🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.96 AU - 1.1 AU

Year: 388 Days

Day: 37.1 Hours

Environment

Temp: 32 °C

Axial Tilt: 38.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.96 AU - 1.28 AU

Year: 440 Days

Day: 26 Hours

Environment

Temp: 4 °C

Axial Tilt: 21 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.96 AU - 1.52 AU

Year: 512 Days

Day: 12.8 Hours

Environment

Temp: -7 °C

Axial Tilt: 6.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.09 AU - 1.41 AU

Year: 518 Days

Day: 12.8 Hours

Environment

Temp: 0 °C

Axial Tilt: 32 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.69 AU - 2.03 AU

Year: 941 Days

Day: 15.4 Hours

Environment

Temp: -65 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 65,119,314 km

• M1: 77,492 km (0.098 R)
• M2: 322,084 km (0.099 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.99 AU - 3.61 AU

Year: 2223 Days

Day: 38.7 Hours

Environment

Temp: -113 °C

Axial Tilt: 18.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391

Radius: 10.2

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.27 AU - 7.03 AU

Year: 4981 Days

Day: 8.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 65,119,314 km

• M1: 127,607 km (0.12 R)
• M2: 275,858 km (0.106 R)
• M3: 340,784 km (0.086 R)
• M4: 617,091 km (0.108 R)
• M5: 721,211 km (0.087 R)
• M6: 786,885 km (0.088 R)
• M7: 877,840 km (0.094 R)
• M8: 972,536 km (0.086 R)
• M9: 1,134,401 km (0.102 R)
• M10: 1,456,934 km (0.1 R)
• M11: 1,643,632 km (0.101 R)
• M12: 1,838,408 km (0.087 R)
• M13: 2,009,249 km (0.077 R)
• M14: 2,169,169 km (0.09 R)
• M15: 2,350,033 km (0.119 R)
• M16: 2,433,957 km (0.103 R)
• M17: 2,518,929 km (0.076 R)
• M18: 2,604,798 km (0.08 R)
• M19: 2,832,935 km (0.08 R)
• M20: 3,575,389 km (0.101 R)
• M21: 3,849,153 km (0.096 R)
• M22: 4,048,866 km (0.093 R)
• M23: 4,231,525 km (0.093 R)
• M24: 4,521,296 km (0.067 R)
• M25: 4,796,108 km (0.076 R)
• M26: 5,011,229 km (0.105 R)
• M27: 5,119,987 km (0.076 R)
• M28: 5,185,661 km (0.062 R)
• M29: 5,317,905 km (0.111 R)
• M30: 5,926,469 km (0.116 R)
• M31: 5,995,434 km (0.105 R)
• M32: 6,274,135 km (0.118 R)
• M33: 6,438,692 km (0.061 R)
• M34: 6,724,125 km (0.088 R)
• M35: 6,965,127 km (0.049 R)
• M36: 7,184,587 km (0.105 R)
• M37: 7,282,724 km (0.095 R)
• M38: 7,555,291 km (0.104 R)
• M39: 8,238,355 km (0.05 R)
• M40: 8,341,278 km (0.102 R)
• M41: 8,522,441 km (0.091 R)
• M42: 9,206,403 km (0.091 R)
• M43: 10,293,231 km (0.094 R)
• M44: 10,851,680 km (0.114 R)
• M45: 11,021,174 km (0.117 R)
• M46: 11,219,990 km (0.072 R)
• M47: 11,448,725 km (0.05 R)
• M48: 11,650,084 km (0.085 R)
• M49: 12,144,206 km (0.062 R)
• M50: 12,320,133 km (0.117 R)
• M51: 12,526,578 km (0.055 R)
• M52: 12,615,439 km (0.08 R)
• M53: 13,273,071 km (0.092 R)
• M54: 13,667,112 km (0.1 R)
• M55: 14,404,330 km (0.113 R)
• M56: 14,840,408 km (0.057 R)
• M57: 15,249,259 km (0.1 R)
• M58: 15,534,542 km (0.1 R)
• M59: 16,465,639 km (0.12 R)
• M60: 17,118,185 km (0.081 R)
• M61: 17,712,837 km (0.104 R)
• M62: 18,347,880 km (0.111 R)
• M63: 18,651,264 km (0.048 R)
• M64: 19,024,361 km (0.081 R)
• M65: 20,227,726 km (0.109 R)
• M66: 20,436,565 km (0.051 R)
• M67: 20,541,134 km (0.117 R)
• M68: 20,646,002 km (0.102 R)
• M69: 21,597,594 km (0.09 R)
• M70: 22,132,407 km (0.096 R)
• M71: 22,527,345 km (0.053 R)
• M72: 22,924,677 km (0.119 R)
• M73: 23,069,787 km (0.049 R)
• M74: 24,093,635 km (0.06 R)
• M75: 24,167,386 km (0.04 R)
• M76: 24,983,144 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.9

Radius: 6.3

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 9.98 AU - 15.38 AU

Year: 16745 Days

Day: 16.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 65,119,314 km

• M1: 94,695 km (0.096 R)
• M2: 233,672 km (0.09 R)
• M3: 348,114 km (0.088 R)
• M4: 469,887 km (0.119 R)
• M5: 812,017 km (0.057 R)
• M6: 870,660 km (0.108 R)
• M7: 1,055,563 km (0.079 R)
• M8: 1,103,733 km (0.096 R)
• M9: 1,169,107 km (0.092 R)
• M10: 1,589,029 km (0.083 R)
• M11: 1,932,356 km (0.119 R)
• M12: 2,112,771 km (0.079 R)
• M13: 2,215,245 km (0.113 R)
• M14: 2,489,757 km (0.088 R)
• M15: 2,532,842 km (0.116 R)
• M16: 3,281,280 km (0.067 R)
• M17: 3,352,488 km (0.11 R)
• M18: 3,790,810 km (0.073 R)
• M19: 4,118,729 km (0.105 R)
• M20: 4,325,024 km (0.087 R)
• M21: 6,064,099 km (0.083 R)
• M22: 6,298,818 km (0.119 R)
• M23: 6,417,300 km (0.06 R)
• M24: 6,506,610 km (0.09 R)
• M25: 6,990,260 km (0.034 R)
• M26: 7,051,445 km (0.087 R)
• M27: 7,863,911 km (0.049 R)
• M28: 9,070,568 km (0.078 R)
• M29: 9,575,909 km (0.091 R)
• M30: 9,986,855 km (0.05 R)
• M31: 10,932,463 km (0.081 R)
• M32: 11,651,131 km (0.077 R)
• M33: 13,058,249 km (0.107 R)
• M34: 13,323,186 km (0.113 R)
• M35: 13,513,624 km (0.086 R)
• M36: 14,950,213 km (0.12 R)
• M37: 15,227,567 km (0.12 R)
• M38: 16,598,033 km (0.063 R)
• M39: 16,639,023 km (0.083 R)
• M40: 16,680,013 km (0.111 R)
• M41: 16,926,251 km (0.099 R)
• M42: 17,797,958 km (0.12 R)
• M43: 18,260,365 km (0.064 R)
• M44: 18,726,811 km (0.082 R)
• M45: 18,940,138 km (0.055 R)
• M46: 19,111,278 km (0.077 R)
• M47: 19,412,119 km (0.119 R)
• M48: 19,888,139 km (0.113 R)
• M49: 19,931,523 km (0.102 R)
• M50: 20,807,269 km (0.106 R)
• M51: 21,651,001 km (0.117 R)
• M52: 21,785,190 km (0.091 R)
• M53: 21,919,678 km (0.116 R)
• M54: 22,596,310 km (0.074 R)
• M55: 23,325,599 km (0.107 R)
• M56: 24,248,020 km (0.088 R)
• M57: 24,480,495 km (0.058 R)
• M58: 25,323,479 km (0.088 R)
• M59: 25,559,395 km (0.092 R)
• M60: 25,606,668 km (0.087 R)
• M61: 25,843,331 km (0.12 R)
• M62: 25,938,326 km (0.049 R)
• M63: 26,271,331 km (0.061 R)
• M64: 26,653,703 km (0.073 R)
• M65: 27,909,128 km (0.053 R)
• M66: 28,055,285 km (0.066 R)
• M67: 28,740,294 km (0.059 R)
• M68: 29,035,600 km (0.081 R)
• M69: 29,381,471 km (0.11 R)
• M70: 29,778,354 km (0.12 R)
• M71: 30,427,010 km (0.087 R)
• M72: 30,828,531 km (0.119 R)
• M73: 32,657,066 km (0.074 R)
• M74: 33,119,622 km (0.099 R)
• M75: 34,781,954 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440.8

Radius: 7.6

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 12.83 AU - 15.47 AU

Year: 19740 Days

Day: 20.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 65,119,314 km

• M1: 100,380 km (0.051 R)
• M2: 159,471 km (0.11 R)
• M3: 226,042 km (0.071 R)
• M4: 432,338 km (0.118 R)
• M5: 1,197,082 km (0.039 R)
• M6: 1,247,497 km (0.054 R)
• M7: 4,024,183 km (0.108 R)
• M8: 7,173,667 km (0.103 R)
• M9: 7,407,787 km (0.047 R)
• M10: 8,566,423 km (0.098 R)
• M11: 9,935,842 km (0.037 R)
• M12: 10,249,399 km (0.115 R)
• M13: 10,302,057 km (0.073 R)
• M14: 11,645,297 km (0.072 R)
• M15: 12,421,261 km (0.089 R)
• M16: 12,477,360 km (0.065 R)
• M17: 12,815,601 km (0.096 R)
• M18: 14,907,428 km (0.106 R)
• M19: 15,146,336 km (0.102 R)
• M20: 15,992,611 km (0.047 R)
• M21: 16,053,647 km (0.092 R)
• M22: 16,175,868 km (0.079 R)
• M23: 16,359,874 km (0.069 R)
• M24: 16,729,979 km (0.119 R)
• M25: 16,792,062 km (0.053 R)
• M26: 17,040,544 km (0.107 R)
• M27: 17,730,489 km (0.102 R)
• M28: 18,301,804 km (0.104 R)
• M29: 19,332,234 km (0.107 R)
• M30: 19,527,608 km (0.11 R)
• M31: 19,592,833 km (0.062 R)
• M32: 19,723,432 km (0.089 R)
• M33: 20,447,635 km (0.041 R)
• M34: 21,381,724 km (0.084 R)
• M35: 21,516,363 km (0.118 R)
• M36: 22,261,659 km (0.078 R)
• M37: 22,946,518 km (0.072 R)
• M38: 23,360,755 km (0.083 R)
• M39: 24,688,585 km (0.105 R)
• M40: 26,112,757 km (0.077 R)
• M41: 27,198,389 km (0.114 R)
• M42: 30,618,047 km (0.114 R)
• M43: 30,693,893 km (0.044 R)
• M44: 32,455,258 km (0.108 R)
• M45: 32,842,567 km (0.092 R)
• M46: 36,315,631 km (0.099 R)
• M47: 37,607,259 km (0.106 R)
• M48: 38,340,438 km (0.116 R)
• M49: 38,749,738 km (0.083 R)
• M50: 38,831,718 km (0.078 R)
• M51: 39,078,255 km (0.093 R)
• M52: 39,242,813 km (0.112 R)
• M53: 39,903,586 km (0.097 R)
• M54: 40,818,078 km (0.045 R)
• M55: 40,985,029 km (0.084 R)
• M56: 42,413,839 km (0.115 R)
• M57: 42,837,201 km (0.112 R)
• M58: 43,602,693 km (0.113 R)
• M59: 45,233,609 km (0.1 R)
• M60: 46,709,691 km (0.077 R)
• M61: 50,513,367 km (0.036 R)
• M62: 52,861,006 km (0.111 R)
• M63: 53,134,172 km (0.091 R)
• M64: 53,590,445 km (0.108 R)
• M65: 55,613,607 km (0.117 R)
• M66: 56,448,513 km (0.075 R)
• M67: 56,541,562 km (0.082 R)
• M68: 57,007,410 km (0.088 R)
• M69: 57,380,956 km (0.109 R)
• M70: 58,977,913 km (0.108 R)
• M71: 59,450,343 km (0.098 R)
• M72: 60,589,382 km (0.042 R)
• M73: 60,684,675 km (0.039 R)
• M74: 60,875,263 km (0.093 R)
• M75: 64,924,279 km (0.104 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 16,356 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit