🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.49 AU - 0.77 AU

Year: 174 Days

Day: 27.4 Hours

Environment

Temp: 245 °C

Axial Tilt: 1.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.09 AU - 1.27 AU

Year: 446 Days

Day: 28 Hours

Environment

Temp: 35 °C

Axial Tilt: 10.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 32,959,755 km

• M1: 65,075 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.75 AU - 3.51 AU

Year: 1928 Days

Day: 29.9 Hours

Environment

Temp: -100 °C

Axial Tilt: 18.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,959,755 km

• M1: 447,447 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.86 AU - 3.66 AU

Year: 2050 Days

Day: 31.2 Hours

Environment

Temp: -103 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.42 AU - 4.86 AU

Year: 3481 Days

Day: 41.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 15.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.36 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.7

Radius: 12.5

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.97 AU - 6.17 AU

Year: 5208 Days

Day: 11 Hours

Environment

Temp: -131 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 32,959,755 km

• M1: 249,828 km (0.104 R)
• M2: 441,613 km (0.049 R)
• M3: 544,536 km (0.056 R)
• M4: 669,301 km (0.074 R)
• M5: 964,757 km (0.068 R)
• M6: 1,195,287 km (0.063 R)
• M7: 1,525,599 km (0.112 R)
• M8: 1,608,626 km (0.065 R)
• M9: 1,710,352 km (0.065 R)
• M10: 1,956,591 km (0.09 R)
• M11: 2,328,491 km (0.117 R)
• M12: 2,425,131 km (0.086 R)
• M13: 3,012,004 km (0.108 R)
• M14: 3,289,358 km (0.08 R)
• M15: 3,915,126 km (0.12 R)
• M16: 4,077,440 km (0.11 R)
• M17: 4,456,820 km (0.074 R)
• M18: 4,577,844 km (0.056 R)
• M19: 4,847,719 km (0.115 R)
• M20: 5,097,697 km (0.096 R)
• M21: 5,429,206 km (0.117 R)
• M22: 5,715,087 km (0.11 R)
• M23: 5,793,926 km (0.077 R)
• M24: 6,166,873 km (0.029 R)
• M25: 6,824,206 km (0.104 R)
• M26: 7,274,944 km (0.046 R)
• M27: 7,446,533 km (0.101 R)
• M28: 7,532,851 km (0.077 R)
• M29: 7,822,921 km (0.097 R)
• M30: 7,998,699 km (0.117 R)
• M31: 8,444,052 km (0.088 R)
• M32: 8,564,179 km (0.074 R)
• M33: 9,234,976 km (0.104 R)
• M34: 9,702,170 km (0.095 R)
• M35: 10,887,284 km (0.051 R)
• M36: 10,985,420 km (0.115 R)
• M37: 11,215,502 km (0.079 R)
• M38: 11,347,746 km (0.097 R)
• M39: 12,016,449 km (0.027 R)
• M40: 12,458,062 km (0.105 R)
• M41: 12,801,389 km (0.113 R)
• M42: 14,098,702 km (0.12 R)
• M43: 15,181,192 km (0.091 R)
• M44: 15,843,462 km (0.06 R)
• M45: 16,066,363 km (0.099 R)
• M46: 17,501,904 km (0.067 R)
• M47: 17,616,944 km (0.094 R)
• M48: 18,041,204 km (0.074 R)
• M49: 18,157,442 km (0.117 R)
• M50: 18,351,769 km (0.039 R)
• M51: 18,468,755 km (0.078 R)
• M52: 18,624,935 km (0.092 R)
• M53: 19,611,832 km (0.097 R)
• M54: 20,777,798 km (0.09 R)
• M55: 20,859,030 km (0.048 R)
• M56: 21,677,330 km (0.116 R)
• M57: 21,759,758 km (0.111 R)
• M58: 22,173,396 km (0.114 R)
• M59: 22,673,053 km (0.116 R)
• M60: 22,798,715 km (0.101 R)
• M61: 22,966,415 km (0.111 R)
• M62: 23,260,823 km (0.11 R)
• M63: 23,345,197 km (0.108 R)
• M64: 23,429,719 km (0.104 R)
• M65: 24,666,146 km (0.098 R)
• M66: 24,881,417 km (0.103 R)
• M67: 25,487,737 km (0.092 R)
• M68: 25,792,618 km (0.073 R)
• M69: 26,318,155 km (0.109 R)
• M70: 27,960,889 km (0.109 R)
• M71: 29,271,666 km (0.093 R)
• M72: 29,957,422 km (0.062 R)
• M73: 30,509,887 km (0.094 R)
• M74: 30,879,992 km (0.103 R)
• M75: 31,019,268 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.4

Radius: 13.9

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.46 AU - 7.14 AU

Year: 5507 Days

Day: 13.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 32,959,755 km

• M1: 196,272 km (0.119 R)
• M2: 318,344 km (0.09 R)
• M3: 406,158 km (0.037 R)
• M4: 642,672 km (0.115 R)
• M5: 767,138 km (0.05 R)
• M6: 859,739 km (0.039 R)
• M7: 1,178,682 km (0.103 R)
• M8: 1,320,351 km (0.092 R)
• M9: 1,535,772 km (0.078 R)
• M10: 2,096,614 km (0.074 R)
• M11: 2,310,689 km (0.061 R)
• M12: 2,471,058 km (0.111 R)
• M13: 2,676,755 km (0.101 R)
• M14: 2,824,258 km (0.109 R)
• M15: 3,039,679 km (0.083 R)
• M16: 3,373,282 km (0.073 R)
• M17: 4,645,612 km (0.109 R)
• M18: 5,426,214 km (0.091 R)
• M19: 7,107,844 km (0.077 R)
• M20: 7,254,898 km (0.067 R)
• M21: 7,671,977 km (0.107 R)
• M22: 7,883,509 km (0.034 R)
• M23: 8,250,622 km (0.118 R)
• M24: 8,970,038 km (0.087 R)
• M25: 9,450,097 km (0.069 R)
• M26: 9,742,113 km (0.082 R)
• M27: 9,905,773 km (0.082 R)
• M28: 10,202,425 km (0.077 R)
• M29: 11,144,443 km (0.102 R)
• M30: 11,281,325 km (0.037 R)
• M31: 11,799,532 km (0.105 R)
• M32: 11,904,101 km (0.078 R)
• M33: 12,009,119 km (0.096 R)
• M34: 12,114,286 km (0.084 R)
• M35: 12,752,022 km (0.115 R)
• M36: 12,931,090 km (0.11 R)
• M37: 13,582,888 km (0.059 R)
• M38: 13,802,498 km (0.112 R)
• M39: 14,060,255 km (0.098 R)
• M40: 14,505,758 km (0.116 R)
• M41: 15,069,293 km (0.036 R)
• M42: 15,296,681 km (0.068 R)
• M43: 15,525,267 km (0.114 R)
• M44: 15,678,306 km (0.102 R)
• M45: 17,315,056 km (0.12 R)
• M46: 18,194,093 km (0.109 R)
• M47: 18,964,971 km (0.073 R)
• M48: 19,210,611 km (0.053 R)
• M49: 19,787,909 km (0.106 R)
• M50: 20,203,641 km (0.096 R)
• M51: 20,748,626 km (0.073 R)
• M52: 21,044,082 km (0.104 R)
• M53: 21,298,398 km (0.053 R)
• M54: 22,239,818 km (0.101 R)
• M55: 22,976,587 km (0.094 R)
• M56: 23,194,701 km (0.078 R)
• M57: 23,986,074 km (0.045 R)
• M58: 24,830,853 km (0.054 R)
• M59: 25,369,555 km (0.088 R)
• M60: 25,730,834 km (0.094 R)
• M61: 26,962,473 km (0.094 R)
• M62: 27,192,704 km (0.054 R)
• M63: 28,916,670 km (0.111 R)
• M64: 29,057,890 km (0.09 R)
• M65: 29,341,229 km (0.067 R)
• M66: 30,101,336 km (0.106 R)
• M67: 30,340,243 km (0.105 R)
• M68: 31,398,648 km (0.07 R)
• M69: 31,835,175 km (0.092 R)
• M70: 32,127,190 km (0.076 R)
• M71: 32,371,334 km (0.074 R)
• M72: 32,518,089 km (0.101 R)
• M73: 32,714,212 km (0.092 R)
• M74: 32,959,702 km (0.092 R)

Kuiper Belt

Range: 31.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 15,182 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit