🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.3

Radius: 8.8

Gravity: 11.97 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.62 AU - 0.76 AU

Year: 396 Days

Day: 13.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,261,297 km

• M1: 109,506 km (0.107 R)
• M2: 508,184 km (0.097 R)
• M3: 807,829 km (0.034 R)
• M4: 1,132,007 km (0.114 R)
• M5: 1,679,834 km (0.042 R)
• M6: 2,174,704 km (0.107 R)
• M7: 2,784,914 km (0.119 R)
• M8: 3,182,396 km (0.065 R)
• M9: 3,982,595 km (0.12 R)
• M10: 5,941,429 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.8

Radius: 14.6

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.81 AU - 1.11 AU

Year: 649 Days

Day: 9.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,261,297 km

• M1: 181,612 km (0.037 R)
• M2: 714,928 km (0.089 R)
• M3: 1,217,278 km (0.073 R)
• M4: 1,738,626 km (0.089 R)
• M5: 2,267,156 km (0.097 R)
• M6: 2,771,450 km (0.118 R)
• M7: 3,605,159 km (0.065 R)
• M8: 4,225,841 km (0.073 R)
• M9: 4,836,798 km (0.094 R)
• M10: 5,937,539 km (0.094 R)
• M11: 6,528,002 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.9

Radius: 14.5

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.99 AU - 1.39 AU

Year: 896 Days

Day: 11.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,261,297 km

• M1: 189,840 km (0.085 R)
• M2: 724,203 km (0.118 R)
• M3: 1,272,779 km (0.073 R)
• M4: 1,728,753 km (0.083 R)
• M5: 2,208,214 km (0.091 R)
• M6: 3,123,155 km (0.071 R)
• M7: 3,662,156 km (0.082 R)
• M8: 4,201,755 km (0.026 R)
• M9: 4,981,310 km (0.082 R)
• M10: 5,702,970 km (0.091 R)
• M11: 6,228,956 km (0.104 R)
• M12: 6,702,433 km (0.09 R)
• M13: 7,289,156 km (0.114 R)
• M14: 7,815,741 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.2

Radius: 11.3

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.94 AU - 2.02 AU

Year: 1923 Days

Day: 10.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,261,297 km

• M1: 140,472 km (0.051 R)
• M2: 537,206 km (0.076 R)
• M3: 1,016,069 km (0.119 R)
• M4: 1,523,355 km (0.098 R)
• M5: 2,971,911 km (0.106 R)
• M6: 3,376,574 km (0.113 R)
• M7: 4,959,319 km (0.115 R)
• M8: 5,984,064 km (0.092 R)
• M9: 6,436,448 km (0.119 R)
• M10: 8,245,835 km (0.067 R)
• M11: 8,656,930 km (0.117 R)
• M12: 9,236,621 km (0.106 R)
• M13: 9,744,805 km (0.115 R)
• M14: 11,635,423 km (0.102 R)
• M15: 12,803,035 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.2

Radius: 12.2

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.66 AU - 2.6 AU

Year: 2146 Days

Day: 9.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,261,297 km

• M1: 151,692 km (0.083 R)
• M2: 568,173 km (0.094 R)
• M3: 956,828 km (0.114 R)
• M4: 1,496,577 km (0.074 R)
• M5: 2,033,185 km (0.102 R)
• M6: 3,142,154 km (0.084 R)
• M7: 3,567,909 km (0.079 R)
• M8: 4,416,877 km (0.063 R)
• M9: 4,910,999 km (0.081 R)
• M10: 6,035,227 km (0.064 R)
• M11: 8,536,503 km (0.093 R)
• M12: 10,763,716 km (0.072 R)
• M13: 12,569,363 km (0.073 R)
• M14: 13,019,652 km (0.046 R)
• M15: 13,480,713 km (0.031 R)
• M16: 14,214,640 km (0.096 R)
• M17: 14,838,912 km (0.075 R)
• M18: 15,527,960 km (0.101 R)
• M19: 15,951,621 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991

Radius: 15

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.51 AU - 6.41 AU

Year: 8806 Days

Day: 7.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,261,297 km

• M1: 186,698 km (0.067 R)
• M2: 814,261 km (0.118 R)
• M3: 1,335,161 km (0.109 R)
• M4: 2,119,652 km (0.108 R)
• M5: 3,862,916 km (0.103 R)
• M6: 4,413,436 km (0.083 R)
• M7: 5,143,474 km (0.107 R)
• M8: 5,708,655 km (0.111 R)
• M9: 7,366,798 km (0.094 R)
• M10: 9,041,546 km (0.072 R)
• M11: 10,533,934 km (0.057 R)
• M12: 11,339,070 km (0.1 R)
• M13: 12,476,313 km (0.03 R)
• M14: 13,939,829 km (0.085 R)
• M15: 14,582,501 km (0.107 R)
• M16: 17,573,860 km (0.095 R)
• M17: 18,784,705 km (0.111 R)
• M18: 19,410,773 km (0.075 R)
• M19: 20,212,767 km (0.092 R)
• M20: 24,007,017 km (0.117 R)
• M21: 24,931,383 km (0.087 R)
• M22: 28,456,657 km (0.114 R)
• M23: 29,074,945 km (0.105 R)
• M24: 31,200,880 km (0.056 R)
• M25: 35,285,799 km (0.063 R)
• M26: 38,449,046 km (0.116 R)
• M27: 40,228,363 km (0.078 R)
• M28: 41,664,503 km (0.115 R)
• M29: 44,362,949 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.9

Radius: 5.8

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.48 AU - 7.32 AU

Year: 11176 Days

Day: 25 Hours

Environment

Temp: -238 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,261,297 km

• M1: 72,705 km (0.107 R)
• M2: 321,935 km (0.114 R)
• M3: 601,383 km (0.1 R)
• M4: 890,855 km (0.086 R)
• M5: 1,355,806 km (0.073 R)
• M6: 1,649,167 km (0.087 R)
• M7: 1,844,991 km (0.096 R)
• M8: 2,221,678 km (0.1 R)
• M9: 3,663,502 km (0.087 R)
• M10: 4,210,432 km (0.119 R)
• M11: 5,580,300 km (0.096 R)
• M12: 7,154,668 km (0.091 R)
• M13: 9,123,825 km (0.059 R)
• M14: 9,825,139 km (0.09 R)
• M15: 10,210,653 km (0.062 R)
• M16: 11,057,527 km (0.039 R)
• M17: 12,538,396 km (0.094 R)
• M18: 14,039,012 km (0.039 R)
• M19: 14,583,249 km (0.032 R)
• M20: 15,655,567 km (0.114 R)
• M21: 16,538,493 km (0.11 R)
• M22: 17,392,248 km (0.05 R)
• M23: 18,923,383 km (0.079 R)
• M24: 20,060,775 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 904

Radius: 6.8

Gravity: 19.55 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 6.86 AU - 9.8 AU

Year: 16595 Days

Day: 15.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,261,297 km

• M1: 126,709 km (0.08 R)
• M2: 397,482 km (0.084 R)
• M3: 1,180,477 km (0.116 R)
• M4: 1,393,355 km (0.087 R)
• M5: 2,152,713 km (0.098 R)
• M6: 2,429,469 km (0.071 R)
• M7: 3,133,627 km (0.075 R)
• M8: 5,855,859 km (0.045 R)
• M9: 9,791,929 km (0.081 R)
• M10: 11,293,592 km (0.07 R)
• M11: 13,220,861 km (0.109 R)
• M12: 18,229,249 km (0.11 R)
• M13: 19,929,279 km (0.085 R)
• M14: 21,440,666 km (0.074 R)
• M15: 25,550,419 km (0.067 R)
• M16: 28,720,697 km (0.108 R)
• M17: 30,034,914 km (0.052 R)
• M18: 30,522,454 km (0.08 R)
• M19: 35,693,154 km (0.116 R)
• M20: 39,495,334 km (0.075 R)
• M21: 41,418,714 km (0.09 R)
• M22: 42,479,811 km (0.062 R)
• M23: 43,714,443 km (0.099 R)
• M24: 48,391,171 km (0.101 R)
• M25: 61,616,371 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540.6

Radius: 7.1

Gravity: 10.72 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.44 AU - 10.52 AU

Year: 17045 Days

Day: 17.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 54,261,297 km

• M1: 88,263 km (0.086 R)
• M2: 341,981 km (0.113 R)
• M3: 1,210,546 km (0.117 R)
• M4: 1,473,838 km (0.103 R)
• M5: 1,708,707 km (0.1 R)
• M6: 2,275,084 km (0.098 R)
• M7: 2,794,488 km (0.027 R)
• M8: 3,259,588 km (0.106 R)
• M9: 4,250,225 km (0.071 R)
• M10: 4,967,996 km (0.076 R)
• M11: 5,878,448 km (0.076 R)
• M12: 13,051,517 km (0.086 R)
• M13: 13,722,014 km (0.115 R)
• M14: 13,996,377 km (0.055 R)
• M15: 15,424,288 km (0.062 R)
• M16: 16,479,851 km (0.111 R)
• M17: 17,104,273 km (0.102 R)
• M18: 17,906,716 km (0.095 R)
• M19: 18,818,215 km (0.069 R)
• M20: 21,460,862 km (0.098 R)
• M21: 23,745,520 km (0.102 R)
• M22: 24,141,506 km (0.119 R)
• M23: 26,610,170 km (0.097 R)
• M24: 30,504,651 km (0.111 R)
• M25: 31,802,862 km (0.043 R)
• M26: 35,659,495 km (0.097 R)
• M27: 36,440,246 km (0.092 R)
• M28: 39,263,008 km (0.111 R)
• M29: 40,375,568 km (0.095 R)
• M30: 45,036,589 km (0.071 R)
• M31: 49,720,498 km (0.109 R)
• M32: 52,013,384 km (0.064 R)
• M33: 54,204,694 km (0.073 R)
• M34: 55,583,388 km (0.03 R)
• M35: 58,410,638 km (0.107 R)
• M36: 58,951,285 km (0.042 R)
• M37: 61,146,933 km (0.087 R)
• M38: 61,704,185 km (0.087 R)
• M39: 63,017,804 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.2

Radius: 5.1

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 7.36 AU - 10.18 AU

Year: 17927 Days

Day: 16.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,261,297 km

• M1: 63,579 km (0.081 R)
• M2: 228,586 km (0.111 R)
• M3: 423,512 km (0.105 R)
• M4: 689,048 km (0.1 R)
• M5: 994,227 km (0.11 R)
• M6: 1,483,263 km (0.029 R)
• M7: 1,789,939 km (0.086 R)
• M8: 2,046,798 km (0.09 R)
• M9: 2,347,490 km (0.077 R)
• M10: 4,402,665 km (0.104 R)
• M11: 5,135,097 km (0.108 R)
• M12: 5,304,441 km (0.082 R)
• M13: 6,208,312 km (0.078 R)
• M14: 6,597,116 km (0.109 R)
• M15: 8,885,216 km (0.086 R)
• M16: 13,422,819 km (0.114 R)
• M17: 14,204,617 km (0.093 R)
• M18: 27,090,678 km (0.094 R)
• M19: 30,165,513 km (0.066 R)
• M20: 32,879,966 km (0.103 R)
• M21: 43,377,249 km (0.086 R)
• M22: 50,142,813 km (0.104 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 16,955 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit