🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.6

Radius: 9.3

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.45 AU - 0.73 AU

Year: 307 Days

Day: 8.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 170 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,312,296 km

• M1: 115,639 km (0.119 R)
• M2: 446,250 km (0.083 R)
• M3: 773,571 km (0.108 R)
• M4: 1,107,623 km (0.093 R)
• M5: 1,464,414 km (0.094 R)
• M6: 1,778,719 km (0.108 R)
• M7: 2,123,691 km (0.106 R)
• M8: 2,596,869 km (0.115 R)
• M9: 3,386,597 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.9

Radius: 14.9

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.5 AU - 0.84 AU

Year: 372 Days

Day: 6.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,312,296 km

• M1: 185,352 km (0.06 R)
• M2: 774,767 km (0.11 R)
• M3: 1,376,300 km (0.055 R)
• M4: 1,860,399 km (0.059 R)
• M5: 3,112,533 km (0.074 R)
• M6: 3,678,761 km (0.052 R)
• M7: 4,164,954 km (0.097 R)
• M8: 5,459,724 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.5

Radius: 8.8

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.71 AU - 1.11 AU

Year: 589 Days

Day: 8.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,312,296 km

• M1: 109,655 km (0.082 R)
• M2: 432,338 km (0.075 R)
• M3: 778,507 km (0.074 R)
• M4: 1,088,624 km (0.047 R)
• M5: 1,544,598 km (0.042 R)
• M6: 1,968,858 km (0.114 R)
• M7: 2,787,607 km (0.109 R)
• M8: 3,121,509 km (0.104 R)
• M9: 3,457,207 km (0.108 R)
• M10: 3,737,852 km (0.059 R)
• M11: 4,330,709 km (0.116 R)
• M12: 5,000,907 km (0.076 R)
• M13: 5,530,484 km (0.114 R)
• M14: 5,826,687 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.2

Radius: 8

Gravity: 11.63 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.5 AU - 2.02 AU

Year: 1584 Days

Day: 9.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,312,296 km

• M1: 99,483 km (0.116 R)
• M2: 403,914 km (0.045 R)
• M3: 778,956 km (0.11 R)
• M4: 1,029,981 km (0.071 R)
• M5: 1,370,316 km (0.084 R)
• M6: 1,836,763 km (0.067 R)
• M7: 2,392,818 km (0.089 R)
• M8: 2,752,152 km (0.12 R)
• M9: 3,101,613 km (0.116 R)
• M10: 3,415,170 km (0.099 R)
• M11: 4,161,663 km (0.108 R)
• M12: 4,465,796 km (0.054 R)
• M13: 5,833,719 km (0.107 R)
• M14: 6,239,727 km (0.086 R)
• M15: 7,768,468 km (0.087 R)
• M16: 8,468,735 km (0.105 R)
• M17: 8,741,901 km (0.085 R)
• M18: 9,083,882 km (0.075 R)
• M19: 10,163,530 km (0.037 R)
• M20: 10,472,300 km (0.083 R)
• M21: 11,363,005 km (0.107 R)
• M22: 12,111,144 km (0.071 R)
• M23: 13,213,232 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.9

Radius: 14.8

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.04 AU - 2.5 AU

Year: 2320 Days

Day: 5.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,312,296 km

• M1: 187,596 km (0.108 R)
• M2: 727,046 km (0.085 R)
• M3: 1,262,008 km (0.067 R)
• M4: 2,534,637 km (0.115 R)
• M5: 3,114,777 km (0.107 R)
• M6: 4,152,388 km (0.116 R)
• M7: 5,252,082 km (0.119 R)
• M8: 5,902,683 km (0.105 R)
• M9: 6,493,146 km (0.092 R)
• M10: 7,465,233 km (0.116 R)
• M11: 8,130,644 km (0.111 R)
• M12: 10,090,227 km (0.112 R)
• M13: 10,904,937 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246

Radius: 10.2

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.45 AU - 5.35 AU

Year: 7357 Days

Day: 12.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,312,296 km

• M1: 130,749 km (0.054 R)
• M2: 538,253 km (0.061 R)
• M3: 903,272 km (0.072 R)
• M4: 1,549,684 km (0.078 R)
• M5: 2,159,894 km (0.072 R)
• M6: 2,747,514 km (0.096 R)
• M7: 3,771,662 km (0.112 R)
• M8: 4,454,875 km (0.102 R)
• M9: 6,156,700 km (0.118 R)
• M10: 9,166,909 km (0.102 R)
• M11: 9,485,552 km (0.116 R)
• M12: 10,400,044 km (0.099 R)
• M13: 11,326,653 km (0.11 R)
• M14: 11,693,916 km (0.106 R)
• M15: 12,452,078 km (0.115 R)
• M16: 13,547,882 km (0.083 R)
• M17: 14,119,197 km (0.081 R)
• M18: 16,508,424 km (0.052 R)
• M19: 17,280,798 km (0.114 R)
• M20: 23,599,662 km (0.088 R)
• M21: 23,973,508 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969.7

Radius: 5.9

Gravity: 27.86 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.43 AU - 8.61 AU

Year: 13987 Days

Day: 16.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 67,312,296 km

• M1: 73,453 km (0.12 R)
• M2: 295,755 km (0.093 R)
• M3: 527,332 km (0.103 R)
• M4: 723,156 km (0.039 R)
• M5: 1,175,241 km (0.095 R)
• M6: 1,396,795 km (0.089 R)
• M7: 1,646,325 km (0.068 R)
• M8: 2,037,972 km (0.11 R)
• M9: 2,810,495 km (0.108 R)
• M10: 4,248,879 km (0.092 R)
• M11: 5,723,315 km (0.071 R)
• M12: 7,791,805 km (0.027 R)
• M13: 8,032,508 km (0.045 R)
• M14: 8,528,724 km (0.068 R)
• M15: 10,427,570 km (0.106 R)
• M16: 10,720,034 km (0.1 R)
• M17: 14,308,438 km (0.09 R)
• M18: 20,387,048 km (0.113 R)
• M19: 20,660,663 km (0.05 R)
• M20: 21,970,392 km (0.119 R)
• M21: 24,138,963 km (0.078 R)
• M22: 26,771,586 km (0.067 R)
• M23: 27,764,467 km (0.11 R)
• M24: 28,781,583 km (0.094 R)
• M25: 29,357,236 km (0.076 R)
• M26: 31,736,889 km (0.104 R)
• M27: 38,658,783 km (0.098 R)
• M28: 39,784,058 km (0.106 R)
• M29: 41,366,504 km (0.112 R)
• M30: 47,474,735 km (0.097 R)
• M31: 54,682,510 km (0.047 R)
• M32: 55,211,039 km (0.099 R)
• M33: 57,177,952 km (0.103 R)
• M34: 59,562,093 km (0.101 R)
• M35: 61,061,662 km (0.11 R)
• M36: 62,394,430 km (0.114 R)
• M37: 62,586,364 km (0.096 R)
• M38: 65,513,096 km (0.08 R)
• M39: 66,109,244 km (0.094 R)
• M40: 66,508,670 km (0.107 R)
• M41: 66,909,742 km (0.112 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 18,472 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit