🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.47 AU - 0.61 AU

Year: 256 Days

Day: 27.7 Hours

Environment

Temp: -126 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.47 AU - 0.63 AU

Year: 263 Days

Day: 30 Hours

Environment

Temp: -121 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.6 AU - 0.6 AU

Year: 300 Days

Day: 29.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 44.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,444,314 km

• M1: 56,548 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.6

Radius: 14.2

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.61 AU - 0.77 AU

Year: 370 Days

Day: 11.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,444,314 km

• M1: 178,769 km (0.105 R)
• M2: 277,953 km (0.115 R)
• M3: 406,457 km (0.082 R)
• M4: 497,712 km (0.106 R)
• M5: 620,532 km (0.045 R)
• M6: 713,881 km (0.116 R)
• M7: 832,213 km (0.09 R)
• M8: 975,827 km (0.06 R)
• M9: 1,069,625 km (0.103 R)
• M10: 1,192,295 km (0.099 R)
• M11: 1,347,129 km (0.098 R)
• M12: 1,466,957 km (0.11 R)
• M13: 1,605,036 km (0.079 R)
• M14: 1,849,329 km (0.107 R)
• M15: 1,972,149 km (0.063 R)
• M16: 2,105,889 km (0.043 R)
• M17: 2,214,348 km (0.096 R)
• M18: 2,324,901 km (0.1 R)
• M19: 2,568,595 km (0.113 R)
• M20: 2,667,629 km (0.119 R)
• M21: 2,865,098 km (0.106 R)
• M22: 2,977,147 km (0.111 R)
• M23: 3,140,957 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.2

Radius: 12.3

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.07 AU - 1.15 AU

Year: 755 Days

Day: 12.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 65,444,314 km

• M1: 157,227 km (0.055 R)
• M2: 239,805 km (0.115 R)
• M3: 328,816 km (0.09 R)
• M4: 411,095 km (0.028 R)
• M5: 498,610 km (0.099 R)
• M6: 650,152 km (0.111 R)
• M7: 836,402 km (0.028 R)
• M8: 985,252 km (0.115 R)
• M9: 1,137,093 km (0.087 R)
• M10: 1,249,741 km (0.07 R)
• M11: 1,352,365 km (0.099 R)
• M12: 1,603,540 km (0.104 R)
• M13: 1,700,928 km (0.081 R)
• M14: 1,792,482 km (0.055 R)
• M15: 2,053,380 km (0.037 R)
• M16: 2,242,622 km (0.074 R)
• M17: 2,343,750 km (0.072 R)
• M18: 2,576,973 km (0.118 R)
• M19: 2,727,768 km (0.08 R)
• M20: 2,899,955 km (0.048 R)
• M21: 3,150,830 km (0.06 R)
• M22: 3,283,823 km (0.09 R)
• M23: 3,575,090 km (0.058 R)
• M24: 3,654,227 km (0.108 R)
• M25: 4,048,418 km (0.117 R)
• M26: 4,172,584 km (0.116 R)
• M27: 4,308,419 km (0.09 R)
• M28: 4,413,885 km (0.105 R)
• M29: 4,509,777 km (0.092 R)
• M30: 4,606,118 km (0.091 R)
• M31: 4,812,115 km (0.075 R)
• M32: 5,109,964 km (0.034 R)
• M33: 5,278,112 km (0.109 R)
• M34: 5,574,017 km (0.06 R)
• M35: 5,654,650 km (0.09 R)
• M36: 5,770,439 km (0.043 R)
• M37: 5,922,281 km (0.109 R)
• M38: 6,004,559 km (0.046 R)
• M39: 6,277,575 km (0.1 R)
• M40: 6,433,756 km (0.082 R)
• M41: 6,786,807 km (0.101 R)
• M42: 6,971,859 km (0.1 R)
• M43: 7,108,741 km (0.111 R)
• M44: 7,246,521 km (0.056 R)
• M45: 7,334,634 km (0.102 R)
• M46: 7,499,192 km (0.116 R)
• M47: 7,588,352 km (0.119 R)
• M48: 7,832,047 km (0.108 R)
• M49: 8,000,345 km (0.113 R)
• M50: 8,222,348 km (0.114 R)
• M51: 8,725,745 km (0.119 R)
• M52: 8,981,258 km (0.094 R)
• M53: 9,157,484 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.1

Radius: 11

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.94 AU - 3 AU

Year: 2506 Days

Day: 8.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 65,444,314 km

• M1: 138,378 km (0.03 R)
• M2: 211,681 km (0.092 R)
• M3: 296,204 km (0.03 R)
• M4: 367,263 km (0.108 R)
• M5: 993,779 km (0.03 R)
• M6: 1,185,414 km (0.114 R)
• M7: 1,433,896 km (0.106 R)
• M8: 1,581,848 km (0.105 R)
• M9: 1,723,218 km (0.059 R)
• M10: 1,795,474 km (0.116 R)
• M11: 2,069,537 km (0.092 R)
• M12: 2,159,595 km (0.081 R)
• M13: 2,250,999 km (0.12 R)
• M14: 2,437,996 km (0.115 R)
• M15: 2,827,101 km (0.068 R)
• M16: 2,971,014 km (0.09 R)
• M17: 3,073,189 km (0.065 R)
• M18: 3,296,090 km (0.114 R)
• M19: 3,402,005 km (0.044 R)
• M20: 3,586,310 km (0.03 R)
• M21: 3,663,951 km (0.084 R)
• M22: 3,837,036 km (0.06 R)
• M23: 3,980,650 km (0.096 R)
• M24: 4,109,902 km (0.112 R)
• M25: 4,256,957 km (0.101 R)
• M26: 4,372,596 km (0.082 R)
• M27: 5,228,446 km (0.105 R)
• M28: 5,495,328 km (0.082 R)
• M29: 6,154,157 km (0.097 R)
• M30: 6,379,302 km (0.099 R)
• M31: 6,702,882 km (0.099 R)
• M32: 6,973,505 km (0.088 R)
• M33: 7,149,432 km (0.119 R)
• M34: 7,326,705 km (0.111 R)
• M35: 7,445,785 km (0.106 R)
• M36: 7,545,567 km (0.115 R)
• M37: 8,071,254 km (0.091 R)
• M38: 8,235,363 km (0.079 R)
• M39: 8,734,571 km (0.038 R)
• M40: 8,839,738 km (0.095 R)
• M41: 8,924,261 km (0.109 R)
• M42: 9,158,082 km (0.116 R)
• M43: 9,631,709 km (0.089 R)
• M44: 9,827,683 km (0.072 R)
• M45: 10,025,152 km (0.113 R)
• M46: 10,113,265 km (0.113 R)
• M47: 10,223,818 km (0.056 R)
• M48: 10,334,819 km (0.119 R)
• M49: 10,513,140 km (0.083 R)
• M50: 10,670,068 km (0.073 R)
• M51: 10,918,251 km (0.115 R)
• M52: 11,535,641 km (0.088 R)
• M53: 11,813,594 km (0.069 R)
• M54: 12,023,630 km (0.081 R)
• M55: 12,971,781 km (0.054 R)
• M56: 13,188,399 km (0.119 R)
• M57: 13,357,743 km (0.036 R)
• M58: 13,430,598 km (0.107 R)
• M59: 14,613,318 km (0.037 R)
• M60: 15,090,685 km (0.11 R)
• M61: 15,217,095 km (0.072 R)
• M62: 15,445,681 km (0.049 R)
• M63: 16,060,678 km (0.088 R)
• M64: 16,293,452 km (0.11 R)
• M65: 16,553,304 km (0.111 R)
• M66: 17,103,525 km (0.06 R)
• M67: 17,420,672 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476

Radius: 3.6

Gravity: 36.73 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 6.62 AU - 6.98 AU

Year: 11449 Days

Day: 17.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 65,444,314 km

• M1: 46,226 km (0.055 R)
• M2: 121,623 km (0.079 R)
• M3: 166,353 km (0.108 R)
• M4: 217,366 km (0.067 R)
• M5: 286,031 km (0.106 R)
• M6: 388,655 km (0.095 R)
• M7: 502,798 km (0.078 R)
• M8: 579,393 km (0.102 R)
• M9: 979,268 km (0.073 R)
• M10: 1,195,137 km (0.076 R)
• M11: 1,361,341 km (0.083 R)
• M12: 1,855,014 km (0.114 R)
• M13: 1,950,307 km (0.092 R)
• M14: 2,047,247 km (0.116 R)
• M15: 2,170,516 km (0.061 R)
• M16: 2,220,631 km (0.101 R)
• M17: 2,245,763 km (0.094 R)
• M18: 3,501,488 km (0.062 R)
• M19: 3,530,809 km (0.025 R)
• M20: 3,619,371 km (0.047 R)
• M21: 3,828,658 km (0.055 R)
• M22: 4,543,886 km (0.088 R)
• M23: 4,608,063 km (0.066 R)
• M24: 4,966,051 km (0.032 R)
• M25: 5,400,633 km (0.109 R)
• M26: 6,234,491 km (0.114 R)
• M27: 6,413,111 km (0.102 R)
• M28: 7,369,341 km (0.117 R)
• M29: 7,748,721 km (0.113 R)
• M30: 7,902,358 km (0.119 R)
• M31: 8,566,124 km (0.084 R)
• M32: 8,844,675 km (0.08 R)
• M33: 8,884,618 km (0.089 R)
• M34: 10,661,990 km (0.116 R)
• M35: 10,790,046 km (0.066 R)
• M36: 11,350,589 km (0.064 R)
• M37: 11,437,655 km (0.082 R)
• M38: 12,097,830 km (0.073 R)
• M39: 12,231,421 km (0.095 R)
• M40: 12,410,191 km (0.112 R)
• M41: 12,499,800 km (0.106 R)
• M42: 13,133,795 km (0.109 R)
• M43: 13,225,200 km (0.053 R)
• M44: 13,271,126 km (0.109 R)
• M45: 13,454,683 km (0.1 R)
• M46: 13,871,163 km (0.088 R)
• M47: 15,193,459 km (0.105 R)
• M48: 16,506,031 km (0.082 R)
• M49: 16,604,616 km (0.086 R)
• M50: 16,753,017 km (0.111 R)
• M51: 17,803,942 km (0.047 R)
• M52: 18,209,801 km (0.11 R)
• M53: 18,721,426 km (0.102 R)
• M54: 18,979,033 km (0.115 R)
• M55: 19,341,658 km (0.074 R)
• M56: 20,496,255 km (0.12 R)
• M57: 21,135,337 km (0.042 R)
• M58: 21,242,449 km (0.116 R)
• M59: 21,618,837 km (0.084 R)
• M60: 21,726,847 km (0.115 R)
• M61: 21,835,006 km (0.106 R)
• M62: 23,867,592 km (0.077 R)
• M63: 24,708,632 km (0.116 R)
• M64: 25,161,165 km (0.099 R)
• M65: 25,845,127 km (0.078 R)
• M66: 26,189,351 km (0.052 R)
• M67: 26,708,605 km (0.108 R)
• M68: 27,114,764 km (0.038 R)
• M69: 27,933,363 km (0.083 R)
• M70: 28,404,746 km (0.111 R)
• M71: 29,056,993 km (0.115 R)
• M72: 29,954,580 km (0.092 R)
• M73: 30,861,293 km (0.119 R)
• M74: 33,759,751 km (0.071 R)
• M75: 34,135,990 km (0.059 R)
• M76: 34,387,614 km (0.079 R)
• M77: 35,527,400 km (0.114 R)
• M78: 36,294,089 km (0.091 R)
• M79: 37,195,416 km (0.108 R)
• M80: 37,584,071 km (0.115 R)
• M81: 38,299,897 km (0.042 R)
• M82: 38,561,245 km (0.089 R)
• M83: 39,415,000 km (0.099 R)
• M84: 40,075,923 km (0.116 R)
• M85: 40,740,587 km (0.116 R)
• M86: 41,408,840 km (0.066 R)
• M87: 43,095,107 km (0.04 R)
• M88: 43,230,942 km (0.05 R)
• M89: 44,391,672 km (0.108 R)
• M90: 44,734,999 km (0.077 R)
• M91: 44,803,814 km (0.077 R)
• M92: 45,148,189 km (0.107 R)
• M93: 45,355,232 km (0.083 R)
• M94: 46,325,673 km (0.111 R)
• M95: 46,395,236 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 471.2

Radius: 3.6

Gravity: 36.36 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 8.56 AU - 10.66 AU

Year: 19235 Days

Day: 16.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 65,444,314 km

• M1: 100,679 km (0.09 R)
• M2: 130,749 km (0.113 R)
• M3: 202,705 km (0.055 R)
• M4: 243,845 km (0.082 R)
• M5: 491,429 km (0.057 R)
• M6: 568,023 km (0.085 R)
• M7: 797,955 km (0.079 R)
• M8: 888,312 km (0.041 R)
• M9: 934,837 km (0.091 R)
• M10: 1,469,500 km (0.082 R)
• M11: 1,929,513 km (0.113 R)
• M12: 2,797,480 km (0.054 R)
• M13: 2,900,404 km (0.053 R)
• M14: 3,004,673 km (0.116 R)
• M15: 3,145,594 km (0.117 R)
• M16: 4,791,470 km (0.1 R)
• M17: 5,461,070 km (0.028 R)
• M18: 6,428,520 km (0.071 R)
• M19: 6,564,504 km (0.05 R)
• M20: 6,885,541 km (0.056 R)
• M21: 7,590,446 km (0.072 R)
• M22: 8,024,280 km (0.108 R)
• M23: 8,966,448 km (0.073 R)
• M24: 9,373,354 km (0.074 R)
• M25: 9,890,663 km (0.077 R)
• M26: 10,311,033 km (0.084 R)
• M27: 10,576,869 km (0.093 R)
• M28: 10,737,387 km (0.087 R)
• M29: 11,278,183 km (0.067 R)
• M30: 14,525,654 km (0.115 R)
• M31: 14,585,044 km (0.078 R)
• M32: 14,704,124 km (0.066 R)
• M33: 15,728,720 km (0.113 R)
• M34: 15,850,792 km (0.047 R)
• M35: 16,342,071 km (0.102 R)
• M36: 16,963,351 km (0.111 R)
• M37: 17,151,246 km (0.117 R)
• M38: 17,465,851 km (0.08 R)
• M39: 18,808,043 km (0.119 R)
• M40: 20,382,111 km (0.032 R)
• M41: 21,387,110 km (0.118 R)
• M42: 22,202,718 km (0.12 R)
• M43: 22,339,600 km (0.107 R)
• M44: 22,614,261 km (0.083 R)
• M45: 23,934,163 km (0.1 R)
• M46: 24,851,647 km (0.115 R)
• M47: 25,636,886 km (0.1 R)
• M48: 26,212,988 km (0.087 R)
• M49: 26,357,649 km (0.086 R)
• M50: 27,012,140 km (0.104 R)
• M51: 27,378,056 km (0.053 R)
• M52: 28,560,029 km (0.094 R)
• M53: 29,457,317 km (0.117 R)
• M54: 31,432,906 km (0.118 R)
• M55: 34,951,897 km (0.1 R)
• M56: 35,031,483 km (0.109 R)
• M57: 36,879,017 km (0.041 R)
• M58: 37,203,494 km (0.046 R)
• M59: 39,087,829 km (0.084 R)
• M60: 40,667,732 km (0.099 R)
• M61: 41,423,351 km (0.05 R)
• M62: 41,929,740 km (0.107 R)
• M63: 42,183,608 km (0.094 R)
• M64: 42,353,252 km (0.099 R)
• M65: 43,289,884 km (0.11 R)
• M66: 44,491,903 km (0.072 R)
• M67: 44,837,324 km (0.076 R)
• M68: 45,878,974 km (0.054 R)
• M69: 46,315,351 km (0.109 R)
• M70: 47,544,597 km (0.117 R)
• M71: 49,587,057 km (0.085 R)
• M72: 49,676,516 km (0.103 R)
• M73: 50,304,229 km (0.118 R)
• M74: 52,749,705 km (0.117 R)
• M75: 53,023,918 km (0.113 R)
• M76: 54,124,958 km (0.112 R)
• M77: 54,586,019 km (0.088 R)
• M78: 55,048,426 km (0.105 R)
• M79: 55,512,030 km (0.054 R)
• M80: 55,976,980 km (0.101 R)
• M81: 56,163,379 km (0.069 R)
• M82: 56,256,578 km (0.103 R)
• M83: 56,817,122 km (0.111 R)
• M84: 57,191,864 km (0.026 R)
• M85: 57,661,452 km (0.111 R)
• M86: 57,849,646 km (0.064 R)
• M87: 58,132,237 km (0.057 R)
• M88: 58,509,822 km (0.082 R)
• M89: 59,077,845 km (0.084 R)
• M90: 59,552,519 km (0.082 R)
• M91: 61,848,397 km (0.043 R)
• M92: 63,104,122 km (0.054 R)
• M93: 63,492,179 km (0.061 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 17,590 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit