🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.55 AU - 0.61 AU

Year: 290 Days

Day: 46.2 Hours

Environment

Temp: -122 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.9

Radius: 14.6

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.1 AU - 1.28 AU

Year: 852 Days

Day: 14.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,153,573 km

• M1: 181,612 km (0.063 R)
• M2: 690,843 km (0.061 R)
• M3: 1,196,633 km (0.104 R)
• M4: 1,681,480 km (0.084 R)
• M5: 2,383,842 km (0.07 R)
• M6: 2,981,635 km (0.086 R)
• M7: 3,564,768 km (0.113 R)
• M8: 4,718,766 km (0.086 R)
• M9: 5,383,130 km (0.051 R)
• M10: 6,007,551 km (0.072 R)
• M11: 7,309,053 km (0.067 R)
• M12: 8,326,917 km (0.114 R)
• M13: 9,245,747 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.4

Radius: 14.5

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.17 AU - 1.53 AU

Year: 1029 Days

Day: 10 Hours

Environment

Temp: -170 °C

Axial Tilt: 94.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,153,573 km

• M1: 182,809 km (0.046 R)
• M2: 707,299 km (0.104 R)
• M3: 1,333,815 km (0.062 R)
• M4: 2,038,869 km (0.088 R)
• M5: 2,918,804 km (0.084 R)
• M6: 3,782,582 km (0.1 R)
• M7: 4,414,035 km (0.119 R)
• M8: 5,351,714 km (0.105 R)
• M9: 6,040,912 km (0.077 R)
• M10: 6,835,875 km (0.043 R)
• M11: 7,699,802 km (0.025 R)
• M12: 8,803,236 km (0.054 R)
• M13: 9,978,776 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.6

Radius: 8.7

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.1 AU - 1.72 AU

Year: 1098 Days

Day: 14.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,153,573 km

• M1: 108,309 km (0.12 R)
• M2: 701,913 km (0.094 R)
• M3: 972,835 km (0.114 R)
• M4: 1,277,267 km (0.12 R)
• M5: 1,691,952 km (0.072 R)
• M6: 2,308,445 km (0.119 R)
• M7: 3,396,021 km (0.112 R)
• M8: 3,912,882 km (0.089 R)
• M9: 4,573,357 km (0.045 R)
• M10: 5,692,049 km (0.104 R)
• M11: 6,480,580 km (0.086 R)
• M12: 6,962,883 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.8

Radius: 12.5

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.46 AU - 2.12 AU

Year: 1571 Days

Day: 7.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,153,573 km

• M1: 155,432 km (0.105 R)
• M2: 553,512 km (0.108 R)
• M3: 1,144,274 km (0.075 R)
• M4: 1,535,921 km (0.054 R)
• M5: 2,349,435 km (0.101 R)
• M6: 2,902,049 km (0.061 R)
• M7: 3,313,443 km (0.101 R)
• M8: 3,735,459 km (0.049 R)
• M9: 4,412,539 km (0.056 R)
• M10: 5,152,450 km (0.098 R)
• M11: 6,814,931 km (0.085 R)
• M12: 7,298,282 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.2

Radius: 13.7

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.8 AU - 2.86 AU

Year: 3123 Days

Day: 9.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,153,573 km

• M1: 170,392 km (0.099 R)
• M2: 604,675 km (0.063 R)
• M3: 1,043,744 km (0.091 R)
• M4: 1,525,001 km (0.079 R)
• M5: 2,370,977 km (0.091 R)
• M6: 3,296,688 km (0.043 R)
• M7: 3,812,651 km (0.093 R)
• M8: 4,433,931 km (0.104 R)
• M9: 5,859,749 km (0.116 R)
• M10: 6,441,984 km (0.111 R)
• M11: 7,597,477 km (0.071 R)
• M12: 8,970,337 km (0.113 R)
• M13: 9,834,414 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.9

Radius: 10.7

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.69 AU - 5.05 AU

Year: 7050 Days

Day: 9.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 29,153,573 km

• M1: 133,292 km (0.093 R)
• M2: 507,735 km (0.097 R)
• M3: 881,580 km (0.083 R)
• M4: 2,240,378 km (0.068 R)
• M5: 2,575,327 km (0.045 R)
• M6: 3,529,014 km (0.108 R)
• M7: 4,216,117 km (0.039 R)
• M8: 8,459,012 km (0.098 R)
• M9: 9,370,511 km (0.094 R)
• M10: 9,966,809 km (0.108 R)
• M11: 11,286,112 km (0.112 R)
• M12: 11,855,631 km (0.114 R)
• M13: 13,221,759 km (0.105 R)
• M14: 14,629,176 km (0.105 R)
• M15: 15,119,857 km (0.062 R)
• M16: 15,748,617 km (0.097 R)
• M17: 19,229,909 km (0.068 R)
• M18: 21,737,618 km (0.07 R)
• M19: 22,216,032 km (0.05 R)
• M20: 23,861,309 km (0.071 R)
• M21: 25,147,402 km (0.108 R)
• M22: 31,258,774 km (0.07 R)
• M23: 33,851,305 km (0.077 R)
• M24: 36,248,611 km (0.055 R)
• M25: 36,584,010 km (0.056 R)
• M26: 37,946,547 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 541.5

Radius: 6.7

Gravity: 12.06 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.9 AU - 8.58 AU

Year: 12780 Days

Day: 19 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 29,153,573 km

• M1: 83,326 km (0.088 R)
• M2: 452,085 km (0.104 R)
• M3: 669,002 km (0.107 R)
• M4: 1,132,007 km (0.055 R)
• M5: 2,920,150 km (0.119 R)
• M6: 3,246,274 km (0.084 R)
• M7: 3,727,530 km (0.056 R)
• M8: 4,831,862 km (0.063 R)
• M9: 5,528,090 km (0.052 R)
• M10: 6,365,389 km (0.051 R)
• M11: 7,326,107 km (0.068 R)
• M12: 7,929,435 km (0.084 R)
• M13: 8,380,323 km (0.043 R)
• M14: 9,632,457 km (0.102 R)
• M15: 12,323,125 km (0.089 R)
• M16: 17,053,409 km (0.064 R)
• M17: 17,880,536 km (0.109 R)
• M18: 18,420,584 km (0.074 R)
• M19: 18,892,117 km (0.076 R)
• M20: 21,979,368 km (0.095 R)
• M21: 22,243,558 km (0.116 R)
• M22: 24,059,078 km (0.087 R)
• M23: 25,387,207 km (0.101 R)
• M24: 29,343,922 km (0.029 R)
• M25: 29,986,893 km (0.107 R)
• M26: 30,748,945 km (0.115 R)
• M27: 31,523,862 km (0.081 R)
• M28: 33,809,568 km (0.067 R)
• M29: 34,873,358 km (0.079 R)
• M30: 39,351,869 km (0.105 R)
• M31: 45,185,738 km (0.053 R)
• M32: 45,899,319 km (0.099 R)
• M33: 46,765,491 km (0.116 R)
• M34: 47,642,583 km (0.03 R)
• M35: 49,429,680 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.3

Radius: 6.6

Gravity: 17.48 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.55 AU - 9.83 AU

Year: 15376 Days

Day: 15.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 29,153,573 km

• M1: 85,720 km (0.092 R)
• M2: 418,276 km (0.111 R)
• M3: 928,554 km (0.094 R)
• M4: 1,297,612 km (0.104 R)
• M5: 1,709,904 km (0.077 R)
• M6: 2,349,734 km (0.07 R)
• M7: 3,012,602 km (0.069 R)
• M8: 3,455,412 km (0.067 R)
• M9: 3,881,317 km (0.082 R)
• M10: 5,153,198 km (0.07 R)
• M11: 5,632,958 km (0.112 R)
• M12: 6,101,798 km (0.051 R)
• M13: 9,210,890 km (0.106 R)
• M14: 10,658,549 km (0.116 R)
• M15: 11,012,946 km (0.039 R)
• M16: 11,497,793 km (0.106 R)
• M17: 11,808,059 km (0.102 R)
• M18: 12,971,183 km (0.108 R)
• M19: 14,929,419 km (0.05 R)
• M20: 16,055,741 km (0.072 R)
• M21: 16,365,409 km (0.085 R)
• M22: 16,758,103 km (0.085 R)
• M23: 19,773,099 km (0.093 R)
• M24: 20,128,992 km (0.059 R)
• M25: 22,740,672 km (0.075 R)
• M26: 23,033,285 km (0.087 R)
• M27: 26,312,321 km (0.099 R)
• M28: 26,959,930 km (0.092 R)
• M29: 28,625,403 km (0.118 R)
• M30: 33,400,118 km (0.12 R)
• M31: 37,581,977 km (0.093 R)
• M32: 39,236,230 km (0.032 R)
• M33: 43,134,452 km (0.084 R)
• M34: 52,027,147 km (0.081 R)
• M35: 52,705,424 km (0.113 R)
• M36: 56,185,519 km (0.084 R)
• M37: 61,310,593 km (0.106 R)
• M38: 63,986,151 km (0.08 R)
• M39: 65,944,237 km (0.071 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.4

Radius: 4.4

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 8.45 AU - 13.69 AU

Year: 24162 Days

Day: 21.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,153,573 km

• M1: 55,650 km (0.103 R)
• M2: 413,339 km (0.102 R)
• M3: 749,785 km (0.045 R)
• M4: 1,178,382 km (0.082 R)
• M5: 1,834,519 km (0.109 R)
• M6: 2,002,068 km (0.115 R)
• M7: 2,636,214 km (0.092 R)
• M8: 2,942,889 km (0.042 R)
• M9: 3,670,234 km (0.031 R)
• M10: 5,083,186 km (0.111 R)
• M11: 8,157,123 km (0.072 R)
• M12: 9,739,121 km (0.119 R)
• M13: 10,469,457 km (0.085 R)
• M14: 10,646,581 km (0.101 R)
• M15: 13,082,184 km (0.025 R)
• M16: 16,874,191 km (0.104 R)
• M17: 17,056,551 km (0.112 R)
• M18: 19,884,848 km (0.116 R)
• M19: 20,776,601 km (0.115 R)
• M20: 25,319,888 km (0.106 R)
• M21: 27,863,651 km (0.033 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 16,833 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit