🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.73 AU - 0.85 AU

Year: 253 Days

Day: 16.5 Hours

Environment

Temp: 187 °C

Axial Tilt: 33.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 107,897,492 km

• M1: 132,993 km (0.063 R)
• M2: 310,416 km (0.038 R)

Asteroid Belt

Center: 1.13 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.4 AU - 1.52 AU

Year: 635 Days

Day: 43.2 Hours

Environment

Temp: -23 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 107,897,492 km

• M1: 39,045 km (0.115 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.83 AU - 2.41 AU

Year: 1111 Days

Day: 25.9 Hours

Environment

Temp: -77 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.1

Radius: 13.5

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.39 AU - 7.11 AU

Year: 5623 Days

Day: 9.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 107,897,492 km

• M1: 167,849 km (0.074 R)
• M2: 632,500 km (0.09 R)
• M3: 1,241,363 km (0.11 R)
• M4: 4,126,059 km (0.111 R)
• M5: 5,024,095 km (0.074 R)
• M6: 5,641,485 km (0.112 R)
• M7: 6,543,112 km (0.071 R)
• M8: 7,280,629 km (0.081 R)
• M9: 7,841,023 km (0.065 R)
• M10: 8,756,113 km (0.091 R)
• M11: 9,785,646 km (0.082 R)
• M12: 10,894,315 km (0.104 R)
• M13: 11,380,359 km (0.085 R)
• M14: 12,659,121 km (0.104 R)
• M15: 14,145,675 km (0.074 R)
• M16: 16,621,221 km (0.119 R)
• M17: 17,995,277 km (0.11 R)
• M18: 19,161,991 km (0.118 R)
• M19: 20,015,597 km (0.085 R)
• M20: 20,451,824 km (0.04 R)
• M21: 21,951,842 km (0.089 R)
• M22: 23,928,628 km (0.119 R)
• M23: 26,021,652 km (0.115 R)
• M24: 27,512,844 km (0.038 R)
• M25: 28,052,443 km (0.109 R)
• M26: 28,507,520 km (0.078 R)
• M27: 31,538,223 km (0.116 R)
• M28: 32,228,617 km (0.052 R)
• M29: 34,777,466 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.4

Radius: 8.9

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.9 AU - 10.82 AU

Year: 11143 Days

Day: 14.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 107,897,492 km

• M1: 111,899 km (0.116 R)
• M2: 412,741 km (0.093 R)
• M3: 1,189,153 km (0.111 R)
• M4: 1,704,219 km (0.069 R)
• M5: 2,641,300 km (0.107 R)
• M6: 3,450,924 km (0.112 R)
• M7: 4,698,869 km (0.087 R)
• M8: 5,268,089 km (0.105 R)
• M9: 9,321,892 km (0.084 R)
• M10: 10,220,377 km (0.106 R)
• M11: 12,079,280 km (0.09 R)
• M12: 14,894,263 km (0.049 R)
• M13: 17,273,019 km (0.062 R)
• M14: 19,741,982 km (0.119 R)
• M15: 20,745,186 km (0.053 R)
• M16: 28,254,849 km (0.079 R)
• M17: 29,329,710 km (0.105 R)
• M18: 30,839,003 km (0.069 R)
• M19: 36,016,286 km (0.101 R)
• M20: 36,701,594 km (0.066 R)
• M21: 37,745,936 km (0.09 R)
• M22: 38,809,876 km (0.059 R)
• M23: 40,381,851 km (0.12 R)
• M24: 41,870,200 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 394.2

Radius: 4.8

Gravity: 17.11 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 12.74 AU - 17.34 AU

Year: 20991 Days

Day: 16 Hours

Environment

Temp: -190 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 107,897,492 km

• M1: 63,878 km (0.069 R)
• M2: 358,436 km (0.094 R)
• M3: 681,867 km (0.117 R)
• M4: 843,882 km (0.095 R)
• M5: 6,583,353 km (0.071 R)
• M6: 9,509,338 km (0.025 R)
• M7: 10,457,490 km (0.057 R)
• M8: 15,850,493 km (0.099 R)
• M9: 20,775,105 km (0.027 R)
• M10: 35,672,510 km (0.075 R)
• M11: 37,806,075 km (0.069 R)
• M12: 38,215,374 km (0.065 R)
• M13: 45,479,099 km (0.054 R)
• M14: 48,144,036 km (0.104 R)
• M15: 48,785,960 km (0.085 R)
• M16: 50,745,692 km (0.072 R)
• M17: 59,109,709 km (0.062 R)
• M18: 61,523,471 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.7

Radius: 4.8

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 18.03 AU - 19.11 AU

Year: 28800 Days

Day: 20.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 107,897,492 km

• M1: 59,989 km (0.102 R)
• M2: 317,447 km (0.065 R)
• M3: 580,141 km (0.11 R)
• M4: 1,218,475 km (0.1 R)
• M5: 2,028,846 km (0.115 R)
• M6: 2,179,791 km (0.082 R)
• M7: 4,162,710 km (0.113 R)
• M8: 6,851,433 km (0.109 R)
• M9: 7,368,144 km (0.096 R)
• M10: 7,546,016 km (0.067 R)
• M11: 7,726,730 km (0.105 R)
• M12: 8,050,011 km (0.106 R)
• M13: 9,074,008 km (0.118 R)
• M14: 10,740,230 km (0.091 R)
• M15: 11,084,604 km (0.094 R)
• M16: 11,978,152 km (0.108 R)
• M17: 15,812,495 km (0.077 R)
• M18: 18,125,727 km (0.088 R)
• M19: 21,457,122 km (0.096 R)
• M20: 25,074,548 km (0.054 R)
• M21: 25,884,770 km (0.063 R)
• M22: 26,090,018 km (0.1 R)
• M23: 35,851,279 km (0.07 R)
• M24: 40,215,797 km (0.081 R)
• M25: 43,748,850 km (0.083 R)
• M26: 51,101,286 km (0.03 R)
• M27: 54,225,488 km (0.038 R)
• M28: 56,607,236 km (0.088 R)
• M29: 57,300,323 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921

Radius: 5.3

Gravity: 32.79 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 17.16 AU - 20.26 AU

Year: 29126 Days

Day: 20 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 107,897,492 km

• M1: 67,169 km (0.101 R)
• M2: 234,270 km (0.066 R)
• M3: 737,667 km (0.119 R)
• M4: 981,362 km (0.034 R)
• M5: 1,501,364 km (0.114 R)
• M6: 2,164,831 km (0.119 R)
• M7: 2,641,749 km (0.065 R)
• M8: 3,533,502 km (0.028 R)
• M9: 4,571,262 km (0.12 R)
• M10: 5,352,612 km (0.093 R)
• M11: 5,936,193 km (0.067 R)
• M12: 6,267,552 km (0.077 R)
• M13: 8,880,728 km (0.063 R)
• M14: 11,119,011 km (0.092 R)
• M15: 11,842,766 km (0.096 R)
• M16: 15,758,789 km (0.116 R)
• M17: 16,764,087 km (0.066 R)
• M18: 17,330,016 km (0.105 R)
• M19: 19,411,521 km (0.086 R)
• M20: 20,352,491 km (0.1 R)
• M21: 32,208,122 km (0.062 R)
• M22: 37,689,837 km (0.083 R)
• M23: 51,632,209 km (0.102 R)
• M24: 65,589,242 km (0.075 R)
• M25: 82,131,026 km (0.083 R)
• M26: 98,785,608 km (0.086 R)
• M27: 102,490,997 km (0.039 R)

Kuiper Belt

Range: 30.5 - 50.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 19,665 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit