🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.47 AU - 0.74 AU

Year: 206 Days

Day: 40.9 Hours

Environment

Temp: 2 °C

Axial Tilt: 32.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 46,823,359 km

• M1: 131,197 km (0.043 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.7 AU - 1.02 AU

Year: 353 Days

Day: 38.1 Hours

Environment

Temp: -39 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 46,823,359 km

• M1: 42,635 km (0.052 R)
• M2: 487,091 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.88 AU - 1.02 AU

Year: 410 Days

Day: 42.6 Hours

Environment

Temp: -66 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,823,359 km

• M1: 257,308 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.45 AU - 2.11 AU

Year: 1052 Days

Day: 32.4 Hours

Environment

Temp: -106 °C

Axial Tilt: 167 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.68 AU - 1.98 AU

Year: 1097 Days

Day: 41.5 Hours

Environment

Temp: -111 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.9

Radius: 8.9

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 6.06 AU - 9.62 AU

Year: 9723 Days

Day: 12.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 46,823,359 km

• M1: 203,752 km (0.089 R)
• M2: 580,141 km (0.077 R)
• M3: 838,795 km (0.061 R)
• M4: 921,822 km (0.029 R)
• M5: 1,225,506 km (0.093 R)
• M6: 1,458,430 km (0.096 R)
• M7: 1,559,707 km (0.081 R)
• M8: 1,748,201 km (0.113 R)
• M9: 1,944,174 km (0.099 R)
• M10: 2,101,551 km (0.118 R)
• M11: 2,623,498 km (0.06 R)
• M12: 2,873,925 km (0.089 R)
• M13: 2,950,519 km (0.05 R)
• M14: 3,397,667 km (0.108 R)
• M15: 3,726,333 km (0.098 R)
• M16: 3,810,108 km (0.109 R)
• M17: 4,093,895 km (0.112 R)
• M18: 4,592,056 km (0.111 R)
• M19: 5,047,582 km (0.103 R)
• M20: 5,296,363 km (0.087 R)
• M21: 5,903,581 km (0.056 R)
• M22: 6,265,308 km (0.11 R)
• M23: 6,770,052 km (0.111 R)
• M24: 7,010,156 km (0.084 R)
• M25: 7,148,534 km (0.117 R)
• M26: 7,287,959 km (0.109 R)
• M27: 7,463,438 km (0.088 R)
• M28: 7,854,337 km (0.071 R)
• M29: 8,325,122 km (0.105 R)
• M30: 8,767,782 km (0.044 R)
• M31: 8,879,531 km (0.048 R)
• M32: 9,255,919 km (0.113 R)
• M33: 9,369,763 km (0.052 R)
• M34: 9,484,206 km (0.102 R)
• M35: 10,180,285 km (0.026 R)
• M36: 10,494,889 km (0.077 R)
• M37: 11,013,096 km (0.049 R)
• M38: 11,093,580 km (0.085 R)
• M39: 11,539,531 km (0.102 R)
• M40: 11,826,460 km (0.07 R)
• M41: 12,032,905 km (0.116 R)
• M42: 12,997,512 km (0.103 R)
• M43: 13,338,894 km (0.059 R)
• M44: 14,161,533 km (0.104 R)
• M45: 14,336,712 km (0.056 R)
• M46: 14,512,789 km (0.087 R)
• M47: 15,223,827 km (0.094 R)
• M48: 15,946,385 km (0.118 R)
• M49: 16,911,441 km (0.088 R)
• M50: 17,097,541 km (0.12 R)
• M51: 17,237,415 km (0.074 R)
• M52: 18,275,175 km (0.106 R)
• M53: 18,897,951 km (0.108 R)
• M54: 19,722,834 km (0.107 R)
• M55: 22,420,083 km (0.053 R)
• M56: 22,726,759 km (0.09 R)
• M57: 23,138,003 km (0.107 R)
• M58: 23,499,731 km (0.12 R)
• M59: 24,807,217 km (0.072 R)
• M60: 25,496,414 km (0.117 R)
• M61: 26,299,455 km (0.108 R)
• M62: 26,677,040 km (0.08 R)
• M63: 27,437,596 km (0.042 R)
• M64: 27,601,555 km (0.093 R)
• M65: 28,040,176 km (0.091 R)
• M66: 28,205,332 km (0.08 R)
• M67: 28,924,449 km (0.045 R)
• M68: 28,980,100 km (0.087 R)
• M69: 29,146,901 km (0.082 R)
• M70: 29,370,101 km (0.116 R)
• M71: 29,593,600 km (0.069 R)
• M72: 30,155,191 km (0.093 R)
• M73: 30,947,312 km (0.067 R)
• M74: 31,403,136 km (0.093 R)
• M75: 31,517,279 km (0.093 R)
• M76: 32,321,069 km (0.111 R)
• M77: 32,378,814 km (0.049 R)
• M78: 32,552,048 km (0.088 R)
• M79: 32,609,793 km (0.111 R)
• M80: 34,536,763 km (0.073 R)
• M81: 35,662,786 km (0.116 R)
• M82: 35,961,084 km (0.102 R)
• M83: 36,921,353 km (0.095 R)
• M84: 37,223,241 km (0.056 R)
• M85: 38,011,772 km (0.117 R)
• M86: 38,255,467 km (0.119 R)
• M87: 39,112,662 km (0.093 R)
• M88: 39,297,117 km (0.036 R)
• M89: 39,420,236 km (0.113 R)
• M90: 39,976,141 km (0.114 R)
• M91: 40,534,590 km (0.067 R)
• M92: 40,783,521 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.3

Radius: 12.6

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 7.09 AU - 11.13 AU

Year: 12179 Days

Day: 8.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 46,823,359 km

• M1: 157,975 km (0.069 R)
• M2: 538,253 km (0.119 R)
• M3: 1,107,024 km (0.116 R)
• M4: 1,235,978 km (0.099 R)
• M5: 1,530,386 km (0.052 R)
• M6: 1,913,506 km (0.106 R)
• M7: 2,303,059 km (0.039 R)
• M8: 2,593,279 km (0.032 R)
• M9: 2,947,078 km (0.082 R)
• M10: 3,757,151 km (0.102 R)
• M11: 3,927,243 km (0.119 R)
• M12: 4,070,857 km (0.111 R)
• M13: 4,304,529 km (0.117 R)
• M14: 4,393,390 km (0.086 R)
• M15: 4,512,620 km (0.1 R)
• M16: 5,032,024 km (0.097 R)
• M17: 5,442,071 km (0.065 R)
• M18: 6,027,897 km (0.079 R)
• M19: 6,633,768 km (0.074 R)
• M20: 7,223,932 km (0.117 R)
• M21: 7,543,323 km (0.097 R)
• M22: 7,867,352 km (0.046 R)
• M23: 8,049,263 km (0.062 R)
• M24: 9,018,059 km (0.105 R)
• M25: 10,300,412 km (0.033 R)
• M26: 10,983,326 km (0.068 R)
• M27: 11,186,929 km (0.068 R)
• M28: 11,474,157 km (0.05 R)
• M29: 12,055,793 km (0.097 R)
• M30: 12,775,209 km (0.114 R)
• M31: 13,682,969 km (0.067 R)
• M32: 13,902,280 km (0.05 R)
• M33: 14,566,943 km (0.075 R)
• M34: 14,745,862 km (0.087 R)
• M35: 14,835,621 km (0.026 R)
• M36: 14,970,708 km (0.082 R)
• M37: 15,423,690 km (0.074 R)
• M38: 15,697,604 km (0.086 R)
• M39: 16,019,389 km (0.119 R)
• M40: 16,809,714 km (0.12 R)
• M41: 17,947,107 km (0.119 R)
• M42: 18,139,041 km (0.044 R)
• M43: 18,379,894 km (0.031 R)
• M44: 18,621,943 km (0.078 R)
• M45: 18,767,651 km (0.108 R)
• M46: 19,452,660 km (0.11 R)
• M47: 19,897,414 km (0.102 R)
• M48: 20,395,426 km (0.106 R)
• M49: 20,495,656 km (0.062 R)
• M50: 21,150,297 km (0.119 R)
• M51: 21,353,151 km (0.085 R)
• M52: 21,811,968 km (0.065 R)
• M53: 22,325,388 km (0.112 R)
• M54: 22,739,176 km (0.095 R)
• M55: 23,784,565 km (0.096 R)
• M56: 24,260,137 km (0.068 R)
• M57: 25,006,032 km (0.046 R)
• M58: 25,166,850 km (0.045 R)
• M59: 25,543,537 km (0.074 R)
• M60: 25,867,865 km (0.06 R)
• M61: 26,629,917 km (0.115 R)
• M62: 27,344,097 km (0.099 R)
• M63: 27,454,650 km (0.101 R)
• M64: 27,953,409 km (0.051 R)
• M65: 28,064,710 km (0.069 R)
• M66: 28,343,411 km (0.05 R)
• M67: 29,978,665 km (0.096 R)
• M68: 30,549,531 km (0.084 R)
• M69: 30,778,864 km (0.11 R)
• M70: 31,123,987 km (0.105 R)
• M71: 31,934,358 km (0.108 R)
• M72: 33,931,191 km (0.081 R)
• M73: 34,049,822 km (0.057 R)
• M74: 34,765,049 km (0.111 R)
• M75: 35,786,803 km (0.075 R)
• M76: 36,149,727 km (0.086 R)
• M77: 37,001,388 km (0.108 R)
• M78: 37,368,351 km (0.104 R)
• M79: 37,736,661 km (0.109 R)
• M80: 38,229,437 km (0.112 R)
• M81: 39,034,872 km (0.047 R)
• M82: 40,662,496 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.8

Radius: 3.3

Gravity: 13.57 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 12.19 AU - 13.83 AU

Year: 20785 Days

Day: 21.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 46,823,359 km

• M1: 48,769 km (0.049 R)
• M2: 94,995 km (0.096 R)
• M3: 204,201 km (0.109 R)
• M4: 225,893 km (0.083 R)
• M5: 272,119 km (0.084 R)
• M6: 308,770 km (0.065 R)
• M7: 373,995 km (0.086 R)
• M8: 564,134 km (0.11 R)
• M9: 816,356 km (0.075 R)
• M10: 852,409 km (0.038 R)
• M11: 888,911 km (0.084 R)
• M12: 1,346,530 km (0.113 R)
• M13: 1,587,533 km (0.12 R)
• M14: 1,655,600 km (0.118 R)
• M15: 1,724,564 km (0.107 R)
• M16: 1,841,699 km (0.099 R)
• M17: 2,133,415 km (0.083 R)
• M18: 2,570,839 km (0.098 R)
• M19: 2,650,874 km (0.074 R)
• M20: 2,704,730 km (0.107 R)
• M21: 3,148,138 km (0.12 R)
• M22: 3,205,134 km (0.032 R)
• M23: 3,436,562 km (0.079 R)
• M24: 3,824,170 km (0.078 R)
• M25: 3,946,093 km (0.116 R)
• M26: 4,007,577 km (0.055 R)
• M27: 4,100,478 km (0.034 R)
• M28: 4,575,301 km (0.081 R)
• M29: 4,607,614 km (0.114 R)
• M30: 4,802,840 km (0.111 R)
• M31: 5,438,631 km (0.104 R)
• M32: 5,888,771 km (0.113 R)
• M33: 6,029,692 km (0.086 R)
• M34: 6,861,306 km (0.077 R)
• M35: 8,115,684 km (0.062 R)
• M36: 8,509,576 km (0.047 R)
• M37: 9,479,867 km (0.118 R)
• M38: 9,603,585 km (0.092 R)
• M39: 9,936,291 km (0.084 R)
• M40: 10,442,231 km (0.105 R)
• M41: 10,870,230 km (0.073 R)
• M42: 12,098,728 km (0.075 R)
• M43: 12,188,187 km (0.099 R)
• M44: 12,548,120 km (0.077 R)
• M45: 13,094,451 km (0.11 R)
• M46: 13,140,378 km (0.079 R)
• M47: 14,779,522 km (0.115 R)
• M48: 15,259,581 km (0.081 R)
• M49: 15,356,221 km (0.06 R)
• M50: 15,842,415 km (0.086 R)
• M51: 16,432,429 km (0.105 R)
• M52: 17,431,742 km (0.119 R)
• M53: 17,938,729 km (0.051 R)
• M54: 18,194,093 km (0.073 R)
• M55: 19,698,449 km (0.048 R)
• M56: 20,173,422 km (0.078 R)
• M57: 20,226,380 km (0.114 R)
• M58: 20,279,487 km (0.052 R)
• M59: 20,598,729 km (0.052 R)
• M60: 22,110,416 km (0.108 R)
• M61: 23,156,404 km (0.04 R)
• M62: 25,353,398 km (0.091 R)
• M63: 26,389,663 km (0.084 R)
• M64: 26,738,226 km (0.112 R)
• M65: 26,854,613 km (0.094 R)
• M66: 27,088,135 km (0.074 R)
• M67: 27,263,763 km (0.046 R)
• M68: 27,322,256 km (0.09 R)
• M69: 28,265,770 km (0.113 R)
• M70: 28,503,182 km (0.082 R)
• M71: 29,761,000 km (0.08 R)
• M72: 30,244,950 km (0.077 R)
• M73: 30,609,520 km (0.095 R)
• M74: 31,036,771 km (0.085 R)
• M75: 31,097,957 km (0.119 R)
• M76: 32,330,344 km (0.114 R)
• M77: 33,202,350 km (0.051 R)
• M78: 35,288,492 km (0.057 R)
• M79: 36,637,865 km (0.032 R)
• M80: 38,331,762 km (0.1 R)
• M81: 39,056,114 km (0.088 R)
• M82: 40,719,044 km (0.077 R)
• M83: 41,930,488 km (0.103 R)
• M84: 42,608,765 km (0.071 R)
• M85: 42,744,749 km (0.088 R)
• M86: 43,153,899 km (0.069 R)
• M87: 43,358,848 km (0.064 R)
• M88: 44,044,605 km (0.058 R)
• M89: 44,664,987 km (0.097 R)
• M90: 46,753,224 km (0.052 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 17,929 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit