🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.72 AU - 1.08 AU

Year: 307 Days

Day: 13.8 Hours

Environment

Temp: 90 °C

Axial Tilt: 35.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,678,829 km

• M1: 506,239 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.93 AU - 0.95 AU

Year: 328 Days

Day: 31.7 Hours

Environment

Temp: 129 °C

Axial Tilt: 38.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.69 AU - 1.79 AU

Year: 826 Days

Day: 25.7 Hours

Environment

Temp: -45 °C

Axial Tilt: 41.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,678,829 km

• M1: 918,232 km (0.062 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.61 AU - 2.39 AU

Year: 1018 Days

Day: 30.8 Hours

Environment

Temp: -60 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,678,829 km

• M1: 924,964 km (0.06 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.4 AU - 5.32 AU

Year: 3276 Days

Day: 43.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 77,678,829 km

• M1: 624,122 km (0.096 R)
• M2: 2,060,112 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.1

Radius: 12.5

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.22 AU - 6.42 AU

Year: 5718 Days

Day: 12.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 77,678,829 km

• M1: 160,519 km (0.117 R)
• M2: 331,509 km (0.058 R)
• M3: 458,966 km (0.118 R)
• M4: 552,166 km (0.112 R)
• M5: 641,924 km (0.033 R)
• M6: 1,099,096 km (0.083 R)
• M7: 1,247,197 km (0.088 R)
• M8: 1,818,811 km (0.094 R)
• M9: 2,032,586 km (0.08 R)
• M10: 2,124,140 km (0.08 R)
• M11: 2,622,899 km (0.05 R)
• M12: 3,073,339 km (0.113 R)
• M13: 3,158,011 km (0.092 R)
• M14: 3,548,312 km (0.091 R)
• M15: 3,817,289 km (0.05 R)
• M16: 4,000,397 km (0.104 R)
• M17: 4,446,946 km (0.115 R)
• M18: 4,591,308 km (0.107 R)
• M19: 4,712,931 km (0.09 R)
• M20: 4,934,336 km (0.088 R)
• M21: 5,083,934 km (0.091 R)
• M22: 5,285,742 km (0.056 R)
• M23: 5,775,824 km (0.049 R)
• M24: 7,022,274 km (0.1 R)
• M25: 7,417,810 km (0.109 R)
• M26: 7,589,549 km (0.108 R)
• M27: 7,791,655 km (0.057 R)
• M28: 7,937,065 km (0.098 R)
• M29: 8,260,346 km (0.045 R)
• M30: 9,041,396 km (0.104 R)
• M31: 9,133,100 km (0.091 R)
• M32: 9,348,221 km (0.077 R)
• M33: 10,577,168 km (0.114 R)
• M34: 10,706,121 km (0.1 R)
• M35: 10,998,136 km (0.076 R)
• M36: 11,128,735 km (0.065 R)
• M37: 11,325,606 km (0.076 R)
• M38: 11,923,399 km (0.066 R)
• M39: 12,158,567 km (0.088 R)
• M40: 12,667,948 km (0.059 R)
• M41: 12,770,572 km (0.116 R)
• M42: 13,184,210 km (0.094 R)
• M43: 14,344,192 km (0.093 R)
• M44: 14,738,233 km (0.101 R)
• M45: 15,026,957 km (0.092 R)
• M46: 15,646,740 km (0.11 R)
• M47: 16,015,350 km (0.059 R)
• M48: 18,363,587 km (0.067 R)
• M49: 18,518,870 km (0.064 R)
• M50: 18,752,392 km (0.058 R)
• M51: 18,830,482 km (0.043 R)
• M52: 19,143,890 km (0.091 R)
• M53: 19,301,267 km (0.054 R)
• M54: 19,419,599 km (0.096 R)
• M55: 19,895,320 km (0.098 R)
• M56: 20,214,562 km (0.115 R)
• M57: 20,294,597 km (0.109 R)
• M58: 20,414,873 km (0.082 R)
• M59: 20,696,566 km (0.103 R)
• M60: 20,898,523 km (0.117 R)
• M61: 21,304,382 km (0.074 R)
• M62: 21,836,053 km (0.071 R)
• M63: 22,413,501 km (0.101 R)
• M64: 22,537,817 km (0.062 R)
• M65: 24,345,857 km (0.045 R)
• M66: 24,987,482 km (0.05 R)
• M67: 25,288,772 km (0.103 R)
• M68: 25,938,625 km (0.058 R)
• M69: 26,287,487 km (0.118 R)
• M70: 26,374,853 km (0.101 R)
• M71: 26,462,367 km (0.099 R)
• M72: 26,550,032 km (0.092 R)
• M73: 26,857,605 km (0.073 R)
• M74: 27,254,638 km (0.095 R)
• M75: 27,787,206 km (0.113 R)
• M76: 29,178,765 km (0.099 R)
• M77: 29,997,066 km (0.096 R)
• M78: 30,088,470 km (0.119 R)
• M79: 30,500,911 km (0.097 R)
• M80: 30,638,841 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.3

Radius: 4.3

Gravity: 26.52 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 16.19 AU - 17.05 AU

Year: 24385 Days

Day: 22.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 77,678,829 km

• M1: 378,931 km (0.107 R)
• M2: 697,874 km (0.057 R)
• M3: 1,399,638 km (0.118 R)
• M4: 1,522,009 km (0.069 R)
• M5: 2,732,405 km (0.094 R)
• M6: 2,808,550 km (0.106 R)
• M7: 3,002,130 km (0.111 R)
• M8: 3,608,301 km (0.051 R)
• M9: 3,903,906 km (0.104 R)
• M10: 4,163,458 km (0.104 R)
• M11: 4,383,966 km (0.083 R)
• M12: 4,428,546 km (0.054 R)
• M13: 4,882,426 km (0.1 R)
• M14: 6,533,089 km (0.06 R)
• M15: 6,737,738 km (0.103 R)
• M16: 6,892,572 km (0.106 R)
• M17: 7,100,962 km (0.059 R)
• M18: 7,364,105 km (0.09 R)
• M19: 8,063,624 km (0.117 R)
• M20: 9,351,961 km (0.087 R)
• M21: 9,467,002 km (0.104 R)
• M22: 10,883,544 km (0.111 R)
• M23: 11,004,569 km (0.088 R)
• M24: 11,370,336 km (0.054 R)
• M25: 12,238,901 km (0.104 R)
• M26: 12,364,862 km (0.078 R)
• M27: 13,322,289 km (0.108 R)
• M28: 13,581,542 km (0.094 R)
• M29: 13,777,066 km (0.095 R)
• M30: 14,768,900 km (0.078 R)
• M31: 15,037,279 km (0.095 R)
• M32: 15,442,839 km (0.045 R)
• M33: 15,578,823 km (0.103 R)
• M34: 15,851,989 km (0.089 R)
• M35: 17,241,454 km (0.069 R)
• M36: 17,311,914 km (0.11 R)
• M37: 18,380,791 km (0.034 R)
• M38: 19,617,666 km (0.106 R)
• M39: 20,506,876 km (0.028 R)
• M40: 21,409,250 km (0.057 R)
• M41: 21,712,785 km (0.07 R)
• M42: 22,017,815 km (0.079 R)
• M43: 22,247,597 km (0.069 R)
• M44: 24,746,929 km (0.114 R)
• M45: 25,706,898 km (0.077 R)
• M46: 26,516,073 km (0.112 R)
• M47: 26,923,877 km (0.047 R)
• M48: 27,251,496 km (0.068 R)
• M49: 29,497,708 km (0.066 R)
• M50: 29,750,977 km (0.088 R)
• M51: 30,344,582 km (0.086 R)
• M52: 31,975,498 km (0.096 R)
• M53: 32,322,565 km (0.098 R)
• M54: 32,758,044 km (0.12 R)
• M55: 32,932,774 km (0.119 R)
• M56: 33,283,133 km (0.094 R)
• M57: 34,341,687 km (0.107 R)
• M58: 34,430,399 km (0.112 R)
• M59: 34,608,121 km (0.119 R)
• M60: 35,232,393 km (0.101 R)
• M61: 35,411,312 km (0.084 R)
• M62: 35,500,921 km (0.104 R)
• M63: 36,130,429 km (0.098 R)
• M64: 36,582,364 km (0.114 R)
• M65: 37,674,578 km (0.113 R)
• M66: 39,054,768 km (0.11 R)
• M67: 39,797,671 km (0.118 R)
• M68: 42,054,056 km (0.036 R)
• M69: 42,149,050 km (0.11 R)
• M70: 42,434,184 km (0.083 R)
• M71: 44,255,089 km (0.073 R)
• M72: 44,641,800 km (0.081 R)
• M73: 47,280,407 km (0.101 R)
• M74: 48,369,928 km (0.044 R)
• M75: 48,768,158 km (0.117 R)
• M76: 51,789,137 km (0.103 R)
• M77: 55,701,870 km (0.097 R)
• M78: 58,327,312 km (0.09 R)
• M79: 59,282,345 km (0.104 R)
• M80: 60,242,464 km (0.119 R)
• M81: 65,339,563 km (0.088 R)
• M82: 65,559,472 km (0.073 R)
• M83: 66,552,203 km (0.052 R)
• M84: 66,662,756 km (0.11 R)
• M85: 67,994,925 km (0.1 R)
• M86: 68,106,375 km (0.102 R)
• M87: 68,664,375 km (0.095 R)
• M88: 69,223,872 km (0.116 R)
• M89: 70,459,999 km (0.112 R)
• M90: 70,572,796 km (0.112 R)
• M91: 70,685,592 km (0.081 R)
• M92: 72,271,031 km (0.05 R)
• M93: 72,498,569 km (0.07 R)
• M94: 77,329,832 km (0.107 R)

Kuiper Belt

Range: 30.5 - 49.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 11,408 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit