🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.87 AU - 1.03 AU

Year: 343 Days

Day: 45 Hours

Environment

Temp: 44 °C

Axial Tilt: 22.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 109,378,371 km

• M1: 218,712 km (0.055 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.91 AU - 1.11 AU

Year: 376 Days

Day: 19.7 Hours

Environment

Temp: 21 °C

Axial Tilt: 38.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 109,378,371 km

• M1: 308,172 km (0.026 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.55 AU - 1.79 AU

Year: 800 Days

Day: 18.9 Hours

Environment

Temp: -56 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.5

Radius: 9.8

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.01 AU - 5.79 AU

Year: 4023 Days

Day: 10.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 109,378,371 km

• M1: 128,804 km (0.052 R)
• M2: 454,478 km (0.112 R)
• M3: 854,204 km (0.108 R)
• M4: 1,185,862 km (0.076 R)
• M5: 1,581,549 km (0.069 R)
• M6: 2,981,934 km (0.063 R)
• M7: 3,450,176 km (0.088 R)
• M8: 4,659,375 km (0.065 R)
• M9: 6,314,975 km (0.108 R)
• M10: 6,923,240 km (0.099 R)
• M11: 7,361,562 km (0.113 R)
• M12: 8,035,350 km (0.093 R)
• M13: 13,174,935 km (0.076 R)
• M14: 15,266,164 km (0.085 R)
• M15: 16,420,311 km (0.111 R)
• M16: 16,837,689 km (0.087 R)
• M17: 17,507,888 km (0.112 R)
• M18: 17,818,303 km (0.11 R)
• M19: 20,780,341 km (0.052 R)
• M20: 22,414,399 km (0.118 R)
• M21: 24,208,825 km (0.076 R)
• M22: 25,616,242 km (0.06 R)
• M23: 25,936,232 km (0.075 R)
• M24: 26,502,609 km (0.083 R)
• M25: 26,994,786 km (0.108 R)
• M26: 28,081,764 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.3

Radius: 9.9

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.57 AU - 6.45 AU

Year: 5464 Days

Day: 11 Hours

Environment

Temp: -146 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 109,378,371 km

• M1: 123,119 km (0.098 R)
• M2: 1,030,879 km (0.115 R)
• M3: 1,519,166 km (0.064 R)
• M4: 2,035,279 km (0.107 R)
• M5: 4,004,885 km (0.087 R)
• M6: 5,169,654 km (0.058 R)
• M7: 6,138,749 km (0.069 R)
• M8: 6,849,189 km (0.11 R)
• M9: 12,774,312 km (0.037 R)
• M10: 13,248,088 km (0.107 R)
• M11: 14,281,211 km (0.085 R)
• M12: 15,849,146 km (0.103 R)
• M13: 16,786,975 km (0.082 R)
• M14: 17,355,597 km (0.081 R)
• M15: 18,114,058 km (0.08 R)
• M16: 20,651,238 km (0.092 R)
• M17: 21,903,671 km (0.071 R)
• M18: 23,416,256 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.1

Radius: 8.4

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 7.2 AU - 11.28 AU

Year: 10416 Days

Day: 11.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 109,378,371 km

• M1: 105,018 km (0.043 R)
• M2: 508,184 km (0.118 R)
• M3: 1,342,192 km (0.059 R)
• M4: 3,425,941 km (0.082 R)
• M5: 6,849,638 km (0.113 R)
• M6: 8,032,807 km (0.096 R)
• M7: 9,720,271 km (0.098 R)
• M8: 10,200,929 km (0.035 R)
• M9: 10,849,436 km (0.106 R)
• M10: 12,675,577 km (0.11 R)
• M11: 15,785,268 km (0.073 R)
• M12: 18,554,774 km (0.038 R)
• M13: 22,286,492 km (0.099 R)
• M14: 30,577,805 km (0.1 R)
• M15: 34,844,037 km (0.095 R)
• M16: 38,292,567 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.9

Radius: 8.1

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 9.3 AU - 14.52 AU

Year: 15243 Days

Day: 9.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 109,378,371 km

• M1: 117,434 km (0.119 R)
• M2: 631,602 km (0.112 R)
• M3: 1,036,414 km (0.066 R)
• M4: 1,780,065 km (0.106 R)
• M5: 2,054,577 km (0.066 R)
• M6: 2,581,910 km (0.099 R)
• M7: 4,877,639 km (0.045 R)
• M8: 6,293,433 km (0.077 R)
• M9: 6,902,147 km (0.027 R)
• M10: 11,803,422 km (0.105 R)
• M11: 12,675,577 km (0.106 R)
• M12: 15,310,295 km (0.117 R)
• M13: 17,170,694 km (0.045 R)
• M14: 17,756,968 km (0.112 R)
• M15: 18,356,556 km (0.109 R)
• M16: 19,950,222 km (0.083 R)
• M17: 21,334,601 km (0.079 R)
• M18: 24,374,879 km (0.104 R)
• M19: 26,296,912 km (0.119 R)
• M20: 26,641,286 km (0.049 R)
• M21: 30,534,870 km (0.106 R)
• M22: 32,666,490 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484.9

Radius: 4.3

Gravity: 26.22 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 12.19 AU - 12.71 AU

Year: 16291 Days

Day: 18.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 109,378,371 km

• M1: 54,304 km (0.117 R)
• M2: 381,175 km (0.095 R)
• M3: 600,785 km (0.096 R)
• M4: 850,165 km (0.082 R)
• M5: 1,010,384 km (0.081 R)
• M6: 1,465,012 km (0.07 R)
• M7: 1,953,748 km (0.065 R)
• M8: 2,719,689 km (0.054 R)
• M9: 3,478,450 km (0.114 R)
• M10: 3,667,691 km (0.093 R)
• M11: 5,402,428 km (0.092 R)
• M12: 7,618,720 km (0.096 R)
• M13: 11,287,608 km (0.103 R)
• M14: 16,811,809 km (0.054 R)
• M15: 17,826,381 km (0.117 R)
• M16: 19,297,677 km (0.095 R)
• M17: 20,409,189 km (0.065 R)
• M18: 21,114,094 km (0.1 R)
• M19: 28,095,976 km (0.07 R)
• M20: 32,516,144 km (0.103 R)
• M21: 35,328,734 km (0.063 R)
• M22: 39,776,877 km (0.053 R)
• M23: 40,875,075 km (0.11 R)
• M24: 58,792,262 km (0.039 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.3

Radius: 6.6

Gravity: 17.66 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 10.16 AU - 16.54 AU

Year: 18089 Days

Day: 22 Hours

Environment

Temp: -188 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 109,378,371 km

• M1: 82,129 km (0.051 R)
• M2: 565,181 km (0.099 R)
• M3: 1,209,050 km (0.106 R)
• M4: 1,959,732 km (0.104 R)
• M5: 2,785,961 km (0.047 R)
• M6: 3,359,819 km (0.047 R)
• M7: 3,764,331 km (0.094 R)
• M8: 4,601,182 km (0.078 R)
• M9: 5,211,840 km (0.078 R)
• M10: 5,714,190 km (0.1 R)
• M11: 6,206,068 km (0.049 R)
• M12: 6,505,712 km (0.051 R)
• M13: 6,950,616 km (0.066 R)
• M14: 9,152,697 km (0.087 R)
• M15: 10,531,241 km (0.08 R)
• M16: 11,460,094 km (0.071 R)
• M17: 14,055,618 km (0.093 R)
• M18: 14,423,927 km (0.102 R)
• M19: 15,803,519 km (0.069 R)
• M20: 22,304,743 km (0.107 R)
• M21: 22,604,537 km (0.115 R)
• M22: 24,993,466 km (0.104 R)
• M23: 29,780,897 km (0.111 R)
• M24: 36,788,809 km (0.106 R)
• M25: 38,626,170 km (0.079 R)
• M26: 41,120,116 km (0.08 R)
• M27: 44,662,145 km (0.052 R)
• M28: 47,737,429 km (0.066 R)
• M29: 48,737,191 km (0.087 R)
• M30: 52,170,462 km (0.05 R)
• M31: 54,667,400 km (0.112 R)
• M32: 55,945,265 km (0.117 R)
• M33: 61,844,358 km (0.115 R)
• M34: 66,686,392 km (0.037 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.1

Radius: 3.5

Gravity: 66.78 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 17.77 AU - 20.91 AU

Year: 31542 Days

Day: 21.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 109,378,371 km

• M1: 44,580 km (0.04 R)
• M2: 156,180 km (0.096 R)
• M3: 343,477 km (0.048 R)
• M4: 1,115,103 km (0.118 R)
• M5: 1,554,920 km (0.097 R)
• M6: 1,772,436 km (0.086 R)
• M7: 2,392,519 km (0.086 R)
• M8: 2,601,208 km (0.119 R)
• M9: 2,966,077 km (0.087 R)
• M10: 3,727,979 km (0.088 R)
• M11: 4,455,623 km (0.088 R)
• M12: 6,090,429 km (0.106 R)
• M13: 7,745,579 km (0.074 R)
• M14: 8,736,366 km (0.089 R)
• M15: 10,274,681 km (0.114 R)
• M16: 10,478,882 km (0.111 R)
• M17: 10,965,823 km (0.037 R)
• M18: 12,135,080 km (0.102 R)
• M19: 14,461,776 km (0.117 R)
• M20: 16,046,167 km (0.087 R)
• M21: 22,727,806 km (0.085 R)
• M22: 25,724,700 km (0.104 R)
• M23: 28,704,989 km (0.059 R)
• M24: 30,487,298 km (0.1 R)
• M25: 35,339,954 km (0.081 R)
• M26: 36,589,246 km (0.119 R)
• M27: 37,867,709 km (0.107 R)
• M28: 39,341,248 km (0.117 R)
• M29: 40,008,305 km (0.073 R)
• M30: 44,348,588 km (0.12 R)
• M31: 46,353,947 km (0.092 R)
• M32: 47,472,790 km (0.071 R)
• M33: 51,134,497 km (0.114 R)
• M34: 53,338,074 km (0.074 R)
• M35: 69,102,548 km (0.104 R)
• M36: 85,181,327 km (0.062 R)
• M37: 86,296,579 km (0.114 R)
• M38: 87,704,444 km (0.062 R)
• M39: 95,272,451 km (0.05 R)
• M40: 100,139,468 km (0.09 R)
• M41: 104,850,305 km (0.057 R)
• M42: 108,397,271 km (0.09 R)
• M43: 109,378,334 km (0.1 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 15,570 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit