🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.21 AU - 2.91 AU

Year: 1560 Days

Day: 31.5 Hours

Environment

Temp: -107 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.67 AU - 2.69 AU

Year: 1671 Days

Day: 28.6 Hours

Environment

Temp: -109 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,425,854 km

• M1: 44,281 km (0.045 R)

Asteroid Belt

Center: 3.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.8

Radius: 12.3

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.49 AU - 5.35 AU

Year: 4156 Days

Day: 11.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,425,854 km

• M1: 155,133 km (0.107 R)
• M2: 834,756 km (0.108 R)
• M3: 1,456,934 km (0.063 R)
• M4: 2,023,910 km (0.091 R)
• M5: 3,842,122 km (0.106 R)
• M6: 4,235,565 km (0.087 R)
• M7: 5,633,557 km (0.062 R)
• M8: 12,402,112 km (0.039 R)
• M9: 12,944,405 km (0.031 R)
• M10: 15,531,401 km (0.049 R)
• M11: 15,949,826 km (0.117 R)
• M12: 16,645,905 km (0.102 R)
• M13: 18,620,896 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.4

Radius: 11.7

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.33 AU - 6.19 AU

Year: 4594 Days

Day: 14.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,425,854 km

• M1: 145,559 km (0.115 R)
• M2: 537,954 km (0.074 R)
• M3: 1,131,409 km (0.065 R)
• M4: 1,825,992 km (0.116 R)
• M5: 3,284,571 km (0.083 R)
• M6: 3,689,981 km (0.079 R)
• M7: 5,831,624 km (0.085 R)
• M8: 7,471,516 km (0.118 R)
• M9: 7,854,487 km (0.066 R)
• M10: 8,250,771 km (0.101 R)
• M11: 9,044,238 km (0.045 R)
• M12: 10,054,622 km (0.068 R)
• M13: 10,695,949 km (0.094 R)
• M14: 11,228,667 km (0.114 R)
• M15: 20,803,229 km (0.118 R)
• M16: 25,570,315 km (0.088 R)
• M17: 26,203,264 km (0.056 R)
• M18: 27,500,577 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.6

Radius: 12.3

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.14 AU - 6.58 AU

Year: 4725 Days

Day: 10.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,425,854 km

• M1: 153,487 km (0.12 R)
• M2: 546,331 km (0.111 R)
• M3: 1,657,245 km (0.111 R)
• M4: 2,213,300 km (0.103 R)
• M5: 2,927,182 km (0.058 R)
• M6: 3,579,877 km (0.065 R)
• M7: 4,097,336 km (0.098 R)
• M8: 4,590,859 km (0.117 R)
• M9: 5,071,368 km (0.05 R)
• M10: 5,812,027 km (0.117 R)
• M11: 6,942,987 km (0.092 R)
• M12: 8,178,815 km (0.098 R)
• M13: 8,849,462 km (0.103 R)
• M14: 15,659,157 km (0.086 R)
• M15: 16,693,776 km (0.1 R)
• M16: 17,651,352 km (0.109 R)
• M17: 18,143,679 km (0.109 R)
• M18: 22,418,438 km (0.111 R)
• M19: 23,881,206 km (0.089 R)
• M20: 24,483,786 km (0.102 R)
• M21: 25,406,655 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706

Radius: 14.6

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7.75 AU - 7.79 AU

Year: 8248 Days

Day: 8 Hours

Environment

Temp: -160 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,425,854 km

• M1: 181,612 km (0.081 R)
• M2: 670,946 km (0.088 R)
• M3: 2,078,513 km (0.089 R)
• M4: 2,658,205 km (0.117 R)
• M5: 3,234,007 km (0.108 R)
• M6: 3,968,532 km (0.101 R)
• M7: 5,872,464 km (0.114 R)
• M8: 6,387,380 km (0.1 R)
• M9: 7,707,731 km (0.093 R)
• M10: 8,583,327 km (0.086 R)
• M11: 9,431,847 km (0.039 R)
• M12: 10,733,198 km (0.11 R)
• M13: 11,825,712 km (0.114 R)
• M14: 12,594,495 km (0.083 R)
• M15: 13,163,715 km (0.114 R)
• M16: 15,550,250 km (0.119 R)
• M17: 16,073,394 km (0.062 R)
• M18: 18,284,600 km (0.088 R)
• M19: 26,037,210 km (0.077 R)
• M20: 27,339,011 km (0.111 R)
• M21: 27,814,433 km (0.06 R)
• M22: 28,781,583 km (0.065 R)
• M23: 42,327,820 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.6

Radius: 4.3

Gravity: 13.99 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 9.62 AU - 15.08 AU

Year: 16527 Days

Day: 15.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,425,854 km

• M1: 68,665 km (0.101 R)
• M2: 210,335 km (0.06 R)
• M3: 846,126 km (0.112 R)
• M4: 1,295,368 km (0.072 R)
• M5: 2,624,844 km (0.048 R)
• M6: 3,149,334 km (0.104 R)
• M7: 3,793,054 km (0.082 R)
• M8: 4,202,204 km (0.03 R)
• M9: 5,369,666 km (0.097 R)
• M10: 7,840,873 km (0.09 R)
• M11: 8,594,098 km (0.09 R)
• M12: 9,058,899 km (0.114 R)
• M13: 13,584,534 km (0.047 R)
• M14: 15,601,263 km (0.111 R)
• M15: 21,371,701 km (0.054 R)
• M16: 24,634,880 km (0.103 R)
• M17: 25,855,898 km (0.083 R)
• M18: 33,356,136 km (0.074 R)
• M19: 34,500,560 km (0.092 R)
• M20: 41,005,076 km (0.07 R)
• M21: 43,252,784 km (0.112 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 19,968 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit