🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.52 AU - 0.58 AU

Year: 153 Days

Day: 19.7 Hours

Environment

Temp: 234 °C

Axial Tilt: 11.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 74,572,002 km

• M1: 64,626 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.65 AU - 0.81 AU

Year: 234 Days

Day: 15.9 Hours

Environment

Temp: 160 °C

Axial Tilt: 7.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.89 AU - 1.17 AU

Year: 392 Days

Day: 17.1 Hours

Environment

Temp: 3 °C

Axial Tilt: 36.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 74,572,002 km

• M1: 295,755 km (0.094 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1 AU - 1.28 AU

Year: 456 Days

Day: 40.8 Hours

Environment

Temp: 13 °C

Axial Tilt: 6.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 74,572,002 km

• M1: 283,488 km (0.103 R)
• M2: 348,114 km (0.081 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.61 AU - 2.11 AU

Year: 951 Days

Day: 45.2 Hours

Environment

Temp: -76 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.48 AU - 3.96 AU

Year: 2689 Days

Day: 33.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 74,572,002 km

• M1: 826,379 km (0.102 R)
• M2: 882,777 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.9

Radius: 8.6

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.7 AU - 7.18 AU

Year: 6851 Days

Day: 8.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 74,572,002 km

• M1: 111,151 km (0.099 R)
• M2: 206,744 km (0.097 R)
• M3: 293,960 km (0.069 R)
• M4: 380,727 km (0.107 R)
• M5: 441,463 km (0.09 R)
• M6: 743,651 km (0.081 R)
• M7: 965,804 km (0.063 R)
• M8: 1,303,895 km (0.054 R)
• M9: 1,602,941 km (0.066 R)
• M10: 1,662,332 km (0.048 R)
• M11: 1,737,729 km (0.082 R)
• M12: 1,845,290 km (0.093 R)
• M13: 1,955,095 km (0.099 R)
• M14: 2,099,457 km (0.117 R)
• M15: 2,518,929 km (0.049 R)
• M16: 2,694,108 km (0.104 R)
• M17: 3,001,232 km (0.119 R)
• M18: 3,205,882 km (0.093 R)
• M19: 3,262,430 km (0.071 R)
• M20: 3,338,576 km (0.102 R)
• M21: 3,767,323 km (0.09 R)
• M22: 3,968,084 km (0.07 R)
• M23: 4,151,790 km (0.109 R)
• M24: 4,213,574 km (0.052 R)
• M25: 4,296,600 km (0.11 R)
• M26: 4,464,150 km (0.084 R)
• M27: 4,870,757 km (0.037 R)
• M28: 4,936,131 km (0.076 R)
• M29: 5,178,031 km (0.065 R)
• M30: 5,289,332 km (0.049 R)
• M31: 5,378,941 km (0.09 R)
• M32: 5,719,575 km (0.089 R)
• M33: 5,788,540 km (0.034 R)
• M34: 6,469,360 km (0.058 R)
• M35: 6,613,423 km (0.095 R)
• M36: 6,807,152 km (0.093 R)
• M37: 6,929,224 km (0.091 R)
• M38: 7,027,360 km (0.109 R)
• M39: 7,200,295 km (0.104 R)
• M40: 7,324,611 km (0.068 R)
• M41: 7,752,910 km (0.105 R)
• M42: 8,034,303 km (0.075 R)
• M43: 8,215,167 km (0.076 R)
• M44: 8,371,198 km (0.094 R)
• M45: 8,659,922 km (0.055 R)
• M46: 9,005,343 km (0.051 R)
• M47: 9,247,243 km (0.039 R)
• M48: 9,328,325 km (0.064 R)
• M49: 9,518,464 km (0.064 R)
• M50: 9,682,423 km (0.076 R)
• M51: 10,041,009 km (0.105 R)
• M52: 10,235,786 km (0.059 R)
• M53: 10,942,037 km (0.106 R)
• M54: 11,113,775 km (0.098 R)
• M55: 11,315,433 km (0.094 R)
• M56: 13,123,024 km (0.119 R)
• M57: 13,275,165 km (0.082 R)
• M58: 13,397,237 km (0.092 R)
• M59: 13,642,578 km (0.032 R)
• M60: 14,356,309 km (0.112 R)
• M61: 15,177,602 km (0.108 R)
• M62: 15,337,372 km (0.101 R)
• M63: 15,561,918 km (0.079 R)
• M64: 16,700,807 km (0.099 R)
• M65: 16,799,691 km (0.043 R)
• M66: 16,931,786 km (0.112 R)
• M67: 17,396,886 km (0.119 R)
• M68: 17,967,452 km (0.109 R)
• M69: 18,305,992 km (0.099 R)
• M70: 18,749,101 km (0.098 R)
• M71: 19,092,428 km (0.094 R)
• M72: 20,556,991 km (0.073 R)
• M73: 21,481,506 km (0.072 R)
• M74: 21,840,840 km (0.112 R)
• M75: 22,093,362 km (0.066 R)
• M76: 23,187,221 km (0.045 R)
• M77: 23,666,533 km (0.101 R)
• M78: 24,186,535 km (0.093 R)
• M79: 24,447,882 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.5

Radius: 13.6

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 8.87 AU - 14.05 AU

Year: 14538 Days

Day: 6.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 74,572,002 km

• M1: 359,633 km (0.094 R)
• M2: 855,251 km (0.119 R)
• M3: 1,259,464 km (0.077 R)
• M4: 1,636,152 km (0.1 R)
• M5: 1,837,959 km (0.031 R)
• M6: 2,203,577 km (0.108 R)
• M7: 2,898,758 km (0.107 R)
• M8: 3,145,146 km (0.062 R)
• M9: 3,659,014 km (0.055 R)
• M10: 4,120,524 km (0.063 R)
• M11: 4,764,842 km (0.065 R)
• M12: 5,226,351 km (0.115 R)
• M13: 5,311,772 km (0.087 R)
• M14: 5,440,875 km (0.104 R)
• M15: 5,571,025 km (0.079 R)
• M16: 5,658,390 km (0.107 R)
• M17: 7,988,078 km (0.103 R)
• M18: 9,148,359 km (0.028 R)
• M19: 9,303,641 km (0.099 R)
• M20: 9,722,066 km (0.1 R)
• M21: 10,039,812 km (0.068 R)
• M22: 10,200,032 km (0.108 R)
• M23: 10,794,833 km (0.102 R)
• M24: 11,013,844 km (0.088 R)
• M25: 11,123,948 km (0.081 R)
• M26: 12,074,643 km (0.069 R)
• M27: 13,934,144 km (0.115 R)
• M28: 14,053,224 km (0.048 R)
• M29: 14,172,753 km (0.087 R)
• M30: 14,292,581 km (0.115 R)
• M31: 15,202,285 km (0.092 R)
• M32: 17,141,373 km (0.049 R)
• M33: 17,654,344 km (0.114 R)
• M34: 17,912,849 km (0.096 R)
• M35: 18,827,042 km (0.098 R)
• M36: 20,361,916 km (0.096 R)
• M37: 20,973,472 km (0.096 R)
• M38: 21,453,382 km (0.115 R)
• M39: 22,493,685 km (0.095 R)
• M40: 24,479,597 km (0.105 R)
• M41: 25,347,714 km (0.118 R)
• M42: 26,005,495 km (0.042 R)
• M43: 26,299,605 km (0.095 R)
• M44: 27,562,061 km (0.079 R)
• M45: 30,145,766 km (0.04 R)
• M46: 30,842,593 km (0.113 R)
• M47: 31,544,656 km (0.047 R)
• M48: 32,568,204 km (0.075 R)
• M49: 33,762,743 km (0.028 R)
• M50: 35,785,307 km (0.086 R)
• M51: 36,522,974 km (0.072 R)
• M52: 36,852,538 km (0.049 R)
• M53: 39,946,820 km (0.111 R)
• M54: 40,201,286 km (0.094 R)
• M55: 40,456,351 km (0.062 R)
• M56: 40,626,743 km (0.081 R)
• M57: 40,882,704 km (0.069 R)
• M58: 41,224,835 km (0.078 R)
• M59: 42,516,313 km (0.099 R)
• M60: 42,862,932 km (0.105 R)
• M61: 43,995,986 km (0.099 R)
• M62: 44,346,643 km (0.047 R)
• M63: 45,847,110 km (0.063 R)
• M64: 48,444,877 km (0.069 R)
• M65: 49,351,739 km (0.072 R)
• M66: 50,998,213 km (0.068 R)
• M67: 51,735,731 km (0.043 R)
• M68: 52,013,235 km (0.076 R)
• M69: 53,128,188 km (0.036 R)
• M70: 53,221,387 km (0.117 R)
• M71: 53,875,728 km (0.087 R)
• M72: 54,250,920 km (0.093 R)
• M73: 54,626,859 km (0.081 R)
• M74: 55,098,093 km (0.061 R)
• M75: 57,761,832 km (0.089 R)
• M76: 58,819,788 km (0.1 R)
• M77: 59,206,050 km (0.103 R)
• M78: 59,787,088 km (0.093 R)
• M79: 60,272,683 km (0.068 R)
• M80: 61,835,382 km (0.091 R)
• M81: 62,031,655 km (0.085 R)
• M82: 62,228,226 km (0.062 R)
• M83: 63,510,430 km (0.109 R)
• M84: 65,700,243 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 282.7

Radius: 5.6

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 15.08 AU - 22.24 AU

Year: 30206 Days

Day: 23.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 74,572,002 km

• M1: 96,042 km (0.102 R)
• M2: 220,358 km (0.065 R)
• M3: 599,887 km (0.07 R)
• M4: 1,332,917 km (0.102 R)
• M5: 1,390,662 km (0.08 R)
• M6: 1,755,381 km (0.032 R)
• M7: 2,182,633 km (0.1 R)
• M8: 2,425,580 km (0.059 R)
• M9: 2,496,639 km (0.074 R)
• M10: 3,847,508 km (0.053 R)
• M11: 4,183,205 km (0.07 R)
• M12: 5,199,872 km (0.067 R)
• M13: 5,711,796 km (0.028 R)
• M14: 6,094,318 km (0.115 R)
• M15: 6,683,434 km (0.088 R)
• M16: 7,600,769 km (0.047 R)
• M17: 8,074,096 km (0.106 R)
• M18: 9,494,378 km (0.05 R)
• M19: 11,049,000 km (0.056 R)
• M20: 11,167,182 km (0.084 R)
• M21: 11,405,042 km (0.115 R)
• M22: 11,704,687 km (0.076 R)
• M23: 11,825,263 km (0.037 R)
• M24: 11,885,700 km (0.111 R)
• M25: 12,311,606 km (0.091 R)
• M26: 13,053,461 km (0.109 R)
• M27: 13,115,844 km (0.05 R)
• M28: 13,873,258 km (0.091 R)
• M29: 14,386,079 km (0.118 R)
• M30: 14,579,958 km (0.099 R)
• M31: 15,828,053 km (0.106 R)
• M32: 16,162,105 km (0.051 R)
• M33: 16,566,169 km (0.069 R)
• M34: 17,178,323 km (0.064 R)
• M35: 17,315,355 km (0.113 R)
• M36: 18,215,037 km (0.119 R)
• M37: 19,700,244 km (0.078 R)
• M38: 19,987,472 km (0.081 R)
• M39: 20,421,007 km (0.061 R)
• M40: 21,665,960 km (0.111 R)
• M41: 22,185,813 km (0.114 R)
• M42: 22,709,705 km (0.115 R)
• M43: 25,156,079 km (0.045 R)
• M44: 25,702,261 km (0.083 R)
• M45: 25,937,428 km (0.074 R)
• M46: 26,094,805 km (0.103 R)
• M47: 26,885,729 km (0.089 R)
• M48: 27,364,143 km (0.111 R)
• M49: 27,925,734 km (0.089 R)
• M50: 28,897,521 km (0.101 R)
• M51: 29,305,624 km (0.079 R)
• M52: 31,458,487 km (0.056 R)
• M53: 33,576,045 km (0.11 R)
• M54: 33,747,335 km (0.041 R)
• M55: 34,177,130 km (0.087 R)
• M56: 34,781,804 km (0.117 R)
• M57: 36,793,447 km (0.073 R)
• M58: 38,573,063 km (0.061 R)
• M59: 40,653,969 km (0.107 R)
• M60: 42,215,472 km (0.094 R)
• M61: 42,492,976 km (0.103 R)
• M62: 44,358,910 km (0.061 R)
• M63: 44,923,941 km (0.114 R)
• M64: 45,586,062 km (0.03 R)
• M65: 46,251,473 km (0.059 R)
• M66: 46,442,210 km (0.041 R)
• M67: 47,688,211 km (0.082 R)
• M68: 49,042,221 km (0.114 R)
• M69: 50,408,798 km (0.049 R)
• M70: 53,479,144 km (0.084 R)
• M71: 54,885,514 km (0.047 R)
• M72: 56,304,001 km (0.074 R)
• M73: 57,017,732 km (0.11 R)
• M74: 57,631,981 km (0.106 R)
• M75: 57,734,456 km (0.096 R)
• M76: 58,557,244 km (0.088 R)
• M77: 60,422,730 km (0.079 R)
• M78: 60,735,539 km (0.108 R)
• M79: 61,467,521 km (0.105 R)
• M80: 61,887,143 km (0.112 R)
• M81: 66,027,414 km (0.117 R)
• M82: 66,134,825 km (0.084 R)
• M83: 67,103,471 km (0.096 R)
• M84: 67,211,331 km (0.091 R)
• M85: 68,837,011 km (0.045 R)
• M86: 70,146,890 km (0.037 R)
• M87: 70,475,557 km (0.05 R)
• M88: 71,244,640 km (0.108 R)
• M89: 71,795,758 km (0.08 R)
• M90: 74,571,995 km (0.044 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 14,666 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit