🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.4

Radius: 10.2

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.58 AU - 0.96 AU

Year: 436 Days

Day: 13.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,626,560 km

• M1: 126,859 km (0.114 R)
• M2: 472,131 km (0.119 R)
• M3: 993,928 km (0.114 R)
• M4: 1,446,312 km (0.084 R)
• M5: 1,855,462 km (0.082 R)
• M6: 2,286,603 km (0.102 R)
• M7: 2,976,250 km (0.102 R)
• M8: 3,328,702 km (0.112 R)
• M9: 4,145,955 km (0.087 R)
• M10: 4,528,627 km (0.11 R)
• M11: 5,059,998 km (0.115 R)
• M12: 5,908,218 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.6

Radius: 11.1

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.37 AU - 1.93 AU

Year: 1368 Days

Day: 9 Hours

Environment

Temp: -189 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 76,626,560 km

• M1: 138,079 km (0.075 R)
• M2: 1,112,709 km (0.07 R)
• M3: 1,783,506 km (0.11 R)
• M4: 2,342,852 km (0.065 R)
• M5: 2,944,684 km (0.1 R)
• M6: 3,360,267 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.8

Radius: 11.3

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.33 AU - 2.13 AU

Year: 1469 Days

Day: 7.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 76,626,560 km

• M1: 140,622 km (0.106 R)
• M2: 1,111,363 km (0.112 R)
• M3: 1,537,118 km (0.09 R)
• M4: 2,117,558 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578

Radius: 10.2

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.44 AU - 2.08 AU

Year: 1508 Days

Day: 14.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,626,560 km

• M1: 127,009 km (0.034 R)
• M2: 685,607 km (0.118 R)
• M3: 1,276,818 km (0.038 R)
• M4: 1,676,992 km (0.085 R)
• M5: 2,050,388 km (0.117 R)
• M6: 2,467,018 km (0.11 R)
• M7: 3,125,249 km (0.109 R)
• M8: 3,456,908 km (0.094 R)
• M9: 4,016,404 km (0.08 R)
• M10: 4,428,396 km (0.113 R)
• M11: 4,848,617 km (0.117 R)
• M12: 5,171,000 km (0.114 R)
• M13: 6,319,014 km (0.075 R)
• M14: 6,655,460 km (0.032 R)
• M15: 7,364,254 km (0.103 R)
• M16: 7,791,506 km (0.09 R)
• M17: 8,150,690 km (0.065 R)
• M18: 8,695,675 km (0.058 R)
• M19: 9,295,264 km (0.119 R)
• M20: 11,260,980 km (0.089 R)
• M21: 11,613,731 km (0.036 R)
• M22: 12,341,226 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.2

Radius: 11.3

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.74 AU - 5.78 AU

Year: 8926 Days

Day: 8.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,626,560 km

• M1: 140,622 km (0.069 R)
• M2: 512,672 km (0.09 R)
• M3: 1,082,640 km (0.044 R)
• M4: 1,500,018 km (0.095 R)
• M5: 2,124,439 km (0.073 R)
• M6: 2,671,220 km (0.057 R)
• M7: 3,409,635 km (0.102 R)
• M8: 4,279,397 km (0.089 R)
• M9: 5,050,424 km (0.084 R)
• M10: 5,511,335 km (0.099 R)
• M11: 5,911,809 km (0.087 R)
• M12: 7,607,800 km (0.062 R)
• M13: 9,048,278 km (0.069 R)
• M14: 11,841,270 km (0.065 R)
• M15: 17,431,742 km (0.118 R)
• M16: 17,861,537 km (0.058 R)
• M17: 18,614,613 km (0.034 R)
• M18: 19,323,407 km (0.114 R)
• M19: 21,208,939 km (0.108 R)
• M20: 22,268,092 km (0.104 R)
• M21: 23,066,944 km (0.118 R)
• M22: 23,884,796 km (0.107 R)
• M23: 26,615,855 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245.7

Radius: 7.2

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.96 AU - 7.9 AU

Year: 11779 Days

Day: 19.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,626,560 km

• M1: 89,759 km (0.051 R)
• M2: 416,032 km (0.079 R)
• M3: 1,123,031 km (0.061 R)
• M4: 1,463,815 km (0.051 R)
• M5: 1,857,557 km (0.091 R)
• M6: 2,185,475 km (0.071 R)
• M7: 2,817,676 km (0.088 R)
• M8: 3,123,604 km (0.12 R)
• M9: 3,973,918 km (0.104 R)
• M10: 4,386,210 km (0.114 R)
• M11: 4,999,112 km (0.079 R)
• M12: 6,463,526 km (0.079 R)
• M13: 6,888,234 km (0.098 R)
• M14: 7,369,341 km (0.102 R)
• M15: 9,385,920 km (0.088 R)
• M16: 11,692,570 km (0.112 R)
• M17: 14,116,504 km (0.114 R)
• M18: 14,650,568 km (0.096 R)
• M19: 15,759,238 km (0.063 R)
• M20: 16,463,545 km (0.098 R)
• M21: 16,790,566 km (0.081 R)
• M22: 17,457,623 km (0.034 R)
• M23: 19,784,618 km (0.117 R)
• M24: 26,090,916 km (0.09 R)
• M25: 27,075,868 km (0.056 R)
• M26: 33,722,053 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.4

Radius: 6.9

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.44 AU - 9.84 AU

Year: 16398 Days

Day: 24.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,626,560 km

• M1: 101,427 km (0.063 R)
• M2: 325,375 km (0.111 R)
• M3: 808,876 km (0.096 R)
• M4: 1,410,409 km (0.067 R)
• M5: 1,688,212 km (0.104 R)
• M6: 3,510,015 km (0.042 R)
• M7: 3,829,257 km (0.074 R)
• M8: 6,713,354 km (0.069 R)
• M9: 7,290,652 km (0.04 R)
• M10: 9,073,111 km (0.043 R)
• M11: 9,830,076 km (0.062 R)
• M12: 10,848,389 km (0.039 R)
• M13: 14,190,854 km (0.085 R)
• M14: 15,070,789 km (0.106 R)
• M15: 19,361,555 km (0.12 R)
• M16: 19,690,072 km (0.11 R)
• M17: 23,740,584 km (0.104 R)
• M18: 26,966,512 km (0.103 R)
• M19: 27,376,410 km (0.072 R)
• M20: 32,624,004 km (0.109 R)
• M21: 34,392,102 km (0.109 R)
• M22: 35,851,728 km (0.09 R)
• M23: 36,721,939 km (0.082 R)
• M24: 48,440,239 km (0.077 R)
• M25: 49,503,581 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612.7

Radius: 4.5

Gravity: 30.26 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.71 AU - 9.73 AU

Year: 16626 Days

Day: 21.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 76,626,560 km

• M1: 122,670 km (0.087 R)
• M2: 397,182 km (0.093 R)
• M3: 1,104,631 km (0.104 R)
• M4: 1,288,636 km (0.091 R)
• M5: 1,477,578 km (0.112 R)
• M6: 2,556,628 km (0.086 R)
• M7: 2,738,389 km (0.104 R)
• M8: 2,928,827 km (0.071 R)
• M9: 3,309,703 km (0.117 R)
• M10: 4,169,592 km (0.091 R)
• M11: 4,888,260 km (0.101 R)
• M12: 5,168,906 km (0.052 R)
• M13: 5,497,572 km (0.118 R)
• M14: 6,116,010 km (0.117 R)
• M15: 6,359,405 km (0.112 R)
• M16: 7,307,706 km (0.07 R)
• M17: 7,863,014 km (0.079 R)
• M18: 8,747,885 km (0.082 R)
• M19: 9,480,466 km (0.039 R)
• M20: 10,771,645 km (0.093 R)
• M21: 11,985,931 km (0.057 R)
• M22: 13,766,146 km (0.05 R)
• M23: 14,184,421 km (0.087 R)
• M24: 14,755,137 km (0.115 R)
• M25: 15,564,761 km (0.093 R)
• M26: 16,637,527 km (0.063 R)
• M27: 17,352,605 km (0.034 R)
• M28: 17,676,933 km (0.107 R)
• M29: 22,078,701 km (0.118 R)
• M30: 26,298,109 km (0.103 R)
• M31: 28,148,485 km (0.109 R)
• M32: 31,143,734 km (0.11 R)
• M33: 31,382,492 km (0.102 R)
• M34: 32,106,396 km (0.109 R)
• M35: 35,501,669 km (0.073 R)
• M36: 36,551,846 km (0.117 R)
• M37: 38,439,173 km (0.11 R)
• M38: 42,995,176 km (0.118 R)
• M39: 44,037,574 km (0.057 R)
• M40: 50,319,189 km (0.047 R)
• M41: 50,813,011 km (0.069 R)
• M42: 52,990,408 km (0.1 R)
• M43: 63,656,886 km (0.029 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.5

Radius: 4.4

Gravity: 35.3 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.07 AU - 11.81 AU

Year: 20235 Days

Day: 19.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,626,560 km

• M1: 55,800 km (0.107 R)
• M2: 501,302 km (0.09 R)
• M3: 763,847 km (0.059 R)
• M4: 974,331 km (0.093 R)
• M5: 1,735,634 km (0.032 R)
• M6: 1,922,183 km (0.071 R)
• M7: 2,248,755 km (0.07 R)
• M8: 2,493,946 km (0.082 R)
• M9: 6,444,975 km (0.068 R)
• M10: 7,853,439 km (0.111 R)
• M11: 10,574,774 km (0.073 R)
• M12: 11,262,027 km (0.117 R)
• M13: 11,780,234 km (0.03 R)
• M14: 12,450,133 km (0.084 R)
• M15: 13,646,617 km (0.108 R)
• M16: 13,792,176 km (0.11 R)
• M17: 17,692,791 km (0.098 R)
• M18: 17,952,941 km (0.116 R)
• M19: 18,570,182 km (0.118 R)
• M20: 20,506,278 km (0.099 R)
• M21: 21,968,896 km (0.032 R)
• M22: 22,471,545 km (0.112 R)
• M23: 24,025,268 km (0.07 R)
• M24: 29,355,441 km (0.094 R)
• M25: 29,720,160 km (0.095 R)
• M26: 33,667,898 km (0.096 R)
• M27: 44,154,709 km (0.113 R)
• M28: 44,633,572 km (0.063 R)
• M29: 61,051,639 km (0.065 R)
• M30: 64,469,502 km (0.043 R)
• M31: 66,329,452 km (0.116 R)
• M32: 71,244,640 km (0.114 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 12,541 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit