🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.8

Radius: 14.9

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.58 AU - 0.68 AU

Year: 339 Days

Day: 10 Hours

Environment

Temp: -153 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,690,093 km

• M1: 185,950 km (0.079 R)
• M2: 689,646 km (0.072 R)
• M3: 1,177,634 km (0.104 R)
• M4: 1,867,281 km (0.078 R)
• M5: 2,755,892 km (0.094 R)
• M6: 3,502,236 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.2

Radius: 9.7

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.85 AU - 0.87 AU

Year: 541 Days

Day: 7.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 60,690,093 km

• M1: 120,725 km (0.077 R)
• M2: 434,133 km (0.111 R)
• M3: 1,257,071 km (0.117 R)
• M4: 1,663,828 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.9

Radius: 14.9

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.85 AU - 1.29 AU

Year: 751 Days

Day: 12 Hours

Environment

Temp: -169 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,690,093 km

• M1: 185,651 km (0.118 R)
• M2: 650,003 km (0.114 R)
• M3: 1,222,813 km (0.069 R)
• M4: 2,332,979 km (0.107 R)
• M5: 3,195,111 km (0.054 R)
• M6: 3,797,392 km (0.092 R)
• M7: 5,030,827 km (0.084 R)
• M8: 6,074,272 km (0.104 R)
• M9: 7,733,163 km (0.113 R)
• M10: 8,826,723 km (0.117 R)
• M11: 9,452,940 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.7

Radius: 11.6

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.06 AU - 1.6 AU

Year: 1040 Days

Day: 14.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,690,093 km

• M1: 144,362 km (0.053 R)
• M2: 558,000 km (0.095 R)
• M3: 932,593 km (0.105 R)
• M4: 1,413,849 km (0.048 R)
• M5: 1,855,612 km (0.035 R)
• M6: 2,268,353 km (0.054 R)
• M7: 2,842,659 km (0.079 R)
• M8: 3,324,962 km (0.108 R)
• M9: 4,085,368 km (0.111 R)
• M10: 4,630,652 km (0.039 R)
• M11: 5,185,361 km (0.071 R)
• M12: 5,640,438 km (0.097 R)
• M13: 6,252,144 km (0.118 R)
• M14: 6,954,506 km (0.115 R)
• M15: 7,633,381 km (0.112 R)
• M16: 8,329,460 km (0.101 R)
• M17: 9,208,647 km (0.104 R)
• M18: 9,818,557 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.7

Radius: 11.2

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.82 AU - 2.66 AU

Year: 2274 Days

Day: 11.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 78.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,690,093 km

• M1: 141,669 km (0.109 R)
• M2: 719,566 km (0.115 R)
• M3: 2,151,217 km (0.115 R)
• M4: 2,700,840 km (0.073 R)
• M5: 4,512,919 km (0.089 R)
• M6: 5,721,819 km (0.114 R)
• M7: 7,415,267 km (0.063 R)
• M8: 8,269,920 km (0.063 R)
• M9: 9,188,900 km (0.11 R)
• M10: 13,217,421 km (0.057 R)
• M11: 13,900,335 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.4

Radius: 3.1

Gravity: 80.58 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.12 AU - 7.72 AU

Year: 12347 Days

Day: 19.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,690,093 km

• M1: 59,989 km (0.087 R)
• M2: 228,586 km (0.051 R)
• M3: 420,220 km (0.118 R)
• M4: 570,417 km (0.067 R)
• M5: 728,242 km (0.075 R)
• M6: 842,386 km (0.091 R)
• M7: 979,716 km (0.083 R)
• M8: 1,367,923 km (0.099 R)
• M9: 1,668,016 km (0.073 R)
• M10: 3,341,418 km (0.081 R)
• M11: 3,471,419 km (0.115 R)
• M12: 4,293,309 km (0.097 R)
• M13: 4,798,352 km (0.082 R)
• M14: 5,167,858 km (0.045 R)
• M15: 5,812,775 km (0.026 R)
• M16: 7,478,697 km (0.081 R)
• M17: 8,207,089 km (0.091 R)
• M18: 11,070,691 km (0.047 R)
• M19: 13,791,876 km (0.084 R)
• M20: 16,103,014 km (0.118 R)
• M21: 23,216,094 km (0.108 R)
• M22: 24,558,435 km (0.114 R)
• M23: 27,819,220 km (0.083 R)
• M24: 30,108,965 km (0.098 R)
• M25: 37,336,786 km (0.071 R)
• M26: 44,032,936 km (0.066 R)
• M27: 53,267,463 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 908.4

Radius: 3.1

Gravity: 94.53 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 7.21 AU - 8.29 AU

Year: 14633 Days

Day: 16 Hours

Environment

Temp: -235 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,690,093 km

• M1: 45,179 km (0.068 R)
• M2: 144,512 km (0.05 R)
• M3: 311,313 km (0.061 R)
• M4: 511,176 km (0.061 R)
• M5: 988,094 km (0.094 R)
• M6: 1,511,836 km (0.079 R)
• M7: 1,692,999 km (0.119 R)
• M8: 2,138,801 km (0.095 R)
• M9: 2,566,202 km (0.064 R)
• M10: 5,622,486 km (0.115 R)
• M11: 5,896,550 km (0.089 R)
• M12: 7,587,903 km (0.07 R)
• M13: 7,825,913 km (0.064 R)
• M14: 10,195,394 km (0.065 R)
• M15: 13,274,717 km (0.1 R)
• M16: 17,822,043 km (0.103 R)
• M17: 18,412,057 km (0.108 R)
• M18: 18,927,871 km (0.086 R)
• M19: 20,078,727 km (0.097 R)
• M20: 21,369,308 km (0.107 R)
• M21: 22,421,280 km (0.099 R)
• M22: 24,012,253 km (0.069 R)
• M23: 24,114,130 km (0.063 R)
• M24: 26,212,689 km (0.098 R)
• M25: 26,429,007 km (0.115 R)
• M26: 28,089,394 km (0.109 R)
• M27: 29,700,712 km (0.118 R)
• M28: 30,409,806 km (0.111 R)
• M29: 32,854,684 km (0.097 R)
• M30: 34,253,574 km (0.064 R)
• M31: 46,743,201 km (0.112 R)
• M32: 47,061,246 km (0.102 R)
• M33: 49,658,116 km (0.074 R)
• M34: 50,155,379 km (0.05 R)
• M35: 57,106,743 km (0.101 R)
• M36: 61,953,116 km (0.098 R)
• M37: 66,864,863 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.7

Radius: 3.5

Gravity: 39.89 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 6.71 AU - 10.33 AU

Year: 16867 Days

Day: 15.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,690,093 km

• M1: 43,533 km (0.114 R)
• M2: 248,183 km (0.11 R)
• M3: 466,147 km (0.054 R)
• M4: 968,497 km (0.066 R)
• M5: 1,237,174 km (0.101 R)
• M6: 1,648,419 km (0.047 R)
• M7: 1,921,136 km (0.117 R)
• M8: 2,144,635 km (0.102 R)
• M9: 2,385,338 km (0.081 R)
• M10: 2,688,573 km (0.057 R)
• M11: 3,641,063 km (0.113 R)
• M12: 3,983,492 km (0.093 R)
• M13: 5,316,110 km (0.112 R)
• M14: 6,062,903 km (0.113 R)
• M15: 6,259,923 km (0.045 R)
• M16: 7,005,219 km (0.1 R)
• M17: 7,669,883 km (0.103 R)
• M18: 7,994,061 km (0.12 R)
• M19: 11,215,801 km (0.091 R)
• M20: 14,013,281 km (0.096 R)
• M21: 16,698,563 km (0.116 R)
• M22: 18,778,273 km (0.111 R)
• M23: 19,281,520 km (0.116 R)
• M24: 27,194,799 km (0.075 R)
• M25: 29,831,311 km (0.042 R)
• M26: 33,116,481 km (0.114 R)
• M27: 34,345,726 km (0.101 R)
• M28: 40,255,590 km (0.046 R)
• M29: 41,938,566 km (0.044 R)
• M30: 42,653,494 km (0.085 R)
• M31: 45,594,589 km (0.042 R)
• M32: 48,042,459 km (0.05 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 14,091 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit