🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.49 AU - 0.53 AU

Year: 136 Days

Day: 29.1 Hours

Environment

Temp: 197 °C

Axial Tilt: 15.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,809,713 km

• M1: 23,786 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.7 AU - 0.76 AU

Year: 234 Days

Day: 19.6 Hours

Environment

Temp: 150 °C

Axial Tilt: 24.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.74 AU - 0.76 AU

Year: 243 Days

Day: 33.4 Hours

Environment

Temp: 160 °C

Axial Tilt: 5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.94 AU - 3.26 AU

Year: 2045 Days

Day: 36.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,809,713 km

• M1: 2,169,768 km (0.115 R)

Asteroid Belt

Center: 5.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.3

Radius: 12.5

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 6.77 AU - 9.13 AU

Year: 8400 Days

Day: 10.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,809,713 km

• M1: 155,432 km (0.083 R)
• M2: 651,648 km (0.098 R)
• M3: 1,168,359 km (0.078 R)
• M4: 1,871,918 km (0.078 R)
• M5: 2,329,538 km (0.074 R)
• M6: 2,861,957 km (0.094 R)
• M7: 3,366,999 km (0.062 R)
• M8: 3,767,024 km (0.074 R)
• M9: 4,350,306 km (0.08 R)
• M10: 5,308,630 km (0.091 R)
• M11: 6,205,320 km (0.084 R)
• M12: 7,492,759 km (0.074 R)
• M13: 7,985,086 km (0.038 R)
• M14: 9,593,412 km (0.116 R)
• M15: 10,637,755 km (0.061 R)
• M16: 13,662,923 km (0.113 R)
• M17: 16,451,577 km (0.056 R)
• M18: 17,547,681 km (0.079 R)
• M19: 20,100,867 km (0.09 R)
• M20: 22,036,963 km (0.104 R)
• M21: 22,813,675 km (0.053 R)
• M22: 28,043,467 km (0.087 R)
• M23: 32,107,144 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.9

Radius: 11.5

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 7.49 AU - 9.43 AU

Year: 9221 Days

Day: 8.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,809,713 km

• M1: 144,512 km (0.119 R)
• M2: 592,408 km (0.118 R)
• M3: 2,759,782 km (0.117 R)
• M4: 3,613,537 km (0.117 R)
• M5: 4,238,407 km (0.109 R)
• M6: 4,664,761 km (0.053 R)
• M7: 5,504,753 km (0.119 R)
• M8: 7,323,414 km (0.104 R)
• M9: 8,501,497 km (0.084 R)
• M10: 9,998,074 km (0.034 R)
• M11: 10,861,254 km (0.077 R)
• M12: 11,995,206 km (0.104 R)
• M13: 12,793,909 km (0.036 R)
• M14: 13,996,078 km (0.091 R)
• M15: 17,045,032 km (0.081 R)
• M16: 18,574,072 km (0.118 R)
• M17: 19,487,815 km (0.095 R)
• M18: 22,579,704 km (0.042 R)
• M19: 23,885,544 km (0.118 R)
• M20: 26,078,649 km (0.094 R)
• M21: 27,127,330 km (0.058 R)
• M22: 35,849,185 km (0.118 R)
• M23: 42,122,572 km (0.114 R)
• M24: 45,312,896 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.7

Radius: 7.8

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 13.44 AU - 17.52 AU

Year: 22824 Days

Day: 16.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,809,713 km

• M1: 162,014 km (0.117 R)
• M2: 703,708 km (0.118 R)
• M3: 1,354,459 km (0.042 R)
• M4: 1,815,819 km (0.091 R)
• M5: 2,124,140 km (0.117 R)
• M6: 4,699,916 km (0.042 R)
• M7: 5,517,020 km (0.119 R)
• M8: 6,556,725 km (0.093 R)
• M9: 7,870,045 km (0.106 R)
• M10: 8,641,671 km (0.093 R)
• M11: 13,272,173 km (0.098 R)
• M12: 13,701,819 km (0.093 R)
• M13: 19,058,769 km (0.117 R)
• M14: 19,883,053 km (0.092 R)
• M15: 20,730,824 km (0.083 R)
• M16: 23,731,458 km (0.056 R)
• M17: 27,699,542 km (0.034 R)
• M18: 28,401,305 km (0.062 R)
• M19: 58,571,157 km (0.111 R)
• M20: 70,167,086 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.9

Radius: 5.9

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 15.29 AU - 18.51 AU

Year: 26035 Days

Day: 22.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,809,713 km

• M1: 73,453 km (0.103 R)
• M2: 277,504 km (0.097 R)
• M3: 508,184 km (0.09 R)
• M4: 1,271,881 km (0.054 R)
• M5: 2,254,739 km (0.074 R)
• M6: 2,744,373 km (0.051 R)
• M7: 3,356,677 km (0.084 R)
• M8: 3,994,263 km (0.08 R)
• M9: 4,607,166 km (0.098 R)
• M10: 4,883,323 km (0.062 R)
• M11: 5,393,003 km (0.073 R)
• M12: 6,734,298 km (0.085 R)
• M13: 6,955,403 km (0.045 R)
• M14: 9,008,036 km (0.107 R)
• M15: 10,880,552 km (0.09 R)
• M16: 11,939,705 km (0.101 R)
• M17: 12,593,897 km (0.065 R)
• M18: 15,604,554 km (0.058 R)
• M19: 16,070,551 km (0.105 R)
• M20: 20,596,934 km (0.045 R)
• M21: 25,583,031 km (0.105 R)
• M22: 27,334,224 km (0.08 R)
• M23: 28,353,584 km (0.12 R)
• M24: 28,699,005 km (0.115 R)
• M25: 30,709,152 km (0.095 R)
• M26: 32,937,861 km (0.095 R)
• M27: 34,744,105 km (0.071 R)
• M28: 36,344,055 km (0.107 R)
• M29: 40,267,109 km (0.054 R)
• M30: 40,703,337 km (0.108 R)
• M31: 43,235,879 km (0.094 R)
• M32: 50,106,460 km (0.108 R)
• M33: 52,318,415 km (0.107 R)
• M34: 53,536,141 km (0.033 R)
• M35: 55,847,428 km (0.089 R)
• M36: 60,667,771 km (0.105 R)
• M37: 62,788,171 km (0.115 R)
• M38: 62,983,247 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228.5

Radius: 3.4

Gravity: 19.77 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 15.32 AU - 23.26 AU

Year: 31749 Days

Day: 19.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,809,713 km

• M1: 45,627 km (0.111 R)
• M2: 309,518 km (0.112 R)
• M3: 590,912 km (0.031 R)
• M4: 1,246,300 km (0.055 R)
• M5: 5,474,085 km (0.07 R)
• M6: 8,229,828 km (0.089 R)
• M7: 9,845,036 km (0.041 R)
• M8: 12,986,442 km (0.108 R)
• M9: 14,263,409 km (0.093 R)
• M10: 18,331,573 km (0.098 R)
• M11: 20,863,218 km (0.069 R)
• M12: 22,707,910 km (0.109 R)
• M13: 24,030,953 km (0.07 R)
• M14: 32,172,368 km (0.119 R)
• M15: 32,806,514 km (0.073 R)
• M16: 38,893,053 km (0.118 R)
• M17: 39,612,619 km (0.086 R)
• M18: 56,658,847 km (0.109 R)
• M19: 64,534,726 km (0.113 R)
• M20: 65,745,272 km (0.084 R)
• M21: 69,889,432 km (0.112 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 13,938 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit