🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.52 AU - 0.62 AU

Year: 156 Days

Day: 33.3 Hours

Environment

Temp: 197 °C

Axial Tilt: 49.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,883,835 km

• M1: 132,843 km (0.046 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.6 AU - 0.64 AU

Year: 177 Days

Day: 13.8 Hours

Environment

Temp: 229 °C

Axial Tilt: 45.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.89 AU - 1.07 AU

Year: 351 Days

Day: 47.9 Hours

Environment

Temp: 156 °C

Axial Tilt: 21.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.44 AU - 2.32 AU

Year: 932 Days

Day: 40.4 Hours

Environment

Temp: -51 °C

Axial Tilt: 27.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.28 AU - 4.78 AU

Year: 3487 Days

Day: 44.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.7

Radius: 9.4

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.33 AU - 6.77 AU

Year: 5382 Days

Day: 9.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 54,883,835 km

• M1: 145,708 km (0.108 R)
• M2: 367,263 km (0.098 R)
• M3: 511,774 km (0.027 R)
• M4: 644,916 km (0.028 R)
• M5: 903,122 km (0.041 R)
• M6: 991,535 km (0.083 R)
• M7: 1,161,478 km (0.12 R)
• M8: 1,250,189 km (0.051 R)
• M9: 1,316,162 km (0.042 R)
• M10: 1,383,481 km (0.093 R)
• M11: 1,728,155 km (0.112 R)
• M12: 1,820,905 km (0.119 R)
• M13: 1,953,748 km (0.094 R)
• M14: 2,208,813 km (0.071 R)
• M15: 2,289,595 km (0.103 R)
• M16: 2,665,086 km (0.048 R)
• M17: 2,937,504 km (0.119 R)
• M18: 3,139,162 km (0.084 R)
• M19: 3,356,976 km (0.108 R)
• M20: 3,497,149 km (0.034 R)
• M21: 3,747,277 km (0.117 R)
• M22: 3,880,569 km (0.058 R)
• M23: 3,953,872 km (0.118 R)
• M24: 4,102,123 km (0.067 R)
• M25: 4,227,037 km (0.049 R)
• M26: 4,455,174 km (0.072 R)
• M27: 4,532,067 km (0.077 R)
• M28: 4,635,290 km (0.037 R)
• M29: 4,936,730 km (0.064 R)
• M30: 5,003,002 km (0.111 R)
• M31: 5,407,514 km (0.1 R)
• M32: 5,655,248 km (0.113 R)
• M33: 5,878,598 km (0.071 R)
• M34: 6,334,123 km (0.091 R)
• M35: 6,771,398 km (0.076 R)
• M36: 6,830,489 km (0.088 R)
• M37: 7,053,540 km (0.113 R)
• M38: 7,476,303 km (0.108 R)
• M39: 7,644,750 km (0.098 R)
• M40: 8,220,253 km (0.109 R)
• M41: 8,632,994 km (0.057 R)
• M42: 9,248,440 km (0.109 R)
• M43: 9,363,480 km (0.064 R)
• M44: 9,462,365 km (0.049 R)
• M45: 9,694,391 km (0.115 R)
• M46: 9,844,587 km (0.059 R)
• M47: 10,470,355 km (0.069 R)
• M48: 10,796,628 km (0.08 R)
• M49: 10,917,653 km (0.088 R)
• M50: 11,091,336 km (0.072 R)
• M51: 11,283,569 km (0.093 R)
• M52: 11,353,730 km (0.082 R)
• M53: 11,777,691 km (0.112 R)
• M54: 11,991,616 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.7

Radius: 10.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.76 AU - 7.18 AU

Year: 5952 Days

Day: 5.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 54,883,835 km

• M1: 158,424 km (0.111 R)
• M2: 516,561 km (0.059 R)
• M3: 625,768 km (0.094 R)
• M4: 831,166 km (0.08 R)
• M5: 989,889 km (0.114 R)
• M6: 1,130,212 km (0.095 R)
• M7: 1,353,562 km (0.118 R)
• M8: 1,690,456 km (0.11 R)
• M9: 2,000,273 km (0.031 R)
• M10: 2,071,631 km (0.051 R)
• M11: 2,365,890 km (0.07 R)
• M12: 2,518,031 km (0.085 R)
• M13: 2,772,348 km (0.099 R)
• M14: 2,953,511 km (0.065 R)
• M15: 3,264,076 km (0.1 R)
• M16: 3,585,113 km (0.105 R)
• M17: 3,984,090 km (0.099 R)
• M18: 4,120,225 km (0.079 R)
• M19: 4,514,565 km (0.1 R)
• M20: 5,289,631 km (0.041 R)
• M21: 5,820,554 km (0.109 R)
• M22: 6,289,394 km (0.092 R)
• M23: 6,662,341 km (0.081 R)
• M24: 6,797,428 km (0.047 R)
• M25: 6,960,639 km (0.103 R)
• M26: 7,152,723 km (0.051 R)
• M27: 7,458,052 km (0.112 R)
• M28: 8,428,942 km (0.104 R)
• M29: 8,692,534 km (0.111 R)
• M30: 8,958,968 km (0.038 R)
• M31: 9,048,278 km (0.117 R)
• M32: 9,198,025 km (0.068 R)
• M33: 9,591,019 km (0.12 R)
• M34: 9,835,611 km (0.044 R)
• M35: 10,676,351 km (0.114 R)
• M36: 10,771,196 km (0.097 R)
• M37: 11,121,255 km (0.049 R)
• M38: 11,313,937 km (0.097 R)
• M39: 11,800,280 km (0.105 R)
• M40: 11,931,029 km (0.061 R)
• M41: 12,128,199 km (0.113 R)
• M42: 12,927,799 km (0.071 R)
• M43: 13,130,355 km (0.091 R)
• M44: 13,265,890 km (0.056 R)
• M45: 14,297,966 km (0.041 R)
• M46: 15,106,543 km (0.052 R)
• M47: 15,498,489 km (0.102 R)
• M48: 15,749,813 km (0.069 R)
• M49: 16,438,412 km (0.074 R)
• M50: 16,841,579 km (0.102 R)
• M51: 17,471,087 km (0.115 R)
• M52: 17,582,986 km (0.086 R)
• M53: 17,657,785 km (0.042 R)
• M54: 17,920,179 km (0.112 R)
• M55: 17,995,427 km (0.11 R)
• M56: 21,968,148 km (0.064 R)
• M57: 22,777,772 km (0.101 R)
• M58: 23,720,986 km (0.078 R)
• M59: 24,342,865 km (0.091 R)
• M60: 24,718,655 km (0.104 R)
• M61: 25,602,928 km (0.085 R)
• M62: 25,900,029 km (0.051 R)
• M63: 26,112,907 km (0.116 R)
• M64: 27,272,589 km (0.077 R)
• M65: 28,712,619 km (0.1 R)
• M66: 29,153,932 km (0.083 R)
• M67: 29,686,351 km (0.047 R)
• M68: 29,820,092 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.6

Radius: 7.2

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 14.68 AU - 15.04 AU

Year: 20717 Days

Day: 17.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 54,883,835 km

• M1: 108,907 km (0.115 R)
• M2: 388,655 km (0.11 R)
• M3: 1,018,612 km (0.092 R)
• M4: 1,519,914 km (0.041 R)
• M5: 1,693,897 km (0.114 R)
• M6: 1,927,269 km (0.114 R)
• M7: 2,310,539 km (0.106 R)
• M8: 2,424,533 km (0.095 R)
• M9: 2,482,128 km (0.111 R)
• M10: 2,990,611 km (0.084 R)
• M11: 3,896,426 km (0.085 R)
• M12: 4,880,631 km (0.073 R)
• M13: 5,743,661 km (0.069 R)
• M14: 6,371,673 km (0.064 R)
• M15: 6,938,798 km (0.095 R)
• M16: 8,164,453 km (0.033 R)
• M17: 8,735,468 km (0.111 R)
• M18: 8,913,640 km (0.071 R)
• M19: 9,003,249 km (0.045 R)
• M20: 9,823,045 km (0.061 R)
• M21: 10,666,328 km (0.108 R)
• M22: 10,761,472 km (0.09 R)
• M23: 11,581,568 km (0.116 R)
• M24: 13,179,124 km (0.071 R)
• M25: 14,003,557 km (0.096 R)
• M26: 14,738,532 km (0.094 R)
• M27: 14,791,489 km (0.115 R)
• M28: 17,352,156 km (0.084 R)
• M29: 17,520,155 km (0.094 R)
• M30: 17,745,150 km (0.101 R)
• M31: 20,163,848 km (0.105 R)
• M32: 20,281,582 km (0.071 R)
• M33: 20,517,797 km (0.094 R)
• M34: 21,351,506 km (0.103 R)
• M35: 22,014,374 km (0.118 R)
• M36: 22,074,961 km (0.094 R)
• M37: 22,317,908 km (0.089 R)
• M38: 22,745,159 km (0.111 R)
• M39: 22,806,345 km (0.102 R)
• M40: 23,236,738 km (0.057 R)
• M41: 26,130,709 km (0.065 R)
• M42: 27,685,180 km (0.079 R)
• M43: 29,003,287 km (0.05 R)
• M44: 30,815,067 km (0.101 R)
• M45: 31,290,639 km (0.052 R)
• M46: 31,631,871 km (0.075 R)
• M47: 31,768,753 km (0.094 R)
• M48: 31,974,450 km (0.081 R)
• M49: 32,524,971 km (0.088 R)
• M50: 33,914,884 km (0.116 R)
• M51: 34,195,231 km (0.074 R)
• M52: 36,178,899 km (0.079 R)
• M53: 37,546,074 km (0.058 R)
• M54: 37,618,479 km (0.113 R)
• M55: 38,272,521 km (0.078 R)
• M56: 40,627,790 km (0.119 R)
• M57: 41,074,639 km (0.11 R)
• M58: 41,373,386 km (0.069 R)
• M59: 42,274,114 km (0.077 R)
• M60: 42,349,512 km (0.033 R)
• M61: 42,953,887 km (0.101 R)
• M62: 44,554,135 km (0.104 R)
• M63: 45,245,876 km (0.075 R)
• M64: 46,795,710 km (0.066 R)
• M65: 48,363,047 km (0.065 R)
• M66: 48,441,885 km (0.095 R)
• M67: 48,678,549 km (0.089 R)
• M68: 49,153,073 km (0.116 R)
• M69: 51,066,580 km (0.103 R)
• M70: 51,227,098 km (0.051 R)

Kuiper Belt

Range: 30.3 - 60.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 17,519 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit