🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.4 AU - 0.66 AU

Year: 163 Days

Day: 20.4 Hours

Environment

Temp: 123 °C

Axial Tilt: 44.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.45 AU - 0.61 AU

Year: 163 Days

Day: 47.9 Hours

Environment

Temp: 143 °C

Axial Tilt: 8.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 49,113,359 km

• M1: 40,541 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.66 AU - 1.02 AU

Year: 325 Days

Day: 36.1 Hours

Environment

Temp: -10 °C

Axial Tilt: 34.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 49,113,359 km

• M1: 352,303 km (0.093 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.71 AU - 1.17 AU

Year: 384 Days

Day: 39.5 Hours

Environment

Temp: -44 °C

Axial Tilt: 43.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.21 AU - 1.51 AU

Year: 669 Days

Day: 17.3 Hours

Environment

Temp: -74 °C

Axial Tilt: 19.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,113,359 km

• M1: 168,148 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.8

Radius: 13.5

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.72 AU - 4.2 AU

Year: 3324 Days

Day: 7.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 49,113,359 km

• M1: 180,265 km (0.072 R)
• M2: 267,032 km (0.052 R)
• M3: 355,893 km (0.098 R)
• M4: 461,809 km (0.087 R)
• M5: 574,905 km (0.042 R)
• M6: 667,356 km (0.069 R)
• M7: 766,091 km (0.078 R)
• M8: 897,438 km (0.104 R)
• M9: 1,105,079 km (0.09 R)
• M10: 1,266,795 km (0.108 R)
• M11: 1,361,341 km (0.105 R)
• M12: 1,458,579 km (0.118 R)
• M13: 1,614,759 km (0.117 R)
• M14: 1,859,801 km (0.044 R)
• M15: 2,079,710 km (0.047 R)
• M16: 2,244,118 km (0.074 R)
• M17: 2,572,635 km (0.064 R)
• M18: 2,791,047 km (0.11 R)
• M19: 2,973,258 km (0.065 R)
• M20: 3,174,018 km (0.092 R)
• M21: 3,468,576 km (0.09 R)
• M22: 3,619,221 km (0.116 R)
• M23: 3,989,925 km (0.109 R)
• M24: 4,405,508 km (0.088 R)
• M25: 4,519,800 km (0.102 R)
• M26: 4,651,746 km (0.102 R)
• M27: 5,243,854 km (0.102 R)
• M28: 5,330,322 km (0.098 R)
• M29: 5,610,668 km (0.052 R)
• M30: 6,240,774 km (0.111 R)
• M31: 6,351,028 km (0.118 R)
• M32: 7,199,098 km (0.107 R)
• M33: 7,372,931 km (0.097 R)
• M34: 7,489,767 km (0.084 R)
• M35: 8,162,957 km (0.091 R)
• M36: 8,324,224 km (0.053 R)
• M37: 8,568,068 km (0.111 R)
• M38: 8,979,762 km (0.108 R)
• M39: 9,588,326 km (0.092 R)
• M40: 9,715,933 km (0.095 R)
• M41: 9,843,989 km (0.086 R)
• M42: 9,929,858 km (0.076 R)
• M43: 10,123,737 km (0.102 R)
• M44: 10,493,243 km (0.062 R)
• M45: 10,911,669 km (0.075 R)
• M46: 11,223,580 km (0.111 R)
• M47: 12,016,000 km (0.051 R)
• M48: 12,199,706 km (0.102 R)
• M49: 13,487,744 km (0.107 R)
• M50: 13,654,845 km (0.103 R)
• M51: 13,942,821 km (0.109 R)
• M52: 14,063,397 km (0.11 R)
• M53: 14,208,507 km (0.075 R)
• M54: 15,139,454 km (0.102 R)
• M55: 15,587,350 km (0.117 R)
• M56: 15,787,811 km (0.093 R)
• M57: 16,014,452 km (0.114 R)
• M58: 16,140,713 km (0.11 R)
• M59: 16,242,140 km (0.039 R)
• M60: 16,854,444 km (0.071 R)
• M61: 17,034,410 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.1

Radius: 11.8

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.96 AU - 8.66 AU

Year: 8336 Days

Day: 13.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 162.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 49,113,359 km

• M1: 217,515 km (0.084 R)
• M2: 399,277 km (0.09 R)
• M3: 685,308 km (0.057 R)
• M4: 845,677 km (0.113 R)
• M5: 1,052,122 km (0.048 R)
• M6: 1,384,379 km (0.106 R)
• M7: 1,630,916 km (0.103 R)
• M8: 1,871,320 km (0.118 R)
• M9: 1,954,047 km (0.045 R)
• M10: 3,365,354 km (0.12 R)
• M11: 3,543,974 km (0.057 R)
• M12: 3,831,052 km (0.104 R)
• M13: 3,964,044 km (0.086 R)
• M14: 4,427,798 km (0.118 R)
• M15: 4,708,743 km (0.1 R)
• M16: 4,794,163 km (0.068 R)
• M17: 4,995,522 km (0.111 R)
• M18: 5,496,525 km (0.097 R)
• M19: 6,199,635 km (0.111 R)
• M20: 6,577,968 km (0.099 R)
• M21: 6,834,379 km (0.06 R)
• M22: 6,996,244 km (0.067 R)
• M23: 7,159,455 km (0.108 R)
• M24: 7,556,338 km (0.119 R)
• M25: 7,690,228 km (0.114 R)
• M26: 11,171,371 km (0.082 R)
• M27: 11,825,412 km (0.095 R)
• M28: 12,730,031 km (0.104 R)
• M29: 12,849,709 km (0.098 R)
• M30: 13,534,867 km (0.091 R)
• M31: 13,616,249 km (0.038 R)
• M32: 14,480,625 km (0.1 R)
• M33: 14,563,802 km (0.067 R)
• M34: 15,960,597 km (0.102 R)
• M35: 16,609,552 km (0.107 R)
• M36: 17,002,995 km (0.089 R)
• M37: 17,799,304 km (0.094 R)
• M38: 18,472,195 km (0.071 R)
• M39: 21,151,493 km (0.095 R)
• M40: 21,435,430 km (0.095 R)
• M41: 21,816,157 km (0.071 R)
• M42: 23,263,815 km (0.095 R)
• M43: 23,459,190 km (0.03 R)
• M44: 23,851,436 km (0.117 R)
• M45: 25,392,294 km (0.094 R)
• M46: 25,643,768 km (0.081 R)
• M47: 25,845,575 km (0.092 R)
• M48: 26,301,699 km (0.101 R)
• M49: 26,505,152 km (0.1 R)
• M50: 26,607,178 km (0.118 R)
• M51: 27,067,640 km (0.102 R)
• M52: 27,221,726 km (0.092 R)
• M53: 27,737,390 km (0.084 R)
• M54: 28,308,405 km (0.101 R)
• M55: 28,778,591 km (0.092 R)
• M56: 28,883,310 km (0.112 R)
• M57: 29,198,512 km (0.061 R)
• M58: 29,620,678 km (0.113 R)
• M59: 29,832,359 km (0.061 R)
• M60: 31,167,520 km (0.057 R)
• M61: 31,544,805 km (0.06 R)
• M62: 31,977,891 km (0.059 R)
• M63: 32,358,468 km (0.099 R)
• M64: 32,521,979 km (0.05 R)
• M65: 33,619,429 km (0.088 R)
• M66: 33,840,385 km (0.044 R)
• M67: 33,950,938 km (0.041 R)
• M68: 34,506,095 km (0.118 R)
• M69: 35,568,988 km (0.083 R)
• M70: 36,585,805 km (0.11 R)
• M71: 36,756,197 km (0.114 R)
• M72: 37,211,872 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.2

Radius: 5

Gravity: 34.89 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 8.86 AU - 13.84 AU

Year: 16127 Days

Day: 19.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 49,113,359 km

• M1: 68,516 km (0.12 R)
• M2: 103,971 km (0.111 R)
• M3: 220,358 km (0.095 R)
• M4: 361,428 km (0.088 R)
• M5: 490,083 km (0.047 R)
• M6: 766,390 km (0.101 R)
• M7: 836,402 km (0.12 R)
• M8: 884,273 km (0.095 R)
• M9: 957,875 km (0.11 R)
• M10: 1,164,171 km (0.089 R)
• M11: 1,557,763 km (0.115 R)
• M12: 1,647,222 km (0.04 R)
• M13: 1,893,909 km (0.117 R)
• M14: 2,809,747 km (0.071 R)
• M15: 2,846,099 km (0.105 R)
• M16: 3,524,526 km (0.107 R)
• M17: 4,545,382 km (0.051 R)
• M18: 4,716,671 km (0.072 R)
• M19: 4,803,139 km (0.115 R)
• M20: 4,933,738 km (0.106 R)
• M21: 4,977,570 km (0.08 R)
• M22: 5,559,057 km (0.058 R)
• M23: 5,974,191 km (0.109 R)
• M24: 7,680,803 km (0.071 R)
• M25: 8,455,122 km (0.083 R)
• M26: 8,665,905 km (0.054 R)
• M27: 10,077,062 km (0.119 R)
• M28: 11,037,630 km (0.087 R)
• M29: 12,086,162 km (0.089 R)
• M30: 12,863,023 km (0.079 R)
• M31: 14,027,344 km (0.081 R)
• M32: 14,276,723 km (0.111 R)
• M33: 14,464,618 km (0.096 R)
• M34: 14,843,101 km (0.044 R)
• M35: 15,033,539 km (0.114 R)
• M36: 16,651,889 km (0.052 R)
• M37: 16,783,684 km (0.117 R)
• M38: 17,985,703 km (0.115 R)
• M39: 18,053,321 km (0.117 R)
• M40: 19,561,567 km (0.082 R)
• M41: 21,038,697 km (0.117 R)
• M42: 22,115,502 km (0.105 R)
• M43: 23,578,868 km (0.1 R)
• M44: 24,471,968 km (0.034 R)
• M45: 24,772,061 km (0.076 R)
• M46: 25,603,676 km (0.095 R)
• M47: 25,831,962 km (0.11 R)
• M48: 27,527,355 km (0.077 R)
• M49: 29,576,845 km (0.086 R)
• M50: 30,781,557 km (0.115 R)
• M51: 31,920,146 km (0.049 R)
• M52: 32,083,956 km (0.093 R)
• M53: 33,737,312 km (0.109 R)
• M54: 34,406,313 km (0.107 R)
• M55: 34,826,683 km (0.111 R)
• M56: 35,842,453 km (0.12 R)
• M57: 36,183,237 km (0.07 R)
• M58: 36,353,928 km (0.066 R)
• M59: 38,250,231 km (0.056 R)
• M60: 38,947,656 km (0.119 R)
• M61: 39,122,686 km (0.117 R)
• M62: 39,561,456 km (0.069 R)
• M63: 39,825,496 km (0.114 R)
• M64: 40,621,058 km (0.114 R)
• M65: 41,332,545 km (0.12 R)
• M66: 42,948,501 km (0.08 R)
• M67: 45,411,032 km (0.078 R)
• M68: 47,918,891 km (0.039 R)
• M69: 49,520,785 km (0.096 R)
• M70: 50,948,846 km (0.097 R)
• M71: 53,942,599 km (0.1 R)
• M72: 54,626,560 km (0.101 R)
• M73: 55,904,126 km (0.083 R)
• M74: 56,002,860 km (0.112 R)
• M75: 58,088,704 km (0.103 R)
• M76: 58,689,339 km (0.097 R)
• M77: 59,795,765 km (0.069 R)
• M78: 61,213,953 km (0.062 R)
• M79: 61,315,679 km (0.114 R)
• M80: 61,519,282 km (0.101 R)
• M81: 61,825,210 km (0.061 R)
• M82: 62,643,211 km (0.097 R)
• M83: 63,053,558 km (0.098 R)
• M84: 63,876,944 km (0.057 R)
• M85: 64,496,878 km (0.079 R)
• M86: 64,600,400 km (0.08 R)
• M87: 65,014,935 km (0.026 R)
• M88: 65,222,577 km (0.12 R)
• M89: 66,264,078 km (0.099 R)
• M90: 66,368,497 km (0.03 R)
• M91: 66,682,204 km (0.118 R)
• M92: 67,941,818 km (0.09 R)
• M93: 69,845,899 km (0.075 R)
• M94: 70,377,869 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126.5

Radius: 4.8

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 14.06 AU - 15.64 AU

Year: 24135 Days

Day: 17.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 49,113,359 km

• M1: 149,747 km (0.096 R)
• M2: 188,194 km (0.072 R)
• M3: 242,049 km (0.106 R)
• M4: 512,373 km (0.094 R)
• M5: 709,692 km (0.078 R)
• M6: 798,703 km (0.085 R)
• M7: 929,452 km (0.119 R)
• M8: 968,197 km (0.106 R)
• M9: 1,450,950 km (0.118 R)
• M10: 1,634,207 km (0.03 R)
• M11: 1,800,710 km (0.061 R)
• M12: 3,199,150 km (0.112 R)
• M13: 3,258,242 km (0.114 R)
• M14: 3,407,391 km (0.051 R)
• M15: 4,251,272 km (0.109 R)
• M16: 4,316,198 km (0.085 R)
• M17: 4,480,157 km (0.089 R)
• M18: 5,018,261 km (0.074 R)
• M19: 5,330,023 km (0.094 R)
• M20: 5,505,800 km (0.057 R)
• M21: 5,935,744 km (0.102 R)
• M22: 6,751,502 km (0.086 R)
• M23: 7,056,681 km (0.044 R)
• M24: 8,079,781 km (0.051 R)
• M25: 8,200,806 km (0.09 R)
• M26: 9,913,701 km (0.102 R)
• M27: 10,086,636 km (0.057 R)
• M28: 10,567,145 km (0.118 R)
• M29: 11,459,795 km (0.091 R)
• M30: 11,732,363 km (0.104 R)
• M31: 13,079,192 km (0.085 R)
• M32: 13,746,848 km (0.099 R)
• M33: 15,313,885 km (0.114 R)
• M34: 15,865,602 km (0.118 R)
• M35: 16,988,185 km (0.088 R)
• M36: 17,820,697 km (0.105 R)
• M37: 18,294,772 km (0.071 R)
• M38: 19,795,987 km (0.11 R)
• M39: 21,003,092 km (0.041 R)
• M40: 21,280,746 km (0.053 R)
• M41: 21,559,596 km (0.103 R)
• M42: 21,727,445 km (0.097 R)
• M43: 21,951,992 km (0.083 R)
• M44: 22,233,684 km (0.047 R)
• M45: 22,516,724 km (0.046 R)
• M46: 22,630,119 km (0.085 R)
• M47: 23,257,831 km (0.059 R)
• M48: 23,949,273 km (0.098 R)
• M49: 24,065,061 km (0.064 R)
• M50: 25,351,902 km (0.067 R)
• M51: 25,647,508 km (0.052 R)
• M52: 25,825,380 km (0.035 R)
• M53: 28,788,614 km (0.053 R)
• M54: 30,153,545 km (0.106 R)
• M55: 30,341,291 km (0.103 R)
• M56: 30,654,997 km (0.115 R)
• M57: 31,412,561 km (0.084 R)
• M58: 32,624,453 km (0.08 R)
• M59: 33,656,828 km (0.075 R)
• M60: 36,217,944 km (0.116 R)
• M61: 37,152,482 km (0.118 R)
• M62: 38,433,339 km (0.118 R)
• M63: 38,976,977 km (0.075 R)
• M64: 39,591,675 km (0.059 R)
• M65: 39,865,888 km (0.078 R)
• M66: 40,347,294 km (0.057 R)
• M67: 42,502,101 km (0.102 R)
• M68: 43,699,632 km (0.071 R)
• M69: 44,124,939 km (0.115 R)
• M70: 44,551,592 km (0.093 R)
• M71: 44,908,234 km (0.088 R)
• M72: 47,722,020 km (0.056 R)
• M73: 47,867,878 km (0.08 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 12,056 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit