🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.44 AU - 0.58 AU

Year: 128 Days

Day: 21.3 Hours

Environment

Temp: 206 °C

Axial Tilt: 28.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.86 AU - 1.3 AU

Year: 394 Days

Day: 18.9 Hours

Environment

Temp: 125 °C

Axial Tilt: 35 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.92 AU - 1.46 AU

Year: 456 Days

Day: 20.7 Hours

Environment

Temp: 28 °C

Axial Tilt: 5.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.18 AU - 4.94 AU

Year: 3422 Days

Day: 39.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,946,630 km

• M1: 1,033,422 km (0.114 R)

Asteroid Belt

Center: 6.11 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.4

Radius: 12.1

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.97 AU - 9.35 AU

Year: 7451 Days

Day: 11.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,946,630 km

• M1: 152,889 km (0.057 R)
• M2: 594,352 km (0.12 R)
• M3: 990,188 km (0.059 R)
• M4: 1,583,643 km (0.107 R)
• M5: 2,788,355 km (0.055 R)
• M6: 4,887,662 km (0.113 R)
• M7: 5,916,895 km (0.114 R)
• M8: 7,802,127 km (0.05 R)
• M9: 8,238,953 km (0.063 R)
• M10: 13,271,874 km (0.114 R)
• M11: 13,838,102 km (0.077 R)
• M12: 15,201,986 km (0.064 R)
• M13: 16,718,759 km (0.116 R)
• M14: 23,637,810 km (0.1 R)
• M15: 26,549,134 km (0.108 R)
• M16: 30,270,830 km (0.098 R)
• M17: 31,352,423 km (0.089 R)
• M18: 32,256,293 km (0.116 R)
• M19: 35,611,175 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.6

Radius: 11.1

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.42 AU - 9.66 AU

Year: 8012 Days

Day: 9.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,946,630 km

• M1: 163,062 km (0.098 R)
• M2: 760,855 km (0.114 R)
• M3: 1,138,440 km (0.11 R)
• M4: 2,638,607 km (0.113 R)
• M5: 3,155,169 km (0.118 R)
• M6: 4,760,503 km (0.095 R)
• M7: 5,469,747 km (0.051 R)
• M8: 5,896,849 km (0.115 R)
• M9: 6,280,717 km (0.073 R)
• M10: 8,740,106 km (0.111 R)
• M11: 9,113,502 km (0.11 R)
• M12: 15,587,051 km (0.09 R)
• M13: 19,224,074 km (0.079 R)
• M14: 19,786,114 km (0.072 R)
• M15: 23,232,849 km (0.113 R)
• M16: 31,097,657 km (0.116 R)
• M17: 32,068,099 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.1

Radius: 12.7

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 9.62 AU - 11.18 AU

Year: 11788 Days

Day: 8.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 146.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 89,946,630 km

• M1: 157,975 km (0.04 R)
• M2: 650,751 km (0.11 R)
• M3: 1,063,491 km (0.08 R)
• M4: 1,571,974 km (0.085 R)
• M5: 2,045,152 km (0.119 R)
• M6: 2,452,358 km (0.057 R)
• M7: 2,891,876 km (0.119 R)
• M8: 3,535,147 km (0.069 R)
• M9: 4,043,630 km (0.098 R)
• M10: 4,693,334 km (0.044 R)
• M11: 5,309,528 km (0.088 R)
• M12: 6,945,380 km (0.1 R)
• M13: 7,359,916 km (0.059 R)
• M14: 8,562,982 km (0.1 R)
• M15: 9,285,839 km (0.051 R)
• M16: 10,153,806 km (0.118 R)
• M17: 13,335,453 km (0.11 R)
• M18: 14,373,663 km (0.095 R)
• M19: 16,319,033 km (0.065 R)
• M20: 19,313,384 km (0.081 R)
• M21: 22,386,573 km (0.106 R)
• M22: 26,769,791 km (0.072 R)
• M23: 29,376,983 km (0.071 R)
• M24: 33,188,587 km (0.115 R)
• M25: 38,208,643 km (0.104 R)
• M26: 43,015,372 km (0.027 R)
• M27: 48,210,756 km (0.077 R)
• M28: 53,809,756 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783

Radius: 5.4

Gravity: 26.85 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 13.08 AU - 21.7 AU

Year: 25488 Days

Day: 21.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 124.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 89,946,630 km

• M1: 71,209 km (0.119 R)
• M2: 457,171 km (0.119 R)
• M3: 1,160,281 km (0.116 R)
• M4: 1,391,559 km (0.115 R)
• M5: 1,709,604 km (0.117 R)
• M6: 2,074,922 km (0.108 R)
• M7: 3,456,010 km (0.085 R)
• M8: 5,114,153 km (0.109 R)
• M9: 6,228,956 km (0.067 R)
• M10: 6,843,205 km (0.116 R)
• M11: 8,081,726 km (0.032 R)
• M12: 8,811,614 km (0.104 R)
• M13: 10,596,616 km (0.071 R)
• M14: 13,900,634 km (0.051 R)
• M15: 14,137,298 km (0.065 R)
• M16: 14,537,771 km (0.089 R)
• M17: 15,699,249 km (0.116 R)
• M18: 16,390,092 km (0.092 R)
• M19: 17,832,216 km (0.086 R)
• M20: 19,850,590 km (0.107 R)
• M21: 32,533,199 km (0.115 R)
• M22: 37,020,387 km (0.071 R)
• M23: 42,562,689 km (0.109 R)
• M24: 46,843,432 km (0.074 R)
• M25: 47,375,551 km (0.116 R)
• M26: 49,361,613 km (0.073 R)
• M27: 51,968,505 km (0.062 R)
• M28: 60,337,608 km (0.111 R)
• M29: 84,041,241 km (0.107 R)
• M30: 84,564,535 km (0.114 R)
• M31: 88,287,876 km (0.117 R)

Asteroid Belt

Center: 18.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 19.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498

Radius: 7.9

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 17.72 AU - 21.18 AU

Year: 30148 Days

Day: 20.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 89,946,630 km

• M1: 102,475 km (0.049 R)
• M2: 383,719 km (0.084 R)
• M3: 657,931 km (0.093 R)
• M4: 1,387,520 km (0.038 R)
• M5: 2,156,304 km (0.055 R)
• M6: 2,428,422 km (0.028 R)
• M7: 2,827,101 km (0.084 R)
• M8: 3,239,841 km (0.09 R)
• M9: 3,950,431 km (0.04 R)
• M10: 4,325,174 km (0.112 R)
• M11: 5,551,876 km (0.116 R)
• M12: 6,473,698 km (0.114 R)
• M13: 8,843,777 km (0.093 R)
• M14: 9,849,673 km (0.117 R)
• M15: 10,929,770 km (0.096 R)
• M16: 11,601,016 km (0.11 R)
• M17: 12,658,972 km (0.08 R)
• M18: 13,399,032 km (0.066 R)
• M19: 15,458,247 km (0.119 R)
• M20: 18,271,136 km (0.113 R)
• M21: 26,401,780 km (0.091 R)
• M22: 30,521,706 km (0.109 R)
• M23: 38,154,787 km (0.044 R)
• M24: 39,695,496 km (0.114 R)
• M25: 46,620,082 km (0.061 R)
• M26: 57,446,480 km (0.097 R)
• M27: 58,048,013 km (0.068 R)
• M28: 59,672,646 km (0.08 R)
• M29: 78,600,816 km (0.068 R)
• M30: 79,590,406 km (0.109 R)
• M31: 83,888,652 km (0.09 R)
• M32: 87,807,517 km (0.084 R)
• M33: 88,073,054 km (0.104 R)
• M34: 89,946,617 km (0.112 R)

Kuiper Belt

Range: 31.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 12,979 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit