🌌 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: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.53 AU - 0.53 AU

Year: 146 Days

Day: 34.9 Hours

Environment

Temp: 187 °C

Axial Tilt: 10.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.85 AU - 1.15 AU

Year: 379 Days

Day: 20.6 Hours

Environment

Temp: 17 °C

Axial Tilt: 112 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 67,719,721 km

• M1: 119,678 km (0.053 R)
• M2: 438,322 km (0.074 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.02 AU - 1.5 AU

Year: 536 Days

Day: 41.8 Hours

Environment

Temp: -40 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 10.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.1

Radius: 14.6

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 8.91 AU - 11.75 AU

Year: 12575 Days

Day: 5.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 67,719,721 km

• M1: 196,871 km (0.081 R)
• M2: 327,619 km (0.08 R)
• M3: 577,597 km (0.078 R)
• M4: 683,662 km (0.118 R)
• M5: 817,552 km (0.035 R)
• M6: 1,160,730 km (0.071 R)
• M7: 1,325,736 km (0.046 R)
• M8: 1,524,552 km (0.072 R)
• M9: 1,980,526 km (0.092 R)
• M10: 2,210,009 km (0.097 R)
• M11: 2,328,192 km (0.058 R)
• M12: 3,082,165 km (0.061 R)
• M13: 3,695,217 km (0.12 R)
• M14: 3,801,132 km (0.032 R)
• M15: 4,495,865 km (0.113 R)
• M16: 4,994,026 km (0.044 R)
• M17: 5,309,677 km (0.045 R)
• M18: 5,550,530 km (0.092 R)
• M19: 5,713,292 km (0.057 R)
• M20: 6,253,041 km (0.113 R)
• M21: 6,766,012 km (0.054 R)
• M22: 6,983,827 km (0.067 R)
• M23: 7,696,362 km (0.085 R)
• M24: 8,385,559 km (0.056 R)
• M25: 10,369,077 km (0.106 R)
• M26: 11,232,556 km (0.113 R)
• M27: 11,439,001 km (0.107 R)
• M28: 12,066,265 km (0.05 R)
• M29: 12,597,637 km (0.066 R)
• M30: 12,758,604 km (0.059 R)
• M31: 13,573,314 km (0.044 R)
• M32: 14,070,278 km (0.111 R)
• M33: 14,348,979 km (0.11 R)
• M34: 14,629,475 km (0.086 R)
• M35: 14,798,670 km (0.028 R)
• M36: 14,968,613 km (0.099 R)
• M37: 15,310,295 km (0.085 R)
• M38: 16,585,018 km (0.111 R)
• M39: 16,702,602 km (0.079 R)
• M40: 17,294,711 km (0.119 R)
• M41: 17,653,446 km (0.113 R)
• M42: 18,560,608 km (0.098 R)
• M43: 19,981,189 km (0.094 R)
• M44: 20,169,084 km (0.111 R)
• M45: 20,672,930 km (0.12 R)
• M46: 21,436,477 km (0.113 R)
• M47: 22,729,751 km (0.09 R)
• M48: 24,783,730 km (0.108 R)
• M49: 24,985,687 km (0.097 R)
• M50: 25,526,932 km (0.063 R)
• M51: 25,662,767 km (0.081 R)
• M52: 26,071,917 km (0.067 R)
• M53: 26,827,685 km (0.07 R)
• M54: 27,312,382 km (0.036 R)
• M55: 27,451,359 km (0.063 R)
• M56: 28,571,997 km (0.097 R)
• M57: 29,993,625 km (0.06 R)
• M58: 30,640,935 km (0.114 R)
• M59: 31,220,178 km (0.104 R)
• M60: 32,463,187 km (0.047 R)
• M61: 33,871,351 km (0.111 R)
• M62: 34,320,295 km (0.083 R)
• M63: 35,830,635 km (0.103 R)
• M64: 37,208,581 km (0.102 R)
• M65: 37,671,736 km (0.091 R)
• M66: 37,826,570 km (0.109 R)
• M67: 38,759,911 km (0.085 R)
• M68: 42,005,586 km (0.09 R)
• M69: 42,326,922 km (0.081 R)
• M70: 42,891,206 km (0.063 R)
• M71: 44,598,865 km (0.063 R)
• M72: 45,008,763 km (0.058 R)
• M73: 46,660,773 km (0.11 R)
• M74: 47,076,804 km (0.101 R)
• M75: 47,327,082 km (0.074 R)
• M76: 50,791,469 km (0.11 R)
• M77: 51,133,749 km (0.077 R)
• M78: 52,165,376 km (0.03 R)
• M79: 52,770,350 km (0.118 R)
• M80: 54,686,848 km (0.067 R)
• M81: 55,037,655 km (0.113 R)
• M82: 55,741,663 km (0.09 R)
• M83: 56,094,863 km (0.098 R)
• M84: 56,537,374 km (0.1 R)
• M85: 58,139,716 km (0.074 R)
• M86: 58,497,854 km (0.061 R)
• M87: 58,856,739 km (0.084 R)
• M88: 60,390,117 km (0.072 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 241.2

Radius: 7.8

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 14.76 AU - 20.72 AU

Year: 28300 Days

Day: 23 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 67,719,721 km

• M1: 103,073 km (0.12 R)
• M2: 302,786 km (0.094 R)
• M3: 945,608 km (0.094 R)
• M4: 1,017,266 km (0.05 R)
• M5: 1,296,116 km (0.045 R)
• M6: 1,403,378 km (0.099 R)
• M7: 1,513,781 km (0.115 R)
• M8: 1,684,921 km (0.056 R)
• M9: 1,743,264 km (0.092 R)
• M10: 2,564,108 km (0.095 R)
• M11: 3,488,622 km (0.084 R)
• M12: 4,064,873 km (0.087 R)
• M13: 4,465,496 km (0.077 R)
• M14: 4,711,884 km (0.094 R)
• M15: 5,390,759 km (0.104 R)
• M16: 5,477,825 km (0.114 R)
• M17: 5,741,716 km (0.089 R)
• M18: 6,327,691 km (0.105 R)
• M19: 6,697,796 km (0.027 R)
• M20: 7,410,630 km (0.101 R)
• M21: 7,751,563 km (0.086 R)
• M22: 7,998,101 km (0.077 R)
• M23: 8,804,732 km (0.063 R)
• M24: 8,907,356 km (0.089 R)
• M25: 9,062,041 km (0.061 R)
• M26: 9,426,461 km (0.087 R)
• M27: 9,902,182 km (0.084 R)
• M28: 10,821,910 km (0.104 R)
• M29: 13,208,744 km (0.092 R)
• M30: 13,267,536 km (0.087 R)
• M31: 13,681,174 km (0.057 R)
• M32: 13,800,254 km (0.09 R)
• M33: 13,979,323 km (0.044 R)
• M34: 14,764,412 km (0.119 R)
• M35: 15,193,160 km (0.076 R)
• M36: 15,439,847 km (0.109 R)
• M37: 15,812,645 km (0.098 R)
• M38: 17,076,148 km (0.113 R)
• M39: 18,045,094 km (0.067 R)
• M40: 18,306,441 km (0.059 R)
• M41: 18,634,958 km (0.109 R)
• M42: 18,700,931 km (0.055 R)
• M43: 19,031,692 km (0.1 R)
• M44: 19,098,113 km (0.12 R)
• M45: 19,231,105 km (0.079 R)
• M46: 20,035,792 km (0.079 R)
• M47: 20,714,668 km (0.095 R)
• M48: 20,783,034 km (0.046 R)
• M49: 22,725,861 km (0.112 R)
• M50: 23,433,758 km (0.084 R)
• M51: 24,148,836 km (0.074 R)
• M52: 24,943,650 km (0.097 R)
• M53: 25,234,917 km (0.112 R)
• M54: 25,307,771 km (0.078 R)
• M55: 28,815,691 km (0.059 R)
• M56: 31,211,501 km (0.112 R)
• M57: 31,997,788 km (0.11 R)
• M58: 32,870,392 km (0.075 R)
• M59: 33,911,593 km (0.079 R)
• M60: 35,780,071 km (0.08 R)
• M61: 35,862,050 km (0.045 R)
• M62: 36,108,438 km (0.103 R)
• M63: 36,520,281 km (0.095 R)
• M64: 38,434,984 km (0.108 R)
• M65: 39,024,101 km (0.108 R)
• M66: 41,152,429 km (0.114 R)
• M67: 41,841,477 km (0.118 R)
• M68: 44,723,929 km (0.089 R)
• M69: 45,876,880 km (0.101 R)
• M70: 46,055,051 km (0.032 R)
• M71: 49,576,585 km (0.096 R)
• M72: 49,851,097 km (0.038 R)
• M73: 51,601,093 km (0.097 R)
• M74: 51,786,444 km (0.112 R)
• M75: 52,623,445 km (0.119 R)
• M76: 52,903,342 km (0.118 R)
• M77: 54,876,987 km (0.117 R)
• M78: 56,683,381 km (0.052 R)
• M79: 58,509,223 km (0.102 R)
• M80: 59,672,197 km (0.102 R)
• M81: 60,549,589 km (0.037 R)
• M82: 61,234,896 km (0.088 R)
• M83: 61,431,169 km (0.118 R)
• M84: 63,306,079 km (0.082 R)
• M85: 63,802,594 km (0.113 R)
• M86: 64,499,870 km (0.103 R)
• M87: 64,799,514 km (0.092 R)
• M88: 65,500,530 km (0.088 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 20,339 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit