🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.4

Radius: 14.7

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.69 AU - 0.75 AU

Year: 401 Days

Day: 5.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 48,799,125 km

• M1: 182,809 km (0.113 R)
• M2: 754,123 km (0.093 R)
• M3: 2,082,702 km (0.12 R)
• M4: 2,647,134 km (0.119 R)
• M5: 3,167,885 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.4

Radius: 8.4

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.98 AU - 1.26 AU

Year: 778 Days

Day: 12 Hours

Environment

Temp: -158 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,799,125 km

• M1: 104,719 km (0.085 R)
• M2: 436,377 km (0.104 R)
• M3: 727,494 km (0.103 R)
• M4: 1,183,618 km (0.109 R)
• M5: 1,704,967 km (0.099 R)
• M6: 2,032,736 km (0.109 R)
• M7: 2,310,988 km (0.084 R)
• M8: 2,933,614 km (0.107 R)
• M9: 3,239,991 km (0.031 R)
• M10: 3,649,590 km (0.08 R)
• M11: 3,917,519 km (0.028 R)
• M12: 4,213,723 km (0.099 R)
• M13: 4,556,751 km (0.084 R)
• M14: 5,089,170 km (0.103 R)
• M15: 5,699,679 km (0.114 R)
• M16: 6,338,013 km (0.072 R)
• M17: 7,131,181 km (0.087 R)
• M18: 7,687,984 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.7

Radius: 11.3

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.88 AU - 1.4 AU

Year: 798 Days

Day: 13.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,799,125 km

• M1: 140,622 km (0.052 R)
• M2: 577,149 km (0.109 R)
• M3: 1,123,630 km (0.037 R)
• M4: 1,706,313 km (0.077 R)
• M5: 2,937,354 km (0.113 R)
• M6: 3,412,776 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.3

Radius: 8

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.12 AU - 1.36 AU

Year: 906 Days

Day: 12.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,799,125 km

• M1: 99,483 km (0.088 R)
• M2: 658,380 km (0.088 R)
• M3: 1,041,650 km (0.047 R)
• M4: 1,355,656 km (0.066 R)
• M5: 1,870,422 km (0.055 R)
• M6: 2,157,800 km (0.065 R)
• M7: 2,748,113 km (0.093 R)
• M8: 3,002,280 km (0.093 R)
• M9: 3,528,864 km (0.079 R)
• M10: 3,860,971 km (0.111 R)
• M11: 4,164,506 km (0.104 R)
• M12: 5,021,701 km (0.093 R)
• M13: 5,482,313 km (0.033 R)
• M14: 6,355,965 km (0.105 R)
• M15: 6,621,800 km (0.059 R)
• M16: 7,081,514 km (0.029 R)
• M17: 7,710,723 km (0.09 R)
• M18: 8,482,498 km (0.045 R)
• M19: 8,914,537 km (0.111 R)
• M20: 9,706,059 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.7

Radius: 13

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.52 AU - 2.2 AU

Year: 1664 Days

Day: 10.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,799,125 km

• M1: 161,865 km (0.052 R)
• M2: 848,070 km (0.065 R)
• M3: 1,465,162 km (0.11 R)
• M4: 2,215,993 km (0.12 R)
• M5: 3,180,301 km (0.108 R)
• M6: 3,914,228 km (0.072 R)
• M7: 4,502,896 km (0.076 R)
• M8: 4,941,367 km (0.067 R)
• M9: 5,607,975 km (0.088 R)
• M10: 6,069,186 km (0.077 R)
• M11: 6,631,075 km (0.032 R)
• M12: 7,443,242 km (0.109 R)
• M13: 9,781,158 km (0.113 R)
• M14: 10,904,338 km (0.061 R)
• M15: 11,886,000 km (0.092 R)
• M16: 12,533,609 km (0.12 R)
• M17: 13,488,043 km (0.088 R)
• M18: 14,277,322 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.4

Radius: 8.5

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.11 AU - 2.85 AU

Year: 2562 Days

Day: 9.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,799,125 km

• M1: 105,766 km (0.075 R)
• M2: 406,757 km (0.104 R)
• M3: 925,412 km (0.058 R)
• M4: 1,236,127 km (0.077 R)
• M5: 1,516,773 km (0.103 R)
• M6: 2,538,975 km (0.107 R)
• M7: 3,042,372 km (0.114 R)
• M8: 4,175,875 km (0.051 R)
• M9: 4,565,428 km (0.091 R)
• M10: 5,122,231 km (0.059 R)
• M11: 7,513,254 km (0.084 R)
• M12: 7,922,703 km (0.114 R)
• M13: 8,491,624 km (0.09 R)
• M14: 9,679,281 km (0.074 R)
• M15: 10,767,606 km (0.098 R)
• M16: 11,394,720 km (0.115 R)
• M17: 11,753,456 km (0.049 R)
• M18: 12,913,587 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.3

Radius: 9.7

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.44 AU - 5.02 AU

Year: 5707 Days

Day: 13.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,799,125 km

• M1: 121,473 km (0.068 R)
• M2: 572,661 km (0.041 R)
• M3: 934,388 km (0.116 R)
• M4: 1,400,386 km (0.094 R)
• M5: 2,287,202 km (0.106 R)
• M6: 2,778,631 km (0.087 R)
• M7: 3,293,696 km (0.104 R)
• M8: 3,770,465 km (0.117 R)
• M9: 4,982,656 km (0.1 R)
• M10: 8,128,101 km (0.076 R)
• M11: 11,209,219 km (0.069 R)
• M12: 12,702,804 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.3

Radius: 14.5

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.84 AU - 5.62 AU

Year: 7846 Days

Day: 13.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,799,125 km

• M1: 180,415 km (0.079 R)
• M2: 729,140 km (0.057 R)
• M3: 1,343,389 km (0.099 R)
• M4: 2,265,211 km (0.104 R)
• M5: 2,787,308 km (0.039 R)
• M6: 3,367,149 km (0.107 R)
• M7: 3,949,683 km (0.12 R)
• M8: 4,542,390 km (0.112 R)
• M9: 6,360,004 km (0.113 R)
• M10: 7,024,218 km (0.065 R)
• M11: 8,319,437 km (0.073 R)
• M12: 9,391,455 km (0.088 R)
• M13: 14,870,776 km (0.081 R)
• M14: 15,711,816 km (0.103 R)
• M15: 17,489,188 km (0.048 R)
• M16: 18,280,112 km (0.1 R)
• M17: 19,170,219 km (0.114 R)
• M18: 19,625,894 km (0.118 R)
• M19: 21,359,285 km (0.102 R)
• M20: 23,364,495 km (0.117 R)
• M21: 24,235,902 km (0.063 R)
• M22: 25,675,333 km (0.053 R)
• M23: 26,886,178 km (0.11 R)
• M24: 27,746,515 km (0.08 R)
• M25: 33,299,588 km (0.074 R)
• M26: 39,064,193 km (0.059 R)
• M27: 40,790,403 km (0.073 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.9

Radius: 12.2

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.64 AU - 6.66 AU

Year: 8810 Days

Day: 7.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,799,125 km

• M1: 151,991 km (0.109 R)
• M2: 733,329 km (0.051 R)
• M3: 1,678,039 km (0.093 R)
• M4: 2,271,195 km (0.116 R)
• M5: 2,768,757 km (0.077 R)
• M6: 3,155,318 km (0.101 R)
• M7: 5,175,488 km (0.062 R)
• M8: 7,047,406 km (0.116 R)
• M9: 7,650,884 km (0.078 R)
• M10: 8,158,170 km (0.031 R)
• M11: 10,415,901 km (0.089 R)
• M12: 10,881,600 km (0.053 R)
• M13: 11,415,365 km (0.102 R)
• M14: 14,605,390 km (0.118 R)
• M15: 15,189,569 km (0.09 R)
• M16: 16,404,603 km (0.111 R)
• M17: 18,050,180 km (0.106 R)
• M18: 21,667,157 km (0.103 R)
• M19: 29,062,528 km (0.053 R)
• M20: 37,619,825 km (0.109 R)
• M21: 43,592,371 km (0.118 R)
• M22: 44,397,656 km (0.085 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.6

Radius: 3.6

Gravity: 25.12 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.06 AU - 8.98 AU

Year: 14899 Days

Day: 21.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 48,799,125 km

• M1: 44,879 km (0.113 R)
• M2: 255,962 km (0.051 R)
• M3: 556,803 km (0.096 R)
• M4: 753,076 km (0.078 R)
• M5: 1,036,713 km (0.119 R)
• M6: 1,539,811 km (0.033 R)
• M7: 1,780,963 km (0.109 R)
• M8: 2,892,624 km (0.11 R)
• M9: 3,259,588 km (0.088 R)
• M10: 3,380,463 km (0.085 R)
• M11: 4,057,842 km (0.063 R)
• M12: 4,637,235 km (0.077 R)
• M13: 5,403,026 km (0.104 R)
• M14: 5,886,676 km (0.111 R)
• M15: 7,019,431 km (0.077 R)
• M16: 8,606,814 km (0.112 R)
• M17: 9,265,195 km (0.109 R)
• M18: 10,366,534 km (0.05 R)
• M19: 10,575,672 km (0.101 R)
• M20: 12,062,376 km (0.12 R)
• M21: 15,991,414 km (0.115 R)
• M22: 17,865,726 km (0.102 R)
• M23: 19,167,377 km (0.071 R)
• M24: 23,359,708 km (0.117 R)
• M25: 25,763,446 km (0.12 R)
• M26: 26,632,460 km (0.083 R)
• M27: 32,594,534 km (0.105 R)
• M28: 34,415,140 km (0.107 R)
• M29: 35,943,282 km (0.108 R)
• M30: 36,905,944 km (0.079 R)
• M31: 37,271,262 km (0.087 R)
• M32: 38,756,769 km (0.05 R)
• M33: 44,266,908 km (0.107 R)
• M34: 45,233,160 km (0.106 R)
• M35: 45,511,861 km (0.06 R)
• M36: 45,931,932 km (0.096 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 20,332 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit