🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.56 AU - 0.8 AU

Year: 197 Days

Day: 47.3 Hours

Environment

Temp: 144 °C

Axial Tilt: 14.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 46,138,200 km

• M1: 146,008 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.74 AU - 0.78 AU

Year: 233 Days

Day: 39.1 Hours

Environment

Temp: 218 °C

Axial Tilt: 0.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 46,138,200 km

• M1: 217,814 km (0.081 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.81 AU - 2.95 AU

Year: 1290 Days

Day: 36.7 Hours

Environment

Temp: -77 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 46,138,200 km

• M1: 710,291 km (0.099 R)
• M2: 1,566,290 km (0.034 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.02 AU - 4.48 AU

Year: 3079 Days

Day: 23.7 Hours

Environment

Temp: -121 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.73 AU - 5.05 AU

Year: 3233 Days

Day: 19.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,138,200 km

• M1: 66,421 km (0.103 R)

Planet 6 - Terrestrial

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.42 AU - 6.14 AU

Year: 4264 Days

Day: 26.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 84.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 46,138,200 km

• M1: 1,767,798 km (0.1 R)
• M2: 3,639,567 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.5

Radius: 8.4

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.7 AU - 7.26 AU

Year: 6481 Days

Day: 7.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 46,138,200 km

• M1: 105,466 km (0.067 R)
• M2: 184,753 km (0.106 R)
• M3: 243,994 km (0.094 R)
• M4: 350,957 km (0.094 R)
• M5: 643,121 km (0.109 R)
• M6: 720,613 km (0.07 R)
• M7: 1,078,750 km (0.099 R)
• M8: 1,718,281 km (0.09 R)
• M9: 1,903,633 km (0.12 R)
• M10: 1,960,480 km (0.094 R)
• M11: 2,375,016 km (0.106 R)
• M12: 2,519,378 km (0.093 R)
• M13: 2,582,059 km (0.038 R)
• M14: 2,991,509 km (0.117 R)
• M15: 3,058,080 km (0.074 R)
• M16: 3,491,016 km (0.083 R)
• M17: 3,561,177 km (0.05 R)
• M18: 3,631,788 km (0.107 R)
• M19: 3,750,568 km (0.116 R)
• M20: 3,822,375 km (0.053 R)
• M21: 4,540,894 km (0.105 R)
• M22: 4,824,232 km (0.083 R)
• M23: 4,928,801 km (0.098 R)
• M24: 5,033,968 km (0.08 R)
• M25: 5,193,290 km (0.092 R)
• M26: 5,708,655 km (0.11 R)
• M27: 6,014,582 km (0.08 R)
• M28: 6,354,469 km (0.111 R)
• M29: 7,231,262 km (0.108 R)
• M30: 7,714,313 km (0.097 R)
• M31: 7,867,352 km (0.083 R)
• M32: 8,301,485 km (0.112 R)
• M33: 8,426,998 km (0.12 R)
• M34: 8,553,109 km (0.112 R)
• M35: 8,743,397 km (0.066 R)
• M36: 8,871,004 km (0.095 R)
• M37: 9,095,999 km (0.088 R)
• M38: 9,160,626 km (0.059 R)
• M39: 9,290,327 km (0.078 R)
• M40: 9,453,239 km (0.071 R)
• M41: 9,815,116 km (0.101 R)
• M42: 10,248,651 km (0.097 R)
• M43: 10,756,685 km (0.108 R)
• M44: 10,859,160 km (0.095 R)
• M45: 11,099,863 km (0.032 R)
• M46: 11,516,493 km (0.111 R)
• M47: 11,621,511 km (0.091 R)
• M48: 11,902,904 km (0.105 R)
• M49: 12,222,296 km (0.07 R)
• M50: 12,869,456 km (0.055 R)
• M51: 13,380,482 km (0.059 R)
• M52: 13,490,886 km (0.097 R)
• M53: 13,638,539 km (0.084 R)
• M54: 14,122,039 km (0.119 R)
• M55: 14,876,910 km (0.047 R)
• M56: 14,991,352 km (0.1 R)
• M57: 15,067,647 km (0.116 R)
• M58: 15,683,691 km (0.056 R)
• M59: 15,761,183 km (0.118 R)
• M60: 16,111,840 km (0.112 R)
• M61: 16,386,352 km (0.108 R)
• M62: 17,139,278 km (0.109 R)
• M63: 17,259,256 km (0.096 R)
• M64: 17,379,383 km (0.087 R)
• M65: 17,822,492 km (0.116 R)
• M66: 18,884,637 km (0.035 R)
• M67: 18,967,215 km (0.054 R)
• M68: 19,091,231 km (0.085 R)
• M69: 19,590,140 km (0.076 R)
• M70: 21,801,197 km (0.069 R)
• M71: 22,541,108 km (0.06 R)
• M72: 23,200,835 km (0.114 R)
• M73: 24,854,938 km (0.063 R)
• M74: 25,536,357 km (0.108 R)
• M75: 25,627,611 km (0.064 R)
• M76: 25,764,792 km (0.11 R)
• M77: 25,856,346 km (0.072 R)
• M78: 25,993,976 km (0.083 R)
• M79: 26,131,756 km (0.117 R)
• M80: 26,685,567 km (0.028 R)
• M81: 26,778,318 km (0.091 R)
• M82: 27,103,394 km (0.115 R)
• M83: 27,383,292 km (0.093 R)
• M84: 29,799,746 km (0.115 R)
• M85: 30,765,999 km (0.095 R)
• M86: 31,889,778 km (0.091 R)
• M87: 32,185,084 km (0.082 R)
• M88: 32,977,205 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.1

Radius: 8.3

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.63 AU - 10.25 AU

Year: 10194 Days

Day: 7.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 46,138,200 km

• M1: 135,087 km (0.101 R)
• M2: 244,443 km (0.115 R)
• M3: 643,121 km (0.118 R)
• M4: 850,913 km (0.109 R)
• M5: 1,095,056 km (0.088 R)
• M6: 1,202,019 km (0.093 R)
• M7: 1,824,944 km (0.045 R)
• M8: 1,971,550 km (0.116 R)
• M9: 2,414,210 km (0.057 R)
• M10: 2,657,307 km (0.066 R)
• M11: 2,972,510 km (0.087 R)
• M12: 3,123,604 km (0.11 R)
• M13: 3,501,488 km (0.111 R)
• M14: 4,107,210 km (0.119 R)
• M15: 4,644,864 km (0.081 R)
• M16: 5,049,975 km (0.104 R)
• M17: 5,256,869 km (0.115 R)
• M18: 6,194,100 km (0.029 R)
• M19: 6,276,827 km (0.113 R)
• M20: 6,415,654 km (0.113 R)
• M21: 6,527,254 km (0.11 R)
• M22: 6,639,752 km (0.086 R)
• M23: 6,752,698 km (0.06 R)
• M24: 7,124,449 km (0.107 R)
• M25: 7,182,194 km (0.09 R)
• M26: 7,444,289 km (0.11 R)
• M27: 7,561,724 km (0.032 R)
• M28: 7,679,756 km (0.03 R)
• M29: 7,977,606 km (0.112 R)
• M30: 8,309,713 km (0.105 R)
• M31: 8,370,599 km (0.114 R)
• M32: 8,431,635 km (0.114 R)
• M33: 8,646,308 km (0.08 R)
• M34: 9,175,286 km (0.094 R)
• M35: 10,857,664 km (0.091 R)
• M36: 11,259,185 km (0.049 R)
• M37: 11,802,225 km (0.084 R)
• M38: 12,042,479 km (0.099 R)
• M39: 12,702,804 km (0.092 R)
• M40: 12,772,965 km (0.039 R)
• M41: 12,913,737 km (0.112 R)
• M42: 13,019,802 km (0.1 R)
• M43: 13,232,380 km (0.049 R)
• M44: 13,661,278 km (0.048 R)
• M45: 13,877,446 km (0.06 R)
• M46: 14,642,939 km (0.03 R)
• M47: 15,459,594 km (0.101 R)
• M48: 15,647,189 km (0.103 R)
• M49: 15,760,136 km (0.116 R)
• M50: 16,252,761 km (0.058 R)
• M51: 16,329,056 km (0.083 R)
• M52: 16,750,474 km (0.089 R)
• M53: 17,408,854 km (0.116 R)
• M54: 17,564,884 km (0.105 R)
• M55: 18,273,230 km (0.084 R)
• M56: 18,392,310 km (0.117 R)
• M57: 18,471,747 km (0.046 R)
• M58: 18,710,804 km (0.1 R)
• M59: 18,790,689 km (0.067 R)
• M60: 19,312,936 km (0.117 R)
• M61: 19,515,042 km (0.03 R)
• M62: 20,003,030 km (0.045 R)
• M63: 20,577,486 km (0.052 R)
• M64: 20,783,931 km (0.114 R)
• M65: 21,826,629 km (0.119 R)
• M66: 22,290,681 km (0.093 R)
• M67: 22,460,325 km (0.095 R)
• M68: 23,271,744 km (0.094 R)
• M69: 23,875,671 km (0.084 R)
• M70: 24,092,587 km (0.033 R)
• M71: 24,747,527 km (0.079 R)
• M72: 25,319,739 km (0.074 R)
• M73: 25,629,706 km (0.039 R)
• M74: 25,807,278 km (0.12 R)
• M75: 26,030,030 km (0.064 R)
• M76: 26,611,965 km (0.102 R)
• M77: 27,152,911 km (0.097 R)
• M78: 28,613,286 km (0.064 R)
• M79: 29,538,848 km (0.101 R)
• M80: 30,052,118 km (0.109 R)
• M81: 30,333,362 km (0.108 R)
• M82: 30,851,120 km (0.088 R)
• M83: 31,371,870 km (0.053 R)
• M84: 31,562,009 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.8

Radius: 6.7

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 11.62 AU - 17.9 AU

Year: 19930 Days

Day: 18.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 46,138,200 km

• M1: 185,352 km (0.093 R)
• M2: 677,379 km (0.064 R)
• M3: 726,597 km (0.095 R)
• M4: 1,125,425 km (0.075 R)
• M5: 1,184,516 km (0.115 R)
• M6: 1,368,521 km (0.115 R)
• M7: 1,605,784 km (0.084 R)
• M8: 1,879,398 km (0.077 R)
• M9: 1,926,372 km (0.045 R)
• M10: 2,291,989 km (0.115 R)
• M11: 2,418,698 km (0.118 R)
• M12: 2,866,594 km (0.078 R)
• M13: 2,921,048 km (0.113 R)
• M14: 3,397,218 km (0.083 R)
• M15: 3,659,164 km (0.077 R)
• M16: 3,957,911 km (0.099 R)
• M17: 4,389,351 km (0.116 R)
• M18: 4,515,313 km (0.109 R)
• M19: 4,610,756 km (0.082 R)
• M20: 4,738,812 km (0.054 R)
• M21: 5,031,425 km (0.058 R)
• M22: 5,097,248 km (0.086 R)
• M23: 5,263,152 km (0.058 R)
• M24: 5,978,829 km (0.117 R)
• M25: 6,118,703 km (0.069 R)
• M26: 6,833,930 km (0.067 R)
• M27: 7,164,392 km (0.094 R)
• M28: 7,802,726 km (0.097 R)
• M29: 8,109,551 km (0.078 R)
• M30: 8,264,385 km (0.088 R)
• M31: 8,774,364 km (0.101 R)
• M32: 9,013,122 km (0.107 R)
• M33: 9,742,412 km (0.105 R)
• M34: 10,448,514 km (0.12 R)
• M35: 10,532,737 km (0.118 R)
• M36: 12,395,829 km (0.093 R)
• M37: 12,619,029 km (0.05 R)
• M38: 14,311,579 km (0.115 R)
• M39: 15,303,413 km (0.11 R)
• M40: 15,783,473 km (0.101 R)
• M41: 16,317,388 km (0.101 R)
• M42: 17,602,583 km (0.09 R)
• M43: 17,803,194 km (0.115 R)
• M44: 18,919,942 km (0.05 R)
• M45: 19,176,951 km (0.118 R)
• M46: 19,280,024 km (0.118 R)
• M47: 19,590,440 km (0.071 R)
• M48: 20,268,866 km (0.057 R)
• M49: 20,901,814 km (0.114 R)
• M50: 21,274,014 km (0.098 R)
• M51: 21,648,457 km (0.103 R)
• M52: 22,566,839 km (0.063 R)
• M53: 22,948,613 km (0.111 R)
• M54: 23,277,578 km (0.099 R)
• M55: 25,510,476 km (0.087 R)
• M56: 25,567,174 km (0.071 R)
• M57: 26,480,020 km (0.097 R)
• M58: 26,652,357 km (0.109 R)
• M59: 27,113,716 km (0.116 R)
• M60: 27,403,488 km (0.092 R)
• M61: 28,572,595 km (0.087 R)
• M62: 29,757,859 km (0.117 R)
• M63: 29,877,238 km (0.093 R)
• M64: 30,056,755 km (0.082 R)
• M65: 30,597,103 km (0.082 R)
• M66: 30,777,967 km (0.05 R)
• M67: 31,565,749 km (0.081 R)
• M68: 32,053,887 km (0.074 R)
• M69: 32,975,709 km (0.11 R)
• M70: 33,284,928 km (0.107 R)
• M71: 33,968,740 km (0.061 R)
• M72: 35,223,567 km (0.066 R)
• M73: 35,920,244 km (0.096 R)
• M74: 39,013,030 km (0.098 R)
• M75: 39,143,779 km (0.049 R)
• M76: 40,128,731 km (0.058 R)
• M77: 40,789,954 km (0.032 R)
• M78: 41,922,260 km (0.066 R)
• M79: 43,945,272 km (0.096 R)
• M80: 44,285,607 km (0.117 R)
• M81: 44,490,257 km (0.113 R)
• M82: 45,037,337 km (0.11 R)
• M83: 46,138,227 km (0.115 R)

Kuiper Belt

Range: 31.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 13,342 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit