 R)
• M26: 24,896,975 km (0.031 R)
• M27: 27,653,466 km (0.106 R)
• M28: 28,116,321 km (0.106 R)
• M29: 28,678,660 km (0.097 R)
• M30: 31,502,619 km (0.103 R)
• M31: 31,906,084 km (0.099 R)
• M32: 32,415,465 km (0.115 R)
• M33: 36,464,780 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.8

Radius: 14.9

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.22 AU - 5.88 AU

Year: 7568 Days

Day: 13.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,788,652 km

• M1: 190,887 km (0.113 R)
• M2: 660,175 km (0.115 R)
• M3: 1,143,526 km (0.053 R)
• M4: 1,730,698 km (0.103 R)
• M5: 2,336,420 km (0.095 R)
• M6: 3,082,913 km (0.031 R)
• M7: 3,609,348 km (0.066 R)
• M8: 5,497,423 km (0.101 R)
• M9: 6,313,329 km (0.097 R)
• M10: 8,532,763 km (0.118 R)
• M11: 10,160,837 km (0.102 R)
• M12: 11,605,952 km (0.108 R)
• M13: 13,420,874 km (0.11 R)
• M14: 17,394,492 km (0.098 R)
• M15: 19,997,944 km (0.113 R)
• M16: 20,548,165 km (0.066 R)
• M17: 25,596,794 km (0.107 R)
• M18: 31,417,797 km (0.086 R)
• M19: 33,136,676 km (0.118 R)
• M20: 36,644,148 km (0.053 R)
• M21: 41,145,847 km (0.065 R)
• M22: 41,909,095 km (0.092 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 18,089 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit